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Technical Data Sheet
PartsTable / O-RING / 5331PL0813745
5331PL0813745 ✓ 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, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.637 INCHES NOMINAL IN, center_hole_diameter: 2.339 INCHES MINIMUM AND 2.379 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, 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 5331-00-351-6971, 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
5331PL0813745
NSN: 5331-00-351-6971
FSC: 5331 — O-RING
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialRUBBER
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter2.637 INCHES NOMINAL IN
center_hole_diameter2.339 INCHES MINIMUM AND 2.379 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-351-6971
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5331PL0813745 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
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
MATERIAL: RUBBER
•
CENTER HOLE DIAMETER: 2.339 INCHES MINIMUM AND 2.379 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.637 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
ELONGATION PERCENTAGE125 MAXIMUM
MATERIALRUBBER
CENTER HOLE DIAMETER2.339 INCHES MINIMUM AND 2.379 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.637 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
MIL-R-25988BInterchangeable
interchangeable cross-reference
interchangeable
MFF18T220941BInterchangeable
interchangeable cross-reference
interchangeable
99-4601-501Interchangeable
interchangeable cross-reference
interchangeable
5-818Interchangeable
interchangeable cross-reference
interchangeable
S9412-111Interchangeable
interchangeable cross-reference
interchangeable
M25988/2-111Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5331PL0813745?
5331PL0813745 is a O-RING.
What parts can replace 5331PL0813745?
There are 21 known substitutes for 5331PL0813745: MIL-R-25988B, MFF18T220941B, 99-4601-501 and 18 more. Substitute compatibility should be verified for your specific system.
Is 5331PL0813745 still available?
5331PL0813745 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