Brass fittings Union Shape
With over 4,000 brass fittings in stock starting at $0.05, we are always ready to provide you with exactly what you need for all your plumbing needs.
BSPT BSPP Fittings 
Bulkhead/Anchor/Frame Couplings 
Flare Brass Fittings 
Inverted Flare Brass Fittings 
Push On Hose Barb Brass Fittings 
Pipe Brass Fittings 
Nipples 
Chrome Plated Brass Fittings 
Chrome Plated Brass Nipples 
Hose Barb Plumbing Brass 
Single and Double Barb 
Beverage Brass Fittings 
Garden Hose Brass Fittings 
JIC 37 Degree Flare 
Compression Brass Fittings 
Double Compression Brass Fittings 
Captive Sleeve Compression 
Self Align Compression 
Flareless Brass Fittings 
Brass Push In 
Nickel Plated Push In 
Composite Body Push In 
Metric Push In 
Grease Fittings 
Drain Cocks 
Shut Off Valves 
Brass Air Cocks 
Needle Valves Brass Fittings 
Miniature Ball Valves 
Check and Anti Siphon Brass Valves 
Space Heater
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12025 | 5 / 16 FEMALE INVERTED FLARE UNION, Brass Fittings, Brake Lines, Union Internal | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 12025
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10137 | 1 / 2 FEMALE FLARE UNION, Brass Fittings, SAE 45 Deg Flare, Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 10137
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10136 | 3 / 8 FEMALE FLARE UNION, Brass Fittings, SAE 45 Deg Flare, Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 10136
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10107 | 5 / 16 MALE FLARE UNION, Brass Fittings, SAE 45 Deg Flare, Flare Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 10107
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38030 | 1 / 2 BULKHEAD AIR BRAKE UNION-NAB, Brass Fittings, D.O.T. Air Brake Nylon Tubing, Bulkhead Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 38030
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38028 | 1 / 4 BULKHEAD AIR BRAKE UNION-NAB, Brass Fittings, D.O.T. Air Brake Nylon Tubing, Bulkhead Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 38028
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38019 | 1 / 4 AIR BRAKE UNION-NAB, Brass Fittings, D.O.T. Air Brake Nylon Tubing, Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 38019
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18088 | 1 / 4 BULKHEAD COMPRESSION UNION, Brass Fittings, Compression, Bulkhead Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 18088
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18084 | 7 / 8 X 5 / 8 REDUCING COMP UNION, Brass Fittings, Compression, Reducing Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 18084
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18083 | 5 / 8 X 1 / 2 REDUCING COMP UNION, Brass Fittings, Compression, Reducing Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 18083
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18065 | 5 / 16 COMPRESSION UNION, Brass Fittings, Compression, Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 18065
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12027 | 1 / 2 FEMALE INVERTED FLARE UNION, Brass Fittings, Brake Lines, Union Internal | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 12027
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10612 | 3 / 8 FLARE X 3 / 8 SWT ADAPTER | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 10612
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38031 | 62NABH 5 / 8 BLKHEAD UNION | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 38031
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820800 | 1 / 2 D.O.T. P-IN BULKHEAD UNION, Brass Fittings, D.O.T. Push In, Bulkhead Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 820800
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820400 | 1 / 4 D.O.T. P-IN BULKHEAD UNION, Brass Fittings, D.O.T. Push In, Bulkhead Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 820400
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38318 | 3 / 8 AIR BRAKE UNION, Brass Fittings, D.O.T. Air Brake Hoses / Ends, Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 38318
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38022 | 5 / 8 AIR BRAKE UNION-NAB, Brass Fittings, D.O.T. Air Brake Nylon Tubing, Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 38022
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28966 | 7 / 16-20 MALE JIC FLARE UNION, Brass Fittings, JIC 37 Deg Flare, Straight Tube Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 28966
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28068 | 1 / 4 FIP BS UNION, Brass Fittings, Pipe, Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 28068
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20021 | 1 / 2 PUSH-IN UNION CONNECTOR, Brass Fittings, Brass Push In Fittings, Union Connector | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 20021
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18081 | 1 / 2 X 3 / 8 REDUCING COMP UNION, Brass Fittings, Compression, Reducing Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 18081
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18071 | 7 / 8 COMPRESSION UNION, Brass Fittings, Compression, Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 18071
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18062 | 1 / 8 COMPRESSION UNION, Brass Fittings, Compression, Union | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 18062
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