Skip to content
$5.99 Flat Rate Shipping • Free Shipping on Orders Over $75
$5.99 Flat Rate • Free Shipping Over $75
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.

Shop Related Categories

Filters

Save 21% Save %

3300-4-2 1/4 x 1/8 Reducing Coupling

Chem Nut Supply
$4.67
$4.67 - $4.67
$4.67
$3.67
$3.67 - $3.67
$3.67
In stock

3300-4-2 Reducing Coupling — 1/4" x 1/8"The 3300-4-2 1/4" x 1/8" reducing coupling connects pipes of different diameters with a secure, leak-free f...

View full details
$4.67
$4.67 - $4.67
$4.67
$3.67
$3.67 - $3.67
$3.67
Save 21% Save %

3300-6 3/8 Hex Coupling

Chem Nut Supply
$3.74 - $3.74
$3.74
$3.74 - $3.74
$3.74
In stock

3300-6 Hex Coupling — 3/8"The 3300-6 3/8" hex coupling delivers secure, leak-free pipe connections in hydraulic and pneumatic systems. Precision-ma...

View full details
$3.74 - $3.74
$3.74
$3.74 - $3.74
$3.74
Save 23% Save %

3300-6-2 3/8 x 1/8 Reducing Coupling

Chem Nut Supply
$8.68
$8.68 - $8.68
$8.68
$6.68
$6.68 - $6.68
$6.68
In stock

3300-6-2 Reducing Coupling — 3/8" x 1/8"The 3300-6-2 3/8" x 1/8" reducing coupling connects 3/8" and 1/8" ports with secure, leak-resistant perform...

View full details
$8.68
$8.68 - $8.68
$8.68
$6.68
$6.68 - $6.68
$6.68
Save 23% Save %
Save 19% Save %

3300-6-4 3/8 x 1/4 Reducing Coupling

Chem Nut Supply
$5.39
$5.39 - $5.39
$5.39
$4.39
$4.39 - $4.39
$4.39
In stock

3300-6-4 Reducing Coupling — 3/8" x 1/4"The 3300-6-4 3/8" x 1/4" reducing coupling connects 3/8" and 1/4" pipes and hose lines with reliable perfor...

View full details
$5.39
$5.39 - $5.39
$5.39
$4.39
$4.39 - $4.39
$4.39
Save 19% Save %

3300-8 1/2 Hex Coupling

Chem Nut Supply
$6.21 - $6.21
$6.21
$6.21 - $6.21
$6.21
In stock

3300-8 Hex Coupling — 1/2"The 3300-8 1/2" hex coupling features a robust hexagonal body for easy wrench grip and reliable torque application in hyd...

View full details
$6.21 - $6.21
$6.21
$6.21 - $6.21
$6.21

3300-8-4 1/2 x 1/4 Reducing Coupling Brass

Chem Nut Supply
$10.58 - $10.58
$10.58
$10.58 - $10.58
$10.58
In stock

3300-8-4 Brass Reducing Coupling — 1/2" x 1/4"The 3300-8-4 1/2" x 1/4" brass reducing coupling allows seamless pipe size transitions in plumbing an...

View full details
$10.58 - $10.58
$10.58
$10.58 - $10.58
$10.58

3300-8-6 1/2 x 3/8 Reducing Coupling Brass

Chem Nut Supply
$10.66 - $10.66
$10.66
$10.66 - $10.66
$10.66
In stock

3300-8-6 Brass Reducing Coupling — 1/2" x 3/8"The 3300-8-6 1/2" x 3/8" brass reducing coupling allows seamless pipe size transitions in plumbing an...

View full details
$10.66 - $10.66
$10.66
$10.66 - $10.66
$10.66

60-10 5/8 Compression Sleeve

Chem Nut Supply
$0.35 - $0.35
$0.35
$0.35 - $0.35
$0.35
In stock

60-10 Compression Sleeve — 5/8"The 60-10 5/8" compression sleeve provides secure, reliable connections for 5/8" tubing and hose applications in hyd...

View full details
$0.35 - $0.35
$0.35
$0.35 - $0.35
$0.35

60-12 3/4 Compression Sleeve

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

60-12 Compression Sleeve — 3/4"The 60-12 3/4" compression sleeve provides secure, leak-free connections in hydraulic and fluid transfer systems. Du...

View full details
$0.40 - $0.40
$0.40
$0.40 - $0.40
$0.40

60-14 7/8 Compression Sleeve

Chem Nut Supply
$0.50 - $0.50
$0.50
$0.50 - $0.50
$0.50
Low stock

60-14 Compression Sleeve — 7/8"The 60-14 7/8" compression sleeve provides secure, reliable connections for 7/8" tubing and hose applications in hyd...

View full details
$0.50 - $0.50
$0.50
$0.50 - $0.50
$0.50

60-2 1/8 Sleeve

Chem Nut Supply
$0.14 - $0.14
$0.14
$0.14 - $0.14
$0.14
In stock

60-2 Sleeve — 1/8"The 60-2 1/8" sleeve connector is precision-manufactured for secure pipe joining and fluid transfer in hydraulic systems, pneumat...

