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Technical Data Sheet
PartsTable / O-RING / 250-6316669P/OITEM50
250-6316669P/OITEM50 ✓ 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 250-6316669P/OITEM50 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-331-8137, 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
250-6316669P/OITEM50
NSN: 5331-01-331-8137
FSC: 5331 — O-RING
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number250-6316669P/OITEM50
NSN5331-01-331-8137
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 250-6316669P/OITEM50 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: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 0.495 INCHES NOMINAL IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
CENTER HOLE DIAMETER: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
PERIPHERAL DIAMETER0.495 INCHES NOMINAL IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
CRITICALITY CODE JUSTIFICATIONZZZW
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CENTER HOLE DIAMETER0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
2528918Interchangeable
interchangeable cross-reference
interchangeable
MILP5510Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-5510Interchangeable
interchangeable cross-reference
interchangeable
ABS3303Interchangeable
interchangeable cross-reference
interchangeable
205-160-904Interchangeable
interchangeable cross-reference
interchangeable
M83248/2-904Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 250-6316669P/OITEM50?
250-6316669P/OITEM50 is a 250-6316669P/OITEM50.
What parts can replace 250-6316669P/OITEM50?
There are 30 known substitutes for 250-6316669P/OITEM50: 2528918, MILP5510, AMS-P-5510 and 27 more. Substitute compatibility should be verified for your specific system.
Is 250-6316669P/OITEM50 still available?
250-6316669P/OITEM50 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