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Technical Data Sheet
PartsTable / O-RING / P-639111A
P-639111A ✓ 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. Key specifications include color: RED, material: RUBBER, center_hole_diameter: 1.730 INCHES NOMINAL IN, cross-sectional_height: 0.100 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-399-2158, 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
P-639111A
NSN: 5331-01-399-2158
FSC: 5331 — O-RING
CAGE: 60764 — WIGGINS LIFT CO INC (USA)
SPECIFICATIONS
colorRED
materialRUBBER
center_hole_diameter1.730 INCHES NOMINAL IN
cross-sectional_height0.100 INCHES NOMINAL IN
NSN5331-01-399-2158
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P-639111A 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
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.730 INCHES NOMINAL IN
•
COLOR: RED
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.100 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.730 INCHES NOMINAL IN
COLORRED
MATERIALRUBBER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
31217Interchangeable
interchangeable cross-reference
interchangeable
1195Interchangeable
interchangeable cross-reference
interchangeable
4463Interchangeable
interchangeable cross-reference
interchangeable
7702740Interchangeable
interchangeable cross-reference
interchangeable
1523080Interchangeable
interchangeable cross-reference
interchangeable
GS115Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P-639111A?
P-639111A is a O-RING.
What parts can replace P-639111A?
There are 9 known substitutes for P-639111A: 31217, 1195, 4463 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P-639111A?
P-639111A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-399-2158. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026