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Technical Data Sheet
PartsTable / O-RING / C-WK-621-8 ITEM 14
C-WK-621-8 ITEM 14 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-308-1204, 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
C-WK-621-8 ITEM 14
NSN: 5331-01-308-1204
FSC: 5331 — O-RING
CAGE: 87045 — WALZ & KRENZER INC DIV MAPECO PRODUCTS (USA)
SPECIFICATIONS
Part NumberC-WK-621-8 ITEM 14
NSN5331-01-308-1204
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C-WK-621-8 ITEM 14 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 7
1350160Interchangeable
interchangeable cross-reference
interchangeable
66-110Interchangeable
interchangeable cross-reference
interchangeable
7276Interchangeable
interchangeable cross-reference
interchangeable
10596911-1Interchangeable
interchangeable cross-reference
interchangeable
STI5024Interchangeable
interchangeable cross-reference
interchangeable
SJ903Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C-WK-621-8 ITEM 14?
C-WK-621-8 ITEM 14 is a O-RING.
What parts can replace C-WK-621-8 ITEM 14?
There are 7 known substitutes for C-WK-621-8 ITEM 14: 1350160, 66-110, 7276 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C-WK-621-8 ITEM 14?
C-WK-621-8 ITEM 14 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-308-1204. 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