Brass fittings Union Fitting type

At Blackhawk Supply, we've curated an unmatched collection of over 520 precision-engineered brass fittings from industry titans Midland Metal Mfg. and Anderson Metals. Browse our numerous brass fitting options below!

All Types

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Brass Bushings

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Brass Nipples

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Brass Couplings

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Brass Elbows

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Brass Connectors

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Brass Tees

Image for Brass Unions

Brass Unions

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Brass Adapters

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Brass Compression Fittings

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Compression Fittings

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Brass Valves

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Brass Flare Fittings

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Brass Plugs

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Brass Caps

Image for Brass Union

Brass Union

Image for Brass Sleeves

Brass Sleeves

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Brass Inserts

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Brass Nuts

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Brass Swivel Fittings

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Brass Hose Fittings

Image for Brass Barbed Fittings

Brass Barbed Fittings

Image for Brass Hose Barb Fittings

Brass Hose Barb Fittings

Image for Flare Fittings

Flare Fittings

Image for SAE 45 Deg Flare

SAE 45 Deg Flare

Image for Lead Free Brass Fittings

Lead Free Brass Fittings

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Brass Push-In Fittings

Image for Stainless Steel Hose Barbs

Stainless Steel Hose Barbs

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Midland Metal Mfg. 621000 5/8 D.O.T. PUSH-IN UNION, Brass Fittings, D.O.T. Push In, Union | Blackhawk Supply

621000 | 5 / 8 D.O.T. PUSH-IN UNION, Brass Fittings, D.O.T. Push In, Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 621000

Midland Metal Mfg. 20601N 6MM UNION N-PLTD, Brass Fittings, Nickel Plated Push In Fittings, METRIC UNION | Blackhawk Supply

20601N | 6MM UNION N-PLTD, Brass Fittings, Nickel Plated Push In Fittings, METRIC UNION | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 20601N

Midland Metal Mfg. 18083 5/8 X 1/2 REDUCING COMP UNION, Brass Fittings, Compression, Reducing Union | Blackhawk Supply

18083 | 5 / 8 X 1 / 2 REDUCING COMP UNION, Brass Fittings, Compression, Reducing Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 18083

Midland Metal Mfg. 12027 1/2 FEMALE INVERTED FLARE UNION, Brass Fittings, Brake Lines, Union Internal | Blackhawk Supply

12027 | 1 / 2 FEMALE INVERTED FLARE UNION, Brass Fittings, Brake Lines, Union Internal | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 12027

Midland Metal Mfg. 821000 5/8 D.O.T. P-IN BULKHEAD UNION, Brass Fittings, D.O.T. Push In, Bulkhead Union | Blackhawk Supply

821000 | 5 / 8 D.O.T. P-IN BULKHEAD UNION, Brass Fittings, D.O.T. Push In, Bulkhead Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 821000

Midland Metal Mfg. 621200 3/4 D.O.T. PUSH-IN UNION, Brass Fittings, D.O.T. Push In, Union | Blackhawk Supply

621200 | 3 / 4 D.O.T. PUSH-IN UNION, Brass Fittings, D.O.T. Push In, Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 621200

Midland Metal Mfg. 20727N 8MM P-I UNION CONNECTOR N-PLTD, Brass Fittings, Nickel Plated Push In Fittings, METRIC UNION | Blackhawk Supply

20727N | 8MM P-I UNION CONNECTOR N-PLTD, Brass Fittings, Nickel Plated Push In Fittings, METRIC UNION | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 20727N

Midland Metal Mfg. 18071 7/8 COMPRESSION UNION, Brass Fittings, Compression, Union | Blackhawk Supply

18071 | 7 / 8 COMPRESSION UNION, Brass Fittings, Compression, Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 18071

Midland Metal Mfg. 18062 1/8 COMPRESSION UNION, Brass Fittings, Compression, Union | Blackhawk Supply

18062 | 1 / 8 COMPRESSION UNION, Brass Fittings, Compression, Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 18062

Midland Metal Mfg. 18079 3/8 X 1/4 REDUCING COMP UNION, Brass Fittings, Compression, Reducing Union | Blackhawk Supply

18079 | 3 / 8 X 1 / 4 REDUCING COMP UNION, Brass Fittings, Compression, Reducing Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 18079

