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Brass Pipe & DOT Fittings

Brass Pipe & DOT Fittings

A comprehensive selection of brass pipe fittings and DOT-approved air brake fittings for trucks, trailers, and heavy equipment. Chem Nut Supply stocks push-in fittings, compression fittings, pipe thread fittings, and air brake components in the sizes most commonly needed for fleet maintenance and repair. Shop individual fittings or complete assortment kits.

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033885 1/2 Hose x 3/8 Pipe Connector with Spring Guard

Chem Nut Supply
$13.55
$13.55 - $13.55
$13.55
$9.99
$9.99 - $9.99
$9.99
In stock

033885 Hose x Pipe Connector with Spring Guard — 1/2" Hose x 3/8" NPTThe 033885 1/2" hose x 3/8" NPT pipe connector with integrated spring guard de...

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$13.55
$13.55 - $13.55
$13.55
$9.99
$9.99 - $9.99
$9.99
Save 26% Save %

016678 3/8 Air Brake Hose Mender

Chem Nut Supply
$23.96 - $23.96
$23.96
$23.96 - $23.96
$23.96
In stock

016678 Air Brake Hose Mender — 3/8"The 016678 3/8" air brake hose mender is a professional-grade connector designed for quick repairs and maintenan...

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$23.96 - $23.96
$23.96
$23.96 - $23.96
$23.96

033887 1/2 Air Brake Hose Mender

Chem Nut Supply
$17.95 - $17.95
$17.95
$17.95 - $17.95
$17.95
In stock

033887 Air Brake Hose Mender — 1/2"The 033887 1/2" air brake hose mender is a quick-connect repair fitting that splices damaged sections of 1/2" ai...

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$17.95 - $17.95
$17.95
$17.95 - $17.95
$17.95

10-124 3/4 x 1/4 Reducing Female Pipe Coupling

Chem Nut Supply
$19.70 - $19.70
$19.70
$19.70 - $19.70
$19.70
Low stock

10-124 Reducing Female Pipe Coupling — 3/4" x 1/4"The 10-124 3/4" x 1/4" reducing female pipe coupling connects pipes of different diameters with s...

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$19.70 - $19.70
$19.70
$19.70 - $19.70
$19.70

10-126 3/4 x 3/8 Reducing Female Pipe Coupling

Chem Nut Supply
$15.91 - $15.91
$15.91
$15.91 - $15.91
$15.91
In stock

10-126 Reducing Female Pipe Coupling — 3/4" x 3/8"The 10-126 3/4" x 3/8" reducing female pipe coupling connects pipes of different diameters with s...

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$15.91 - $15.91
$15.91
$15.91 - $15.91
$15.91

10-168 1 x 1/2 Reducing Female Pipe Coupling

Chem Nut Supply
$21.02 - $21.02
$21.02
$21.02 - $21.02
$21.02
In stock

10-168 Reducing Female Pipe Coupling — 1" x 1/2"The 10-168 1" x 1/2" reducing female pipe coupling connects pipes of different diameters with secur...

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$21.02 - $21.02
$21.02
$21.02 - $21.02
$21.02

10-82 1/2 x 1/8 Reducing Female Pipe Coupling

Chem Nut Supply
$9.15 - $9.15
$9.15
$9.15 - $9.15
$9.15
Low stock

10-82 Reducing Female Pipe Coupling — 1/2" x 1/8"The 10-82 1/2" x 1/8" reducing female pipe coupling connects hoses and pipes of different diameter...

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$9.15 - $9.15
$9.15
$9.15 - $9.15
$9.15

103-16 1' Pipe Coupling

Chem Nut Supply
$19.37 - $19.37
$19.37
$19.37 - $19.37
$19.37
Low stock

103-16 Pipe Coupling — 1"The 103-16 1" pipe coupling delivers reliable fluid and gas transfer through a secure NPT threaded connection in hydraulic...

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$19.37 - $19.37
$19.37
$19.37 - $19.37
$19.37

106-3 3/16 Inverted Flare Plug

Chem Nut Supply
$0.69 - $0.69
$0.69
$0.69 - $0.69
$0.69
In stock

106-3 Inverted Flare Plug — 3/16"The 106-3 3/16" inverted flare plug provides a reliable seal for capped hydraulic and pneumatic lines, preventing ...

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$0.69 - $0.69
$0.69
$0.69 - $0.69
$0.69

106-4 1/4 Inverted Flare Plug

Chem Nut Supply
$1.34 - $1.34
$1.34
$1.34 - $1.34
$1.34
In stock

106-4 Inverted Flare Plug — 1/4"The 106-4 1/4" inverted flare plug creates a secure, leak-free seal in 1/4" inverted flare connections for hydrauli...

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$1.34 - $1.34
$1.34
$1.34 - $1.34
$1.34

106-6 3/8 Inverted Flare Plug

Chem Nut Supply
$2.22 - $2.22
$2.22
$2.22 - $2.22
$2.22
Low stock

106-6 Inverted Flare Plug — 3/8"The 106-6 3/8" inverted flare plug provides a secure seal for open hydraulic and pneumatic lines, preventing leaks ...

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$2.22 - $2.22
$2.22
$2.22 - $2.22
$2.22

1110-3 3/16 SAE 45 Deg Short Brake Nut

Chem Nut Supply
$0.50 - $0.50
$0.50
$0.50 - $0.50
$0.50
In stock

1110-3 SAE 45° Short Brake Nut — 3/16"The 1110-3 3/16" SAE 45-degree short brake nut provides a secure, leak-free connection in compact brake line ...