View full details
$0.14 - $0.14
$0.14
$0.14 - $0.14
$0.14

60-3 3/16 Sleeve

Chem Nut Supply
$0.14 - $0.14
$0.14
$0.14 - $0.14
$0.14
Low stock

60-3 Sleeve — 3/16"The 60-3 3/16" sleeve is precision-engineered to exacting tolerances for reliable performance in hydraulic systems, pneumatic as...

View full details
$0.14 - $0.14
$0.14
$0.14 - $0.14
$0.14

60-5 5/16 Sleeve

Chem Nut Supply
$0.32 - $0.32
$0.32
$0.32 - $0.32
$0.32
In stock

60-5 Sleeve — 5/16"The 60-5 5/16" sleeve is precision-engineered for reliable hydraulic and pneumatic applications, fitting standard hose assemblie...

View full details
$0.32 - $0.32
$0.32
$0.32 - $0.32
$0.32

60-7 7/16 Compression Sleeve

Chem Nut Supply
$0.87 - $0.87
$0.87
$0.87 - $0.87
$0.87
In stock

60-7 Compression Sleeve — 7/16"The 60-7 7/16" compression sleeve provides secure, leak-free connections for hydraulic and pneumatic hose applicatio...

View full details
$0.87 - $0.87
$0.87
$0.87 - $0.87
$0.87

60-8 1/2 Compression Sleeve

Chem Nut Supply
$0.39 - $0.39
$0.39
$0.39 - $0.39
$0.39
In stock

60-8 Compression Sleeve — 1/2"The 60-8 1/2" compression sleeve provides secure hose and tubing connections with reliable crimping and leak preventi...

View full details
$0.39 - $0.39
$0.39
$0.39 - $0.39
$0.39

61-10 5/8 Compression Union Nuts

Chem Nut Supply
$1.24 - $1.24
$1.24
$1.24 - $1.24
$1.24
In stock

61-10 Compression Union Nuts — 5/8"The 61-10 5/8" compression union nuts deliver secure, leak-free connections in hydraulic and pneumatic systems w...

View full details
$1.24 - $1.24
$1.24
$1.24 - $1.24
$1.24

61-12 3/4 Compression Union Nuts

Chem Nut Supply
$1.70 - $1.70
$1.70
$1.70 - $1.70
$1.70
In stock

61-12 Compression Union Nuts — 3/4"The 61-12 3/4" compression union nuts create reliable, leak-free connections in hydraulic and pneumatic systems ...

View full details
$1.70 - $1.70
$1.70
$1.70 - $1.70
$1.70

61-14 7/8 Compression Union Nuts

Chem Nut Supply
$1.89 - $1.89
$1.89
$1.89 - $1.89
$1.89
In stock

61-14 Compression Union Nuts — 7/8"The 61-14 7/8" compression union nuts provide secure, leak-free connections in hydraulic and pneumatic systems w...

View full details
$1.89 - $1.89
$1.89
$1.89 - $1.89
$1.89

61-2 1/8 Compression Union Nuts

Chem Nut Supply
$0.32 - $0.32
$0.32
$0.32 - $0.32
$0.32
In stock

61-2 Compression Union Nuts — 1/8"The 61-2 1/8" compression union nuts deliver secure, leak-free connections in hydraulic and pneumatic systems wit...

View full details
$0.32 - $0.32
$0.32
$0.32 - $0.32
$0.32

61-3 3/16 Compression Union Nuts

Chem Nut Supply
$0.41 - $0.41
$0.41
$0.41 - $0.41
$0.41
In stock

61-3 Compression Union Nuts — 3/16"The 61-3 3/16" compression union nuts deliver secure, leak-free seals in hydraulic and pneumatic hose assemblies...

View full details
$0.41 - $0.41
$0.41
$0.41 - $0.41
$0.41

61-4 1/4 Compression Union Nuts

Chem Nut Supply
$0.45 - $0.45
$0.45
$0.45 - $0.45
$0.45
In stock

61-4 Compression Union Nuts — 1/4"The 61-4 1/4" compression union nuts feature precision-engineered threads and a robust design for secure, leak-fr...

View full details
$0.45 - $0.45
$0.45
$0.45 - $0.45
$0.45

61-5 5/16 Compression Union Nuts

Chem Nut Supply
$0.59 - $0.59
$0.59
$0.59 - $0.59
$0.59
In stock

61-5 Compression Union Nuts — 5/16"The 61-5 5/16" compression union nuts deliver secure, leak-free seals in hydraulic and pneumatic hose assemblies...

View full details
$0.59 - $0.59
$0.59
$0.59 - $0.59
$0.59

61-6 3/8 Compression Union Nuts

Chem Nut Supply
$0.71 - $0.71
$0.71
$0.71 - $0.71
$0.71
In stock

61-6 Compression Union Nuts — 3/8"The 61-6 3/8" compression union nuts deliver secure, leak-free connections in hydraulic and pneumatic systems wit...

View full details
$0.71 - $0.71
$0.71
$0.71 - $0.71
$0.71

61-7 7/16 Compression Union Nuts

Chem Nut Supply
$0.95 - $0.95
$0.95
$0.95 - $0.95
$0.95
In stock

61-7 Compression Union Nuts — 7/16"The 61-7 7/16" compression union nuts deliver precise, leak-free seals in hydraulic and pneumatic systems rated ...

View full details
$0.95 - $0.95
$0.95
$0.95 - $0.95
$0.95