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    1. eBay
    2. Business & Industrial
    3. Hydraulics, Pneumatics, Pumps & Plumbing
    4. Fittings & Adapters
    5. Pipe & Hose Fittings
    6. Threaded Fittings
    7. Threaded Fittings 3/8 in End A Diameter 3/8 in End B Diameter
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    Threaded Fittings 3/8 in End A Diameter 3/8 in End B Diameter

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    Shop by Category

    • Pipe & Hose Fittings
    • Threaded Fittings
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    • Brand

      • Swagelok
      • Parker
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    • Material

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    • End A Diameter

      • 3/8 inFilter Applied
    • End B Diameter

      • 3/8 inFilter Applied
    • End A-to-End B

    • End A-to-End B Gender

    • End C (for Tees)

    • End C Diameter (for Tees)

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    • Time: ending soonest
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    List View

    1-48 of 185 Results

    • 3/8 Npt Male Female Street Tee T Forged Brass Pipe Fitting Fuel Air Oil Gauge

      3/8 Npt Male Female Street Tee T Forged Brass Pipe Fitting Fuel Air Oil Gauge

      C $13.46
      C $14.90 shipping
      140 sold
    • Lot of 6 Swagelok Stainless Steel Fitting, 3/8" OD Tube x 1/4" MNPT, SS-600-3TMT

      Lot of 6 Swagelok Stainless Steel Fitting, 3/8" OD Tube x 1/4" MNPT, SS-600-3TMT

      C $99.99
    • 3/8" 150# FNPT Full Coupling 304 Stainless Pipe Fitting Coupler <SS050341304

      3/8" 150# FNPT Full Coupling 304 Stainless Pipe Fitting Coupler <SS050341304

      C $9.59
      C $18.18 shipping
      412 sold
    • 3/8 Male Branch Tee Stainless Steel 3/8 Male Pipe X 3/8 Fem Pipe

      3/8 Male Branch Tee Stainless Steel 3/8 Male Pipe X 3/8 Fem Pipe

      C $15.30
      C $30.58 shipping
    • 3/8" NPT x 1.5" Length Steel Bulkhead Terminal Bolt Air Brake FasParts

      3/8" NPT x 1.5" Length Steel Bulkhead Terminal Bolt Air Brake FasParts

      C $14.48
      C $14.90 shipping
    • Steel 45 Degree Elbow 3/8" Female Npt Fitting Fuel Air Oil Fluid Vacuum FasParts

      Steel 45 Degree Elbow 3/8" Female Npt Fitting Fuel Air Oil Fluid Vacuum FasParts

      C $12.48
      C $14.90 shipping
    • Forged Street Elbow 3/8 Npt Male Female Pipe L Fitting Fuel Air Water Oil

      Forged Street Elbow 3/8 Npt Male Female Pipe L Fitting Fuel Air Water Oil

      C $9.40
      C $14.90 shipping
    • 1/2" NPT Male x 3/4" NPT Female Brass Hex Bushing - FB809

      1/2" NPT Male x 3/4" NPT Female Brass Hex Bushing - FB809

      C $10.28
      C $19.59 shipping
      115 sold
    • Solid Brass Street Pipe Tee 3/8 Inch Male Two 3/8 Female NPT Air Fuel Water

      Solid Brass Street Pipe Tee 3/8 Inch Male Two 3/8 Female NPT Air Fuel Water

      C $10.46
      C $19.59 shipping
      79 sold
    • Steel Street Elbow Fitting 3/8 Female Npt x 3/8 Npt Male Water Oil Fuel Liquid

      Steel Street Elbow Fitting 3/8 Female Npt x 3/8 Npt Male Water Oil Fuel Liquid

      C $11.43
      C $14.90 shipping
      80 sold
    • 3/8 Male Npt Brass Slotted Flathead Pipe Plug Fitting Water Oil Gas Fuel

      3/8 Male Npt Brass Slotted Flathead Pipe Plug Fitting Water Oil Gas Fuel

      C $8.15
      C $14.90 shipping
    • 3/8" Male BSP 90 Degree ELBOW Brass Fuel, Air, Water, Oil, Gas British Metric

      3/8" Male BSP 90 Degree ELBOW Brass Fuel, Air, Water, Oil, Gas British Metric

      C $14.92
      C $14.90 shipping
      Only 2 left
    • 304 Stainless Steel Hex Nipple, Male x Male NPT Thread, 3/8" Pipe Fitting

      304 Stainless Steel Hex Nipple, Male x Male NPT Thread, 3/8" Pipe Fitting

      C $3.90
      Free shipping
    • 3/8" (9/16") Male JIC 37° Flare X 3/8" (9/16") #4 Male SAE/ORB <6400-06-06

