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5340-99-956 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5340-99-956: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALLSTEEL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-467-9277, 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
5340-99-956
NSN: 5340-00-467-9277
NIINs: 004679277, 004679321
FSC: 5340 — Hardware, Commercial
CAGE: 99995 — NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION
SPECIFICATIONS
materialSTEEL OVERALLSTEEL OVERALL
NSN5340-00-467-9277
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5340-99-956 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: STEEL OVERALLSTEEL OVERALL
TECHNICAL CHARACTERISTICS
MATERIALSTEEL OVERALLSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
33454-120-0Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5340-99-956?
5340-99-956 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 5340-99-956?
There is 1 known substitute for 5340-99-956: 33454-120-0. Substitute compatibility should be verified for your specific system.
What is the NSN for 5340-99-956?
5340-99-956 is cataloged in the U.S. Government catalog under NSN 5340-00-467-9277. This indicates validated use in U.S. government and defense supply chains.
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