FMSI Automotive Hardware
FMSI Automotive Hardware
1070 Heritage Road
Burlington, ON L7L4X9
Toll Free: 800.651.7445
Phone: 905.335.1828
Fax: 905.335.1829
Email: info@fmsiinc.com
Website: www.fmsiinc.com
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360º seal compression unions permit the use of one part number of each size to effectively and easily join steel, copper, aluminum, and nylon tubing, or combinations of these materials, including 10mm. These leak free compression unions come in both straight, 90º elbows and reducing styles.
Compression Unions
Unit of Measure
1 2 3 

Item #

Product

Type

Size

Weatherhead #

Edelmann #

Tube Size

Side #1

Side #2

Packaging

Old FMSI No.

162900 N/A 5/8" Brass Compression Union N/A Union N/A 5/8" N/A 62x10 N/A 162900 N/A 5/8" N/A N/A N/A SP(1) HP(1) N/A
162920 N/A 3/4" Brass Compression Union N/A Union N/A 3/4" N/A 62x12 N/A 162920 N/A 3/4" N/A N/A N/A SP(1) HP(1) N/A
64-2 (Formerly 3780) N/A 1/8" Brass Compression Tee N/A N/A 1/8" N/A - N/A 164200 N/A N/A N/A N/A SP(1) HP(1) N/A 3780
64-3 (Formerly 3781) N/A 3/16" Brass Compression Tee N/A N/A 3/16" N/A 64X3 N/A 164300 N/A N/A N/A N/A SP(1) HP(1) N/A 3781
164400 N/A 1/4" Brass Compression Tee N/A Union Tee N/A 1/4" N/A 64x4 N/A 164400 N/A 1/4" N/A N/A N/A SP(1) HP(1) N/A
64-5 (Formerly 3783) N/A 5/16" Brass Compression Tee N/A N/A 5/16" N/A 64X5 N/A 164500 N/A N/A N/A N/A SP(1) HP(1) N/A 3783
164600 N/A 3/8" Brass Compression Tee N/A Union Tee N/A 3/8" N/A 64x6 N/A 164600 N/A 3/8" N/A N/A N/A SP(1) HP(1) N/A
164800 N/A 1/2" Brass Compression Tee N/A Union Tee N/A 1/2" N/A 64x8 N/A 164800 N/A 1/2" N/A N/A N/A SP(1) HP(1) N/A
3785 N/A 3/8" Brass Compression 90º Elbow N/A N/A 3/8" N/A 65X6 N/A 165600 N/A N/A N/A N/A SP(1) HP(1) N/A
4919 N/A 1/2" Brass Compression 90º Elbow N/A N/A 1/2" N/A 65X8 N/A 165800 N/A N/A N/A N/A SP(1) HP(1) N/A
4406 N/A 5/8" 360º Seal Compression Union N/A N/A 5/8" N/A N/A N/A N/A N/A N/A SP(2) HP(2) N/A
160200 N/A 1/8" Brass Ferule N/A Sleeve N/A 1/8" N/A 60x2 N/A 160200 N/A 1/8" N/A N/A N/A SP(25) HP(10) N/A
160900 N/A 5/8" Brass Ferrule N/A Sleeve N/A 5/8" N/A 60x10 N/A 160900 N/A 5/8" N/A N/A N/A SP(5) HP(2) N/A
160920 N/A 3/4" Brass Ferrule N/A Sleeve N/A 3/4" N/A 60x12 N/A 160920 N/A 3/4" N/A N/A N/A SP(5) HP(2) N/A
3207 N/A 5/16"(8mm) Nylon Ferrule N/A N/A 5/16"(8mm) N/A N/A N/A N/A N/A N/A SP(25) HP(10) N/A
60-8 (Formerly 3767) N/A 1/2" Brass Ferule N/A N/A 1/2" N/A 60X8 N/A 160800 N/A N/A N/A N/A SP(5) HP(2) N/A 3767
161400 N/A 1/4" Compression Union Brass Nut N/A Nut N/A 1/4" N/A 4105X4 N/A 161400 N/A 1/4" N/A N/A N/A SP(1) HP(1) N/A
161500 N/A 5/16"(8mm) Compression Union Brass Nut N/A Nut N/A 5/16"(8mm) N/A 61x5 N/A 161500 N/A 5/16" N/A N/A N/A SP(1) HP(1) N/A
61-6 (Formerly 3774) N/A 3/8" Compression Union Brass Nut N/A N/A 3/8" N/A 61x6 N/A 161600 N/A N/A N/A N/A SP(1) HP(1) N/A 3774
61-8 (Formerly 3775) N/A 1/2" Compression Union Brass Nut N/A N/A 1/2" N/A 61x8 N/A 161800 N/A N/A N/A N/A SP(1) HP(1) N/A 3775
2844 N/A 1/2" to 3/8" 360º Seal Reducing Compression Union N/A N/A 1/2" to 3/8" N/A N/A N/A N/A N/A N/A SP(2) HP(2) N/A
2843 N/A 10mm to 5/16"(8mm) 360º Seal Reducing Compression Union N/A N/A 10mm to 5/16"(8mm) N/A N/A N/A N/A N/A N/A SP(2) HP(2) N/A
4410 N/A Compression Union Nut N/A Union N/A N/A 61x12 N/A N/A 3/4" N/A N/A N/A N/A
160700 N/A 7/16" Brass Ferule N/A Sleeve N/A 7/16" N/A 60x7 N/A 160700 N/A 7/16" N/A N/A N/A SO(10) N/A
Unit of Measure
1 2 3