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Technical Data Sheet
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GU7849 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GU7849: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. This part is cataloged in the U.S. Government catalog under NSN 5340-01-132-4992, 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
GU7849
NSN: 5340-01-132-4992
FSC: 5340 — Hardware, Commercial
CAGE: 01843 — AMBAC INTERNATIONAL CORPORATION DIV AMBAC INTERNATIONAL (USA)
SPECIFICATIONS
Part NumberGU7849
NSN5340-01-132-4992
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GU7849 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
FA79GU780081Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GU7849?
GU7849 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace GU7849?
There is 1 known substitute for GU7849: FA79GU780081. Substitute compatibility should be verified for your specific system.
What is the NSN for GU7849?
GU7849 is cataloged in the U.S. Government catalog under NSN 5340-01-132-4992. This indicates validated use in U.S. government and defense supply chains.
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