      3/8" (9/16") Male JIC 37° Flare X 3/8" (9/16") #4 Male SAE/ORB <6400-06-06

      C $7.76
      C $17.40 shipping
    • 3/8 Male to Female Npt Pipe Adapter Coupling Brass Fitting Air Fuel Gas Water

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

      C $8.08
      C $14.90 shipping
      80 sold
    • 3/8" 150 Threaded (NPT) Hex Union 304 Stainless Steel, Pipe Fitting <SS040341304

      3/8" 150 Threaded (NPT) Hex Union 304 Stainless Steel, Pipe Fitting <SS040341304

      C $15.26
      C $17.40 shipping
    • Stainless Steel 304 Fitting 3/8" Inch Half Coupling Class 150 Heavy Duty

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

      C $3.56
      C $23.88 shipping
    • 3/8" X 1-1/2" 316 Stainless Steel Pipe Nipple 6 Pieces

      3/8" X 1-1/2" 316 Stainless Steel Pipe Nipple 6 Pieces

      C $27.78
      C $26.67 shipping
    • Steel 3/8 Npt Female to Male Reverse Branch Tee Pipe Fitting Fuel Air Oil Gas

      Steel 3/8 Npt Female to Male Reverse Branch Tee Pipe Fitting Fuel Air Oil Gas

      C $23.26
      C $14.90 shipping
    • Steel Pipe Adapter Fitting 3/8 Female Npt x 3/8 Npt Male Water Oil Fuel Liquid

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

      C $8.78
      C $14.90 shipping
    • 316 Stainless Steel Elbow 90 Degree, FemalexFemale NPT Thread, 3/8" Pipe Fitting

      316 Stainless Steel Elbow 90 Degree, FemalexFemale NPT Thread, 3/8" Pipe Fitting

      C $5.86
      Free shipping
    • 3/8 Npt Female Straight Coupling Brass Pipe Fitting Air Water Oil Gas Fuel

      3/8 Npt Female Straight Coupling Brass Pipe Fitting Air Water Oil Gas Fuel

      C $8.33
      C $14.90 shipping
      100 sold
    • Swagelok B-600-3 Brass Tube Union Tee Fitting, 3/8" OD

      Swagelok B-600-3 Brass Tube Union Tee Fitting, 3/8" OD

      C $11.22
      Was: C $12.75
      or Best Offer
    • 3/8" Npt Pipe Tee Fitting Swagelok Cajon SS-6-BT

      3/8" Npt Pipe Tee Fitting Swagelok Cajon SS-6-BT

      C $28.58
      Was: C $35.73
    • 6400-06-06-O Straight Adapter Fitting, 3/8" Male JIC x 3/8" Male O-Ring Boss

      6400-06-06-O Straight Adapter Fitting, 3/8" Male JIC x 3/8" Male O-Ring Boss

      C $2.53
      29 sold
    • 3/8 Npt Female 3 Piece Union Coupling Brass Pipe Fitting Air Water Oil Gas Fuel

      3/8 Npt Female 3 Piece Union Coupling Brass Pipe Fitting Air Water Oil Gas Fuel

      C $17.43
      C $14.90 shipping
    • Banjo Bulkhead Tank Fitting Large Pipe Size 316 Stainless

      Banjo Bulkhead Tank Fitting Large Pipe Size 316 Stainless

      C $191.39
      C $43.19 shipping
      or Best Offer
    • 3/8" NPT 316ss Male Pipe Fitting TEE Tylok B-6-3MMM-6

      3/8" NPT 316ss Male Pipe Fitting TEE Tylok B-6-3MMM-6

      C $24.50
      Was: C $30.62
    • Swagelok 3/8" Male NPT x 3/8" Female NPT 90° Street Elbow 316 Stainless <SS-6-SE

      Swagelok 3/8" Male NPT x 3/8" Female NPT 90° Street Elbow 316 Stainless <SS-6-SE

      C $29.22
      C $17.40 shipping
    • 3/8" Male Npt Mpt Steel Male Elbow L 90 Degree Fitting Fuel, Air, Oil, Gas

      3/8" Male Npt Mpt Steel Male Elbow L 90 Degree Fitting Fuel, Air, Oil, Gas

      C $12.36
      C $14.90 shipping
      or Best Offer
    • 3/8 Npt Male Tee T 3 Way Equal Pipe Brass Fitting Fuel Vacuum Air Water Oil Gas

