PartsTable
Technical Data Sheet
PartsTable / O-RING / 645001RR142
645001RR142 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-537-3888, 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
645001RR142
NSN: 5331-00-537-3888
FSC: 5331 — O-RING
CAGE: 99551 — GOODRICH CORPORATION DBA GOODRICH CORP (USA)
SPECIFICATIONS
Part Number645001RR142
NSN5331-00-537-3888
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 645001RR142 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
3111626AInterchangeable
interchangeable cross-reference
interchangeable
A14715Interchangeable
interchangeable cross-reference
interchangeable
3109080Interchangeable
310-9080
interchangeable
2-055-024-375Interchangeable
interchangeable cross-reference
interchangeable
30-20080Interchangeable
interchangeable cross-reference
interchangeable
H2HC-DM7044-HW1-50Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 645001RR142?
645001RR142 is a O-RING.
What parts can replace 645001RR142?
There are 19 known substitutes for 645001RR142: 3111626A, A14715, 3109080 and 16 more. Substitute compatibility should be verified for your specific system.
Is 645001RR142 still available?
645001RR142 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026