Midland Metal Mfg. 18081 1/2 X 3/8 REDUCING COMP UNION, Brass Fittings, Compression, Reducing Union | Blackhawk Supply

18081 | 1 / 2 X 3 / 8 REDUCING COMP UNION, Brass Fittings, Compression, Reducing Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 18081

Midland Metal Mfg. 18070 3/4 COMPRESSION UNION, Brass Fittings, Compression, Union | Blackhawk Supply

18070 | 3 / 4 COMPRESSION UNION, Brass Fittings, Compression, Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 18070

Midland Metal Mfg. 12022 1/8 FEMALE INVERTED FLARE UNION, Brass Fittings, Brake Lines, Union Internal | Blackhawk Supply

12022 | 1 / 8 FEMALE INVERTED FLARE UNION, Brass Fittings, Brake Lines, Union Internal | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 12022

Midland Metal Mfg. 10104 1/8 MALE FLARE UNION, Brass Fittings, SAE 45 Deg Flare, Flare Union | Blackhawk Supply

10104 | 1 / 8 MALE FLARE UNION, Brass Fittings, SAE 45 Deg Flare, Flare Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 10104

Midland Metal Mfg. 20019C 1/4 PUSH-IN UNION, Brass Fittings, Composite Body Push In Fittings, Union | Blackhawk Supply

20019C | 1 / 4 PUSH-IN UNION, Brass Fittings, Composite Body Push In Fittings, Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 20019C

Midland Metal Mfg. 620532 5/32 D.O.T. PUSH-IN UNION, Brass Fittings, D.O.T. Push In, Union | Blackhawk Supply

620532 | 5 / 32 D.O.T. PUSH-IN UNION, Brass Fittings, D.O.T. Push In, Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 620532

Midland Metal Mfg. 38319 1/2 AIR BRAKE UNION, Brass Fittings, D.O.T. Air Brake Hoses/Ends, Union | Blackhawk Supply

38319 | 1 / 2 AIR BRAKE UNION, Brass Fittings, D.O.T. Air Brake Hoses / Ends, Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 38319

Midland Metal Mfg. 28972 1-5/16-12 MALE JIC FLARE UNION, Brass Fittings, JIC 37 Deg Flare, Straight Tube Union | Blackhawk Supply

28972 | 1-5 / 16-12 MALE JIC FLARE UNION, Brass Fittings, JIC 37 Deg Flare, Straight Tube Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 28972

Midland Metal Mfg. 28969 9/16-18 MALE JIC FLARE UNION, Brass Fittings, JIC 37 Deg Flare, Straight Tube Union | Blackhawk Supply

28969 | 9 / 16-18 MALE JIC FLARE UNION, Brass Fittings, JIC 37 Deg Flare, Straight Tube Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 28969

Midland Metal Mfg. 28070 1/2 FIP BS UNION, Brass Fittings, Pipe, Union | Blackhawk Supply

28070 | 1 / 2 FIP BS UNION, Brass Fittings, Pipe, Union | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 28070

Midland Metal Mfg. 242X4 1/4 FLARE UNION SAE MAF/USA Mid-America Fittings Made in USA | Blackhawk Supply

242X4 | 1 / 4 FLARE UNION SAE MAF / USA Mid-America Fittings Made in USA | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 242X4

Midland Metal Mfg. 242X12 3/4 FLARE UNION SAE MAF/USA Mid-America Fittings Made in USA | Blackhawk Supply

242X12 | 3 / 4 FLARE UNION SAE MAF / USA Mid-America Fittings Made in USA | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 242X12

Midland Metal Mfg. 242X10 5/8 FLARE UNION SAE MAF/USA Mid-America Fittings Made in USA | Blackhawk Supply

242X10 | 5 / 8 FLARE UNION SAE MAF / USA Mid-America Fittings Made in USA | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 242X10

Midland Metal Mfg. 20604N 12MM P-I UNION CONNECTOR N-PLTD, Brass Fittings, Nickel Plated Push In Fittings, METRIC UNION | Blackhawk Supply

20604N | 12MM P-I UNION CONNECTOR N-PLTD, Brass Fittings, Nickel Plated Push In Fittings, METRIC UNION | Midland Metal Mfg.

Brand: Midland Metal Mfg.

SKU: 20604N

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