NPT-to-NPT Straight Coupling 3/8 in End B Diameter Threaded Fittings

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Pipe & Hose Fittings

55 Results

3/8" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler SS050341304
Brand New
PHP 497.59
PHP 1,074.69 shipping
580 sold
Stainless Steel 304 Fitting Reducing Coupling Class 150 1" X 3/8"...
Brand New
PHP 455.34
PHP 1,863.61 shipping
3/8" 3000 (3M) Female (NPT) Full Coupling 304 Stainless Steel SS050321304
Brand New
PHP 585.99
PHP 1,076.91 shipping
50 sold
Stainless Steel 304 Fitting Reducing Coupling Class 150 1/2" X 3/8"...
Brand New
PHP 338.59
PHP 1,749.08 shipping
3/8 Male to Female Npt Pipe Adapter Coupling Brass Fitting Air Fuel Gas Water
Brand New · Unbranded
PHP 482.58
PHP 649.37 shipping
220 sold
Qty (10) Parker 222P-6-4 Brass Reducing Adapter 3/8” FNPT To 1/4” MNPT, USA
New (Other) · Parker
PHP 1,665.13
PHP 1,577.29 shipping
Steel 3/4 Female Npt x 3/8 Npt Male Pipe Reducer Adapter Fitting Water Oil Fuel
Brand New · Unbranded
PHP 914.57
PHP 649.37 shipping
Reducer Pipe Adapter 1/2 Female Npt to 3/8 Male Npt Brass Fitting Water Air Gas
Brand New · Unbranded
PHP 605.45
PHP 649.37 shipping
136 watching
Female Pipe Reducer 1/2" to 3/8" Npt Adapter Coupler Brass Fitting Water Oil Gas
Brand New · Unbranded
PHP 747.22
PHP 649.37 shipping
Steel Pipe Adapter Fitting 3/8 Female Npt x 3/8 Npt Male Water Oil Fuel Liquid
Brand New · Unbranded
PHP 504.26
PHP 649.37 shipping
10 Piece Package SWAGELOK Equivalent to SS-6-HRCG-4, 1/4" FNPT x 3/8" FNPT
Brand New
PHP 7,227.61
or Best Offer
PHP 1,696.82 shipping
(10 Pack) 3/8" NPT 316 Stainless Steel Pipe Thread Class 3000 3M Full Coupling
Brand New
PHP 3,780.60
PHP 1,639.56 shipping
Female Pipe Reducer 3/4" to 3/8" Npt Adapter Coupler Brass Fitting Water Oil Gas
Brand New · Unbranded
PHP 808.94
PHP 649.37 shipping
71 sold
3/8" 3000 (3M) Threaded (NPT) Full Coupling A105 Forged Steel FS050321
Brand New · Unbranded
PHP 521.50
PHP 1,075.25 shipping
33250-06-06 3/8" Brass Female Pipe Union NPT
New (Other) · Unbranded
PHP 750.56
PHP 1,506.12 shipping
Only 1 left!
Qty(20) Plumbing coupling fitting 1/8"NPT Female x 1/8"NPT Female. NPT-t-NPT
Brand New
PHP 2,723.14
PHP 1,563.94 shipping
3/8 Npt Female Pipe Coupling Brass Fitting Air Water Oil Gas Fuel 103-C
Brand New · Unbranded
PHP 518.16
PHP 649.37 shipping
161 sold
Steel 1/4 Female Npt x 3/8 Npt Male Pipe Reducer Adapter Fitting Water Oil Fuel
Brand New · Unbranded
PHP 724.43
PHP 649.37 shipping
Steel 3/8" Female Npt Fpt Fip Thread Pipe Fitting Straight Coupling Joiner WOG
Brand New · Unbranded
PHP 484.25
PHP 649.37 shipping
3/8 Npt Male Close Nipple Brass Pipe Fitting Air Fuel Oil Gas Water FasParts
Brand New · Unbranded
PHP 411.97
PHP 649.37 shipping
3/8 Npt Female 3 Piece Union Coupling Brass Pipe Fitting Air Water Oil Gas 104-C
Brand New · Unbranded
PHP 931.25
PHP 649.37 shipping
62 sold
1/2” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 10* Unused Surplus
New (Other) · Unbranded
PHP 3,305.80
or Best Offer
PHP 2,228.88 shipping
Steel 3/8" Npt Male Close Nipple Pipe Fitting Mpt Mip Fuel Oil Gas Liquid
Brand New · Unbranded
PHP 564.87
PHP 649.37 shipping
(10 Pack) 3/8" NPT 304 Stainless Steel Pipe Thread Class 3000 3M Full Coupling
Brand New
PHP 3,224.63
PHP 1,622.88 shipping
(10 Pack) 3/8" x 3/8" Merchant Coupling Carbon Steel Pipe Thread Fitting
Brand New
PHP 2,221.10
PHP 1,549.49 shipping
Steel 1/2 - 3/8 Female Npt Fpt Pipe Fitting Straight Coupling Reducer Adapter
Brand New · Unbranded
PHP 536.51
