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Technical Data Sheet
PartsTable / O-RING / 5331PL2020272
5331PL2020272 ✓ 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 material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 8.704 INCHES MINIMUM AND 8.820 INCHES MAXIMUM IN, center_hole_diameter: 8.454 INCHES MINIMUM AND 8.514 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-105-9151, 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
5331PL2020272
NSN: 5331-01-105-9151
FSC: 5331 — O-RING
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter8.704 INCHES MINIMUM AND 8.820 INCHES MAXIMUM IN
center_hole_diameter8.454 INCHES MINIMUM AND 8.514 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-01-105-9151
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5331PL2020272 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
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 8.454 INCHES MINIMUM AND 8.514 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 8.704 INCHES MINIMUM AND 8.820 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER8.454 INCHES MINIMUM AND 8.514 INCHES MAXIMUM IN
OUTSIDE DIAMETER8.704 INCHES MINIMUM AND 8.820 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
3964-257REVAPC40Interchangeable
interchangeable cross-reference
interchangeable
C232725-46Interchangeable
interchangeable cross-reference
interchangeable
31149-3206PC3200Interchangeable
interchangeable cross-reference
interchangeable
2268Interchangeable
interchangeable cross-reference
interchangeable
EG-12Interchangeable
interchangeable cross-reference
interchangeable
RR-E-300Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5331PL2020272?
5331PL2020272 is a O-RING.
What parts can replace 5331PL2020272?
There are 26 known substitutes for 5331PL2020272: 3964-257REVAPC40, C232725-46, 31149-3206PC3200 and 23 more. Substitute compatibility should be verified for your specific system.
Is 5331PL2020272 still available?
5331PL2020272 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