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Technical Data Sheet
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12A9446X012 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12A9446X012: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. This part is cataloged in the U.S. Government catalog under NSN 5340-01-500-2024, 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
12A9446X012
NSN: 5340-01-500-2024
FSC: 5340 — Hardware, Commercial
CAGE: 22508 — FISHER CONTROLS CO INC (USA)
SPECIFICATIONS
Part Number12A9446X012
NSN5340-01-500-2024
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12A9446X012 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
SUBSTITUTES & CROSS-REFERENCES 1
58B5036Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 12A9446X012?
12A9446X012 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 12A9446X012?
There is 1 known substitute for 12A9446X012: 58B5036. Substitute compatibility should be verified for your specific system.
What is the NSN for 12A9446X012?
12A9446X012 is cataloged in the U.S. Government catalog under NSN 5340-01-500-2024. This indicates validated use in U.S. government and defense supply chains.
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