H643-1912-38 — SPRING,HELICAL,EXTENSION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

H643-1912-38: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, style_designator: CYLINDRICAL, spring_free_length: 2.500 INCHES NOMINAL IN, end_item_identification: DAMPER DUCT D;LOS ANGELES CLASS SSN (688), spring_free_outside_diameter: 0.650 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-494-9734, 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

H643-1912-38

NSN: 5360-01-494-9734
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
style_designator	CYLINDRICAL
spring_free_length	2.500 INCHES NOMINAL IN
end_item_identification	DAMPER DUCT D;LOS ANGELES CLASS SSN (688)
spring_free_outside_diameter	0.650 INCHES NOMINAL IN
NSN	5360-01-494-9734

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 0.650 INCHES NOMINAL IN

•

STYLE DESIGNATOR: CYLINDRICAL

•

SPRING FREE LENGTH: 2.500 INCHES NOMINAL IN

•

MATERIAL: STEEL CORROSION RESISTING OVERALL

TECHNICAL CHARACTERISTICS

SPRING FREE OUTSIDE DIAMETER	0.650 INCHES NOMINAL IN
STYLE DESIGNATOR	CYLINDRICAL
SPRING FREE LENGTH	2.500 INCHES NOMINAL IN
END ITEM IDENTIFICATION	DAMPER DUCT D;LOS ANGELES CLASS SSN (688)
MATERIAL	STEEL CORROSION RESISTING OVERALL

OTHER ITEMS IN FSC 5360 — Coil, Flat, Leaf, and Wire Springs

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5360-00-001-1842 5360-00-001-1945 5360-00-001-2010 5360-00-001-3865 5360-00-001-3950 5360-00-001-4650 5360-00-001-4664 5360-00-001-4703

SUBSTITUTES & CROSS-REFERENCES 1

E0650-055-2500-SReference document

Same NSN cross-reference

Reference document — Secondary 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 H643-1912-38?

H643-1912-38 is a SPRING,HELICAL,EXTENSION.

What parts can replace H643-1912-38?

There is 1 known substitute for H643-1912-38: E0650-055-2500-S. Substitute compatibility should be verified for your specific system.

What is the NSN for H643-1912-38?

H643-1912-38 is cataloged in the U.S. Government catalog under NSN 5360-01-494-9734. This indicates validated use in U.S. government and defense supply chains.

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