      3/8 Npt Male Tee T 3 Way Equal Pipe Brass Fitting Fuel Vacuum Air Water Oil Gas

      C $14.86
      C $14.90 shipping
    • 3/8 Npt Male Close Nipple Brass Pipe Fitting Air Fuel Oil Gas Water FasParts

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

      C $6.79
      C $14.90 shipping
    • Steel 3/8" Male Npt Countersunk Hex Allen Key Pipe Plug Mip Mpt Water Oil Gas

      Steel 3/8" Male Npt Countersunk Hex Allen Key Pipe Plug Mip Mpt Water Oil Gas

      C $6.35
      C $14.90 shipping
    • Steel Hex Nipple 3/8 Npt Male Mip Mpt Pipe Fitting Fuel Oil Gas Liquid Air WOG

      Steel Hex Nipple 3/8 Npt Male Mip Mpt Pipe Fitting Fuel Oil Gas Liquid Air WOG

      C $9.49
      C $14.90 shipping
    • Steel Street Tee Fitting 3/8" NPT Male Female Fuel Air Oil Splitter FasParts

      Steel Street Tee Fitting 3/8" NPT Male Female Fuel Air Oil Splitter FasParts

      C $14.74
      C $14.90 shipping
      71 sold
    • 3/8" X 3" 316 Stainless Steel Pipe Nipple 5 Pieces

      3/8" X 3" 316 Stainless Steel Pipe Nipple 5 Pieces

      C $42.26
      C $21.91 shipping
    • Swagelok SS-6-E  3/8  elbow , stainless steel

      Swagelok SS-6-E 3/8 elbow , stainless steel

      C $12.75
      C $22.19 shipping
    • Steel 3/8 Npt Male to Female Branch Tee Pipe Fitting Fuel Air Oil Gas FasParts

      Steel 3/8 Npt Male to Female Branch Tee Pipe Fitting Fuel Air Oil Gas FasParts

      C $14.75
      C $14.90 shipping
    • 3/8 x 1/4 NPT Female Pipe Tee Brass Fittings Fuel Air Water Oil Gas FasParts

      3/8 x 1/4 NPT Female Pipe Tee Brass Fittings Fuel Air Water Oil Gas FasParts

      C $16.32
      C $14.90 shipping
    • Steel Square Head 3/8" Male Npt Pipe Plug Bung Fitting Mip Mpt Fuel, Oil, Gas

      Steel Square Head 3/8" Male Npt Pipe Plug Bung Fitting Mip Mpt Fuel, Oil, Gas

      C $6.69
      C $14.90 shipping
    • Parker 6-6 FTX-B Brass Fitting Adapter 3/8" Tube x 3/8" NPT LOT OF 2

      Parker 6-6 FTX-B Brass Fitting Adapter 3/8" Tube x 3/8" NPT LOT OF 2

      C $11.22
      Was: C $12.75
    • Steel 45 Degree Elbow 3/8" Npt Male to Female Fitting Fuel Air Oil Liquid Water

      Steel 45 Degree Elbow 3/8" Npt Male to Female Fitting Fuel Air Oil Liquid Water

      C $12.06
      C $14.90 shipping
    • Hex Nipple Brass 3/8 Male Npt Pipe Fitting Equal Air Fuel Oil Gas Water FasParts

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

      C $8.06
      C $14.90 shipping
    • Pipe Coupling 3/8" Female BSP Brass Fitting British Thread Joiner Adapter

      Pipe Coupling 3/8" Female BSP Brass Fitting British Thread Joiner Adapter

      C $10.90
      C $14.90 shipping
    • 3/8" 150 Threaded (NPT) 90° Street Elbow 304 Stainless Steel <SS100341304

      3/8" 150 Threaded (NPT) 90° Street Elbow 304 Stainless Steel <SS100341304

      C $9.90
      C $17.40 shipping
      65 sold
    • Elbow 3/8" Male NPT (M) MPT Brass Fitting Fuel, Air, Water, Oil, Gas Pipe

      Elbow 3/8" Male NPT (M) MPT Brass Fitting Fuel, Air, Water, Oil, Gas Pipe

      C $12.25
      C $14.90 shipping
    • Steel 45 Degree Elbow 3/8 Male Npt Fitting Fuel Air Oil Fluid Vacuum FasParts

      Steel 45 Degree Elbow 3/8 Male Npt Fitting Fuel Air Oil Fluid Vacuum FasParts

      C $11.46
      C $14.90 shipping
    • Hex Bushing Stainless Steel 304 3/8" x 1/8" NPT Guardian

      Hex Bushing Stainless Steel 304 3/8" x 1/8" NPT Guardian

      C $4.33
      C $34.79 shipping

    Results Pagination - Page 1

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