PHP 649.37 shipping
Only 3 left
(10 Pack) 3/8" x 3/8" NPT Thread Coupling Galvanized Malleable Iron 150 Fitting
Brand New
PHP 2,221.10
PHP 1,549.49 shipping
2-Pk Brass Fitting 3/8 Flare Male x 3/8 Flare FIP Thread Tube Adapter
New (Other) · Unbranded
PHP 831.18
or Best Offer
PHP 1,508.35 shipping
ASP 304 Stainless Steel Pipe Union Class 1M Female 3/8" NPT to Female 3/8" NPT
New (Other)
PHP 833.96
PHP 1,508.35 shipping
THREADED STEEL CLOSE NIPPLE 3/8" NPT 1" LONG LOT OF 3 NNB
New (Other) · Unbranded
PHP 665.50
or Best Offer
PHP 1,503.34 shipping
3/4” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 14* Unused Surplus
New (Other) · Unbranded
PHP 4,250.95
or Best Offer
PHP 3,467.03 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 3/4" X 3/8" Female NPT
Brand New
PHP 383.62
PHP 1,750.19 shipping
3/8" Threaded Union 304 Stainless Steel
Brand New · Unbranded
PHP 353.04
PHP 2,593.04 shipping
Stainless Steel 316 Fitting 3/8" Inch Full Coupling Class 150 Heavy Duty
Brand New
PHP 327.47
PHP 1,754.09 shipping
STRAIGHT BRASS FITTING (3/8” NPTF, .455" ID, .670” DIA., 1.04” LG.) X111H
New (Other) · Unbranded
PHP 499.82
or Best Offer
PHP 1,776.88 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 2" X 3/8" Female NPT
Brand New
PHP 1,050.78
PHP 2,009.83 shipping
FITOK 316 SS Hex Coupling 3/8'' Female NPT, 5300 psi, SS-PCG-NS6
Brand New
PHP 811.16
PHP 1,507.79 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 1-1/2" X 3/8" Female NPT
Brand New
PHP 661.60
PHP 1,945.34 shipping
Stainless Steel 304 Fitting 3/8" Inch Full Coupling Class 150 Heavy Duty
Brand New
PHP 299.67
PHP 1,747.97 shipping
1/4 FNPT x 3/8 FNPT 316ss Hex Reducing Coupling Cajon Swagelok SS-6-HRCG-4
Brand New · Swagelok
PHP 1,223.13
PHP 1,317.09 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 1-1/4" X 3/8“ Female NPT
Brand New
PHP 550.41
PHP 1,942.00 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 2" X 3/8" NPT
Brand New
PHP 1,217.57
PHP 2,014.84 shipping
LOT OF 4 Full Coupling 3/8"NPT female 304 Stainless Steel Coupler 3/8 in. FNPT
Brand New
PHP 667.16
PHP 1,333.77 shipping
3/4" to 3/8” Female NPT Threaded Reducer Reducing Coupling Stainless Socket
New (Other) · Unbranded
PHP 264.09
PHP 1,833.59 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 3/4" X 3/8" NPT
Brand New
PHP 399.74
PHP 1,750.75 shipping
3/8" Galvanized Coupler NPT
Brand New
PHP 180.13
PHP 1,286.51 shipping
FITOK 316 SS Hex Reducing Coupling 1/2'' × 3/8'' FNPT, 4900 psi, SS-PCG-NS8-NS6
Brand New
PHP 974.06
PHP 1,512.79 shipping
Banjo Threaded Polypropylene Pipe Coupling, 3/8" NPT Female - CPLG038
Brand New
PHP 499.82
PHP 1,074.69 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 1-1/2" X 3/8" NPT
Brand New
PHP 772.80
PHP 1,945.90 shipping
3/8" FPT x 1/4" MPT Reducing Adapter, Parker 222P-6-4 - Lot of 5, New
Brand New · Parker
PHP 667.16
or Best Offer
PHP 2,003.72 shipping
l 1/2 - 3/8 Female Npt Fpt Pipe Fitting Straight Coupling Reducer Adapter
Brand New · Unbranded
PHP 514.27
PHP 2,015.95 shipping
1/2 FPT x 3/8 FPT, Heavy Duty Brass Reducing Coupling - New
Brand New · Swagelok
PHP 389.18
or Best Offer
PHP 1,421.62 shipping
Reducer Pipe Adapter 1/2 Female Npt to 3/8 Male Npt Brass Fitting Water Air Gas
Brand New · Unbranded
PHP 833.96
or Best Offer
PHP 1,437.18 shipping
EVERBILT LFA-177 3/8 in. Threaded Flare x 1/2 FIP Brass Adapter Coupling Fitting
Brand New
PHP 553.19
PHP 1,500.01 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 1-1/4" X 3/8" NPT
Brand New
PHP 606.01
PHP 1,940.89 shipping

