PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FIG 509 NO.4
FIG 509 NO.4 ✓ 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 FIG 509 NO.4 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 5340-01-377-6199, 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
FIG 509 NO.4
NSN: 5340-01-377-6199
FSC: 5340
CAGE: 46576 — PERKO INC (USA)
SPECIFICATIONS
Part NumberFIG 509 NO.4
NSN5340-01-377-6199
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FIG 509 NO.4 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 15
5094Interchangeable
interchangeable cross-reference
interchangeable
CHANTInterchangeable
interchangeable cross-reference
interchangeable
692DInterchangeable
interchangeable cross-reference
interchangeable
27146Interchangeable
interchangeable cross-reference
interchangeable
30431Interchangeable
interchangeable cross-reference
interchangeable
WR81-C-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FIG 509 NO.4?
FIG 509 NO.4 is a FIG 509 NO.4.
What parts can replace FIG 509 NO.4?
There are 15 known substitutes for FIG 509 NO.4: 5094, CHANT, 692D and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FIG 509 NO.4?
FIG 509 NO.4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-377-6199. 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