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Technical Data Sheet
PartsTable / COMPONENT / CVA63-520-1680928 ITEM 37
CVA63-520-1680928 ITEM 37 ✓ 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 GASKET is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-217-2879, 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
CVA63-520-1680928 ITEM 37
NSN: 5330-01-217-2879
FSC: 5330
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part NumberCVA63-520-1680928 ITEM 37
NSN5330-01-217-2879
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CVA63-520-1680928 ITEM 37 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
14088Interchangeable
interchangeable cross-reference
interchangeable
V003 005Interchangeable
interchangeable cross-reference
interchangeable
11B5090651-45Interchangeable
interchangeable cross-reference
interchangeable
C54503Interchangeable
interchangeable cross-reference
interchangeable
54503Interchangeable
interchangeable cross-reference
interchangeable
14088 SPEC-BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CVA63-520-1680928 ITEM 37?
CVA63-520-1680928 ITEM 37 is a GASKET.
What parts can replace CVA63-520-1680928 ITEM 37?
There are 10 known substitutes for CVA63-520-1680928 ITEM 37: 14088, V003 005, 11B5090651-45 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CVA63-520-1680928 ITEM 37?
CVA63-520-1680928 ITEM 37 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-217-2879. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026