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$0.50 - $0.50
$0.50
$0.50 - $0.50
$0.50

1110-4 1/4 SAE 45 Deg Brake Short Nut

Chem Nut Supply
$0.61 - $0.61
$0.61
$0.61 - $0.61
$0.61
In stock

1110-4 SAE 45° Short Brake Nut — 1/4"The 1110-4 1/4" SAE 45-degree short brake nut delivers a precision leak-free connection in hydraulic and pneum...

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$0.61 - $0.61
$0.61
$0.61 - $0.61
$0.61
Save 18% Save %

120R-62 3/8 x 1/8 Reducing Adapter

Chem Nut Supply
$5.46
$5.46 - $5.46
$5.46
$4.46
$4.46 - $4.46
$4.46
In stock

120R-62 Reducing Adapter — 3/8" x 1/8"The 120R-62 3/8" x 1/8" reducing adapter connects hydraulic and pneumatic lines of different diameters for re...

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$5.46
$5.46 - $5.46
$5.46
$4.46
$4.46 - $4.46
$4.46
Save 18% Save %

271-4 Ford Transmission Line Adapter Fitting

Chem Nut Supply
$15.50 - $15.50
$15.50
$15.50 - $15.50
$15.50
Low stock

271-4 Ford Transmission Line Adapter FittingThe 271-4 Ford transmission line adapter fitting provides a reliable hydraulic connection in Ford trans...

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$15.50 - $15.50
$15.50
$15.50 - $15.50
$15.50

280-2 1/8 Transmission Sleeve

Chem Nut Supply
$0.40 - $0.40
$0.40
$0.40 - $0.40
$0.40
In stock

280-2 Transmission Sleeve — 1/8"The 280-2 1/8" transmission sleeve provides secure coupling and alignment in automotive and industrial transmission...

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$0.40 - $0.40
$0.40
$0.40 - $0.40
$0.40

280-2.5 5/32 Transmission Sleeve

Chem Nut Supply
$0.62 - $0.62
$0.62
$0.62 - $0.62
$0.62
In stock

280-2.5 Transmission Sleeve — 5/32"The 280-2.5 5/32" transmission sleeve is precision-engineered to exact tolerances for reliable drivetrain perfor...

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$0.62 - $0.62
$0.62
$0.62 - $0.62
$0.62

283-2 1/8 Transmission Brass Union

Chem Nut Supply
$3.88 - $3.88
$3.88
$3.88 - $3.88
$3.88
Low stock

283-2 Transmission Brass Union — 1/8"The 283-2 1/8" transmission brass union provides a secure, corrosion-resistant connection for transmission flu...

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$3.88 - $3.88
$3.88
$3.88 - $3.88
$3.88

283-2.5 5/32 Transmission Brass Union

Chem Nut Supply
$5.30 - $5.30
$5.30
$5.30 - $5.30
$5.30
In stock

283-2.5 Transmission Brass Union — 5/32"The 283-2.5 5/32" transmission brass union provides a secure, corrosion-resistant connection for transmissi...

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$5.30 - $5.30
$5.30
$5.30 - $5.30
$5.30

3129-12 3/4 Brass Pipe Cap

Chem Nut Supply
$27.99 - $27.99
$27.99
$27.99 - $27.99
$27.99
In stock

3129-12 Brass Pipe Cap — 3/4"The 3129-12 3/4" brass pipe cap provides reliable sealing and closure for open pipe ends in plumbing, hydraulic, and i...

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$27.99 - $27.99
$27.99
$27.99 - $27.99
$27.99

3129-2 1/8 Brass Pipe Cap

Chem Nut Supply
$1.31 - $1.31
$1.31
$1.31 - $1.31
$1.31
In stock

3129-2 Brass Pipe Cap — 1/8"The 3129-2 1/8" brass pipe cap provides reliable sealing and closure for open pipe ends in plumbing, hydraulic, and ind...

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$1.31 - $1.31
$1.31
$1.31 - $1.31
$1.31
Save 63% Save %

3129-4 1/4 Brass Pipe Cap

Chem Nut Supply
$1.60
$1.60 - $1.60
$1.60
$0.60
$0.60 - $0.60
$0.60
In stock

3129-4 Brass Pipe Cap — 1/4"The 3129-4 1/4" brass pipe cap provides reliable sealing and protection for open pipe ends in hydraulic systems, plumbi...

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$1.60
$1.60 - $1.60
$1.60
$0.60
$0.60 - $0.60
$0.60
Save 63% Save %

3129-4 1/4 Brass Pipe Cap

Chem Nut Supply
$2.48 - $2.48
$2.48
$2.48 - $2.48
$2.48
In stock

3129-4 Brass Pipe Cap — 1/4"The 3129-4 1/4" brass pipe cap delivers a secure seal on open NPT pipe ends in hydraulic systems, pneumatic lines, and ...

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$2.48 - $2.48
$2.48
$2.48 - $2.48
$2.48
Save 26% Save %

3129-8 1/2 Brass Pipe Cap

Chem Nut Supply
$3.83
$3.83 - $3.83
$3.83
$2.83
$2.83 - $2.83
$2.83
In stock

3129-8 Brass Pipe Cap — 1/2"The 3129-8 1/2" brass pipe cap provides reliable sealing and corrosion resistance for open pipe ends in hydraulic syste...

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$3.83
$3.83 - $3.83
$3.83
$2.83
$2.83 - $2.83
$2.83
Save 26% Save %