These hard-to-find quality brass compression fittings are standard stock items at our warehouse. Whether you need 1 or 1000 (or even more!), there is never a minimum quantity requirement to order fittings of any kind from PlumbingSupply.com. Click here for compression fitting installation instructions.

Compression Sleeves A.K.A. Ferrules

Sleeve Size Price & Quantity 1/8" $0.20 3/16" $0.25 1/4" $0.11 5/16" $0.26 3/8" $0.16

Sleeve Size Price & Quantity 7/16" $0.57 1/2" $0.25 5/8" $0.32 3/4" $0.85 7/8" $0.87

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Compression Nuts

Nut Size Price & Quantity 1/8" $0.57 3/16" $0.47 1/4" $0.35 5/16" $0.61 3/8" $0.40

Nut Size Price & Quantity 7/16" $1.34 1/2" $0.64 5/8" $0.82 3/4" $2.61 7/8" $2.16

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Compression Unions / Couplings

Union Size Price & Quantity 1/8" $1.91 3/16" $1.47 1/4" $1.24 5/16" $2.23 3/8" x 1/4" $1.80 3/8" $1.59

Union Size Price & Quantity 7/16" $8.16 1/2" x 3/8" $3.18 1/2" $2.71 5/8" x 3/8" $3.42 5/8" $4.30 7/8" $6.81

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Compression Caps

Cap Size	Price & Quantity
1/4"	$0.65
3/8"	$0.64
1/2"	$0.89
5/8"	$1.01

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Compression Tees

Tee Size	Price & Quantity
1/8"	$4.29
1/4"	$3.14
3/8"	$3.38
1/2"	$5.69
5/8"	$7.31
3/8" x 3/8" x 1/4"	$5.46

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to flare fittings

90° Compression Fittings

Fitting Size	Price & Quantity
1/4"	$2.47
3/8"	$2.49
1/2"	$4.09
5/8"	$6.15

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Compression x Fips Adapters

Adapter Size Price & Quantity 1/4" Comp x 1/8" Fips $1.93 1/4" Comp x 1/4" Fips $2.11 1/4" Comp x 3/8" Fips $2.96 1/4" Comp x 1/2" Fips $3.45 3/8" Comp x 1/4" Fips $2.02 3/8" Comp x 3/8" Fips $2.05 3/8" Comp x 1/2" Fips $2.02

Adapter Size Price & Quantity 1/2" Comp x 3/8" Fips $2.69 1/2" Comp x 1/2" Fips $2.45 1/2" Comp x 3/4" Fips $4.56 5/8" Comp x 1/2" Fips $3.09 5/8" Comp x 3/4" Fips $4.49 3/4" Comp x 3/4" Fips $13.23 7/8" Comp x 3/4" Fips $5.63

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Compression x Mips Adapters

Adapter Size Price & Quantity 1/8" Comp x 1/8" Mips $1.11 3/16" Comp x 1/8" Mips $1.35 1/4" Comp x 1/8" Mips $1.35 1/4" Comp x 1/4" Mips $1.35 1/4" Comp x 3/8" Mips $1.80 1/4" Comp x 1/2" Mips $2.04 5/16" Comp x 1/8" Mips $2.03 5/16" Comp x 1/4" Mips $2.03 3/8" Comp x 1/8" Mips $2.09 3/8" Comp x 1/4" Mips $1.90 3/8" Comp x 3/8" Mips $1.97 3/8" Comp x 1/2" Mips $2.63

Adapter Size Price & Quantity 7/16" Comp x 1/4" Mips $6.22 7/16" Comp x 3/8" Mips $6.27 1/2" Comp x 1/4" Mips $3.17 1/2" Comp x 3/8" Mips $2.73 1/2" Comp x 1/2" Mips $2.25 1/2" Comp x 3/4" Mips $4.25 5/8" Comp x 1/2" Mips $3.39 5/8" Comp x 3/4" Mips $4.29 3/4" Comp x 3/4" Mips $6.49 7/8" Comp x 1/2" Mips $5.95 7/8" Comp x 3/4" Mips $5.49 7/8" Comp x 1" Mips $12.95

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OD Comp x Mips 90°

Fitting Size Price & Quantity 1/8" x 1/8" Mips $3.20 3/16" x 1/8" Mips $3.13 1/4" x 1/8" Mips $2.48 1/4" x 1/4" Mips $2.23 5/16" x 1/8" Mips $2.91 3/8" x 1/8" Mips $2.26 3/8" x 1/4" Mips $2.93

Fitting Size Price & Quantity 3/8" x 3/8" Mips $2.44 3/8" x 1/2" Mips $3.17 1/2" x 3/8" Mips $3.20 1/2" x 1/2" Mips $4.52 5/8" x 3/8" Mips $4.56 5/8" x 1/2" Mips $5.61

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Plastic Sleeves For Soft Tubing

Plastic Sleeves Price & Quantity 1/4" $0.28 5/16" $0.39 3/8" $0.44 1/2" $0.45 5/8" $0.53

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Brass Inserts For Soft Tubing

Brass Inserts Price & Quantity 1/4" $0.29 5/16" $0.38 3/8" $0.29 1/2" $0.64 5/8" $1.05

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sizes are O.D. (outside diameter of pipe)

Common Terms - and what they mean

Comp: Compression O.D. Outside diameter of pipe Mips: Male pipe threads on the outside of fitting Fips: Female pipe threads on the inside of fitting

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