NPT-to-NPT Straight Coupling 3/8 in End B Diameter Threaded Fittings

Shop by Category

55 Results

3/8" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler SS050341304

Stainless Steel 304 Fitting Reducing Coupling Class 150 1" X 3/8"...

3/8" 3000 (3M) Female (NPT) Full Coupling 304 Stainless Steel SS050321304

Stainless Steel 304 Fitting Reducing Coupling Class 150 1/2" X 3/8"...

3/8 Male to Female Npt Pipe Adapter Coupling Brass Fitting Air Fuel Gas Water

Qty (10) Parker 222P-6-4 Brass Reducing Adapter 3/8” FNPT To 1/4” MNPT, USA

Steel 3/4 Female Npt x 3/8 Npt Male Pipe Reducer Adapter Fitting Water Oil Fuel

Reducer Pipe Adapter 1/2 Female Npt to 3/8 Male Npt Brass Fitting Water Air Gas

Female Pipe Reducer 1/2" to 3/8" Npt Adapter Coupler Brass Fitting Water Oil Gas

Steel Pipe Adapter Fitting 3/8 Female Npt x 3/8 Npt Male Water Oil Fuel Liquid

10 Piece Package SWAGELOK Equivalent to SS-6-HRCG-4, 1/4" FNPT x 3/8" FNPT

(10 Pack) 3/8" NPT 316 Stainless Steel Pipe Thread Class 3000 3M Full Coupling

Female Pipe Reducer 3/4" to 3/8" Npt Adapter Coupler Brass Fitting Water Oil Gas

3/8" 3000 (3M) Threaded (NPT) Full Coupling A105 Forged Steel FS050321

33250-06-06 3/8" Brass Female Pipe Union NPT

Qty(20) Plumbing coupling fitting 1/8"NPT Female x 1/8"NPT Female. NPT-t-NPT

3/8 Npt Female Pipe Coupling Brass Fitting Air Water Oil Gas Fuel 103-C

Steel 1/4 Female Npt x 3/8 Npt Male Pipe Reducer Adapter Fitting Water Oil Fuel

Steel 3/8" Female Npt Fpt Fip Thread Pipe Fitting Straight Coupling Joiner WOG

3/8 Npt Male Close Nipple Brass Pipe Fitting Air Fuel Oil Gas Water FasParts

3/8 Npt Female 3 Piece Union Coupling Brass Pipe Fitting Air Water Oil Gas 104-C

1/2” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 10* Unused Surplus

Steel 3/8" Npt Male Close Nipple Pipe Fitting Mpt Mip Fuel Oil Gas Liquid

(10 Pack) 3/8" NPT 304 Stainless Steel Pipe Thread Class 3000 3M Full Coupling

(10 Pack) 3/8" x 3/8" Merchant Coupling Carbon Steel Pipe Thread Fitting

Steel 1/2 - 3/8 Female Npt Fpt Pipe Fitting Straight Coupling Reducer Adapter

(10 Pack) 3/8" x 3/8" NPT Thread Coupling Galvanized Malleable Iron 150 Fitting

