The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, end_item_identification: 2 INCH TRAC STYLE 'FA' BACK PRESSURE REGULATING VALVE ASSEMBLY IN. This part is cataloged in the U.S.
Government catalog under NSN 5331-01-475-4086, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
1639-02
NSN:5331-01-475-4086 FSC:5331 — O-ring CAGE:55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
end_item_identification
2 INCH TRAC STYLE 'FA' BACK PRESSURE REGULATING VALVE ASSEMBLY IN
NSN
5331-01-475-4086
COMPONENT DIAGRAM
KEY FEATURES
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATION
2 INCH TRAC STYLE 'FA' BACK PRESSURE REGULATING VALVE ASSEMBLY IN
MATERIAL
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 1639-02?
1639-02 is a O-RING.
What parts can replace 1639-02?
There is 1 known substitute for 1639-02: 40695-5 PC 40. Substitute compatibility should be verified for your specific system.
What is the NSN for 1639-02?
1639-02 is cataloged in the U.S. Government catalog under NSN 5331-01-475-4086. This indicates validated use in U.S. government and defense supply chains.
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