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PartsTable / COMPONENT / C65 .500SQ
C65 .500SQ ✓ 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 C65 .500SQ is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-450-3975, 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
C65 .500SQ
NSN: 5330-00-450-3975
FSC: 5330
CAGE: 0SYN4 — WARTSILA LIPS INC (USA)
SPECIFICATIONS
Part NumberC65 .500SQ
NSN5330-00-450-3975
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C65 .500SQ 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
•
FABRICATION METHOD: BRAIDED
•
CROSS-SECTIONAL WIDTH: 0.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.500 INCHES NOMINAL IN
•
TEMP RATING: 500.0 FAHRENHEIT DEGF
•
LUBRICATION MATERIAL: OIL
•
MATERIAL: ASBESTOS AND PLASTIC POLYTETRAFLUOROETHYLENE AND PETROLATUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-24377 MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
FABRICATION METHODBRAIDED
CROSS-SECTIONAL WIDTH0.500 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL IN
TEMP RATING500.0 FAHRENHEIT DEGF
LUBRICATION MATERIALOIL
MATERIALASBESTOS AND PLASTIC POLYTETRAFLUOROETHYLENE AND PETROLATUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-24377 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
5862-1INSQInterchangeable
interchangeable cross-reference
interchangeable
4188-0064Interchangeable
interchangeable cross-reference
interchangeable
5876-150Interchangeable
interchangeable cross-reference
interchangeable
M24377-03Interchangeable
interchangeable cross-reference
interchangeable
HHP34TYPE1Interchangeable
interchangeable cross-reference
interchangeable
41888-0016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C65 .500SQ?
C65 .500SQ is a C65 .500SQ.
What parts can replace C65 .500SQ?
There are 28 known substitutes for C65 .500SQ: 5862-1INSQ, 4188-0064, 5876-150 and 25 more. Substitute compatibility should be verified for your specific system.
Is C65 .500SQ still available?
C65 .500SQ 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