S1257684 — SPRING,HELICAL,EXTENSION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

S1257684: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: MACHINED HALF LOOP BOTH ENDS, design_type: CLOSED, hook_radius: 0.125 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 52-3/4, opening_width: 0.031 INCHES NOMINAL BOTH ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-316-3607, 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

S1257684

NSN: 5360-00-316-3607
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 65054 — WESTINGHOUSE ELECTRIC CORP POWER GENERATION-GENERATOR DIV (USA)

SPECIFICATIONS

material	STEEL OVERALL
end_style	MACHINED HALF LOOP BOTH ENDS
design_type	CLOSED
hook_radius	0.125 INCHES NOMINAL BOTH ENDS IN
coil_quantity	52-3/4
opening_width	0.031 INCHES NOMINAL BOTH ENDS IN
inside_diameter	0.210 INCHES NOMINAL IN
style_designator	CYLINDRICAL
spring_free_length	1.375 INCHES NOMINAL IN
coil_helix_direction	RIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter	0.250 INCHES NOMINAL IN
NSN	5360-00-316-3607

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN

•

END STYLE: MACHINED HALF LOOP BOTH ENDS

•

DESIGN TYPE: CLOSED

•

STYLE DESIGNATOR: CYLINDRICAL

•

OPENING WIDTH: 0.031 INCHES NOMINAL BOTH ENDS IN

•

SPRING FREE LENGTH: 1.375 INCHES NOMINAL IN

•

INSIDE DIAMETER: 0.210 INCHES NOMINAL IN

•

COIL QUANTITY: 52-3/4

TECHNICAL CHARACTERISTICS

SPRING FREE OUTSIDE DIAMETER	0.250 INCHES NOMINAL IN
END STYLE	MACHINED HALF LOOP BOTH ENDS
DESIGN TYPE	CLOSED
STYLE DESIGNATOR	CYLINDRICAL
OPENING WIDTH	0.031 INCHES NOMINAL BOTH ENDS IN
SPRING FREE LENGTH	1.375 INCHES NOMINAL IN
INSIDE DIAMETER	0.210 INCHES NOMINAL IN
COIL QUANTITY	52-3/4
COIL HELIX DIRECTION	RIGHT-HAND OR LEFT-HAND
MATERIAL	STEEL 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 5

1257684Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

36J431-3SH1ITEM10Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

35J960PC39Reference document

Same NSN cross-reference

Reference document — Secondary reference

37J740SH1ITEM10Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

35J965SH1ITEM10Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is S1257684?

S1257684 is a SPRING,HELICAL,EXTENSION.

What parts can replace S1257684?

There are 5 known substitutes for S1257684: 1257684, 36J431-3SH1ITEM10, 35J960PC39 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for S1257684?

S1257684 is cataloged in the U.S. Government catalog under NSN 5360-00-316-3607. This indicates validated use in U.S. government and defense supply chains.

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S1257684 — SPRING,HELICAL,EXTENSION

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