PartsTable
Technical Data Sheet
PartsTable / O-RING / 60-P-31-121
60-P-31-121 ✓ 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: 1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN, center_hole_diameter: 1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-337-8593, 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
60-P-31-121
NSN: 5331-00-337-8593
FSC: 5331 — O-RING
CAGE: 28486 — WEST AMERICAN RUBBER CO EXTRUDE PRODUCTS DIV (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
center_hole_diameter1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-337-8593
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 60-P-31-121 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
•
CENTER HOLE DIAMETER: 1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.239 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
MS29513-27Interchangeable
interchangeable cross-reference
interchangeable
MS29513-027Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-5315AInterchangeable
interchangeable cross-reference
interchangeable
8A9020Interchangeable
interchangeable cross-reference
interchangeable
2-007N602-70Interchangeable
interchangeable cross-reference
interchangeable
MS29513-007Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 60-P-31-121?
60-P-31-121 is a O-RING.
What parts can replace 60-P-31-121?
There are 32 known substitutes for 60-P-31-121: MS29513-27, MS29513-027, AMS-P-5315A and 29 more. Substitute compatibility should be verified for your specific system.
Is 60-P-31-121 still available?
60-P-31-121 is currently cancelled.
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Last verified: July 2026