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LLH 437597 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

LLH 437597: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-423-0800, 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
LLH 437597
NSN: 5331-01-423-0800
FSC: 5331 — O-ring
CAGE: 5P967 — DANTE VALVE COMPANY (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
NSN5331-01-423-0800
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LLH 437597 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
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
TECHNICAL CHARACTERISTICS
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 3
AS568-904TSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DNX62FF-8-16 ITEM 20Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS568-904 (TEFLON)Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LLH 437597?
LLH 437597 is a O-RING.
What parts can replace LLH 437597?
There are 3 known substitutes for LLH 437597: AS568-904T, DNX62FF-8-16 ITEM 20, AS568-904 (TEFLON). Substitute compatibility should be verified for your specific system.
What is the NSN for LLH 437597?
LLH 437597 is cataloged in the U.S. Government catalog under NSN 5331-01-423-0800. This indicates validated use in U.S. government and defense supply chains.
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