2-Pk Brass Fitting 3/8 Flare Male x 3/8 Flare FIP Thread Tube Adapter

ASP 304 Stainless Steel Pipe Union Class 1M Female 3/8" NPT to Female 3/8" NPT

THREADED STEEL CLOSE NIPPLE 3/8" NPT 1" LONG LOT OF 3 NNB

3/4” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 14* Unused Surplus

Stainless Steel 304 Fitting Reducing Coupling Class 150 3/4" X 3/8" Female NPT

3/8" Threaded Union 304 Stainless Steel

Stainless Steel 316 Fitting 3/8" Inch Full Coupling Class 150 Heavy Duty

STRAIGHT BRASS FITTING (3/8” NPTF, .455" ID, .670” DIA., 1.04” LG.) X111H

Stainless Steel 304 Fitting Reducing Coupling Class 150 2" X 3/8" Female NPT

FITOK 316 SS Hex Coupling 3/8'' Female NPT, 5300 psi, SS-PCG-NS6

Stainless Steel 304 Fitting Reducing Coupling Class 150 1-1/2" X 3/8" Female NPT

Stainless Steel 304 Fitting 3/8" Inch Full Coupling Class 150 Heavy Duty

1/4 FNPT x 3/8 FNPT 316ss Hex Reducing Coupling Cajon Swagelok SS-6-HRCG-4

Stainless Steel 304 Fitting Reducing Coupling Class 150 1-1/4" X 3/8“ Female NPT

Stainless Steel 316 Fitting Reducing Coupling Class 150 2" X 3/8" NPT

LOT OF 4 Full Coupling 3/8"NPT female 304 Stainless Steel Coupler 3/8 in. FNPT

3/4" to 3/8” Female NPT Threaded Reducer Reducing Coupling Stainless Socket

Stainless Steel 316 Fitting Reducing Coupling Class 150 3/4" X 3/8" NPT

3/8" Galvanized Coupler NPT

FITOK 316 SS Hex Reducing Coupling 1/2'' × 3/8'' FNPT, 4900 psi, SS-PCG-NS8-NS6

Banjo Threaded Polypropylene Pipe Coupling, 3/8" NPT Female - CPLG038

Stainless Steel 316 Fitting Reducing Coupling Class 150 1-1/2" X 3/8" NPT

3/8" FPT x 1/4" MPT Reducing Adapter, Parker 222P-6-4 - Lot of 5, New

l 1/2 - 3/8 Female Npt Fpt Pipe Fitting Straight Coupling Reducer Adapter

1/2 FPT x 3/8 FPT, Heavy Duty Brass Reducing Coupling - New

Reducer Pipe Adapter 1/2 Female Npt to 3/8 Male Npt Brass Fitting Water Air Gas

EVERBILT LFA-177 3/8 in. Threaded Flare x 1/2 FIP Brass Adapter Coupling Fitting

Stainless Steel 316 Fitting Reducing Coupling Class 150 1-1/4" X 3/8" NPT

1/2” X 3/8” NPT Female Coupling 304 Stainless Coupler Lot Of 10 Unused Surplus

3/4” X 3/8” NPT Female Coupling 304 Stainless Coupler Lot Of 14 Unused Surplus