2973ITEM23 — SPRING,HELICAL,EXTENSION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

2973ITEM23: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: MACHINE LOOP SECOND END, design_type: CLOSED, coil_quantity: 20, opening_width: 0.125 INCHES NOMINAL SECOND END IN, inside_diameter: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-314-6610, 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

2973ITEM23

NSN: 5360-00-314-6610
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 15605 — EATON CORP OPNS & TECHNICAL CENTER (USA)

SPECIFICATIONS

material	STEEL OVERALL
end_style	MACHINE LOOP SECOND END
design_type	CLOSED
coil_quantity	20
opening_width	0.125 INCHES NOMINAL SECOND END IN
inside_diameter	0.375 INCHES NOMINAL IN
style_designator	CYLINDRICAL
surface_treatment	ZINC OVERALL
spring_free_length	3.125 INCHES NOMINAL IN
coil_helix_direction	RIGHT-HAND OR LEFT-HAND
coil_to_hook_inside_length	0.625 INCHES NOMINAL SECOND END IN
spring_free_outside_diameter	0.559 INCHES NOMINAL IN
NSN	5360-00-314-6610

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 0.559 INCHES NOMINAL IN

•

END STYLE: MACHINE LOOP SECOND END

•

DESIGN TYPE: CLOSED

•

STYLE DESIGNATOR: CYLINDRICAL

•

OPENING WIDTH: 0.125 INCHES NOMINAL SECOND END IN

•

SPRING FREE LENGTH: 3.125 INCHES NOMINAL IN

•

COIL TO HOOK INSIDE LENGTH: 0.625 INCHES NOMINAL SECOND END IN

TECHNICAL CHARACTERISTICS

SPRING FREE OUTSIDE DIAMETER	0.559 INCHES NOMINAL IN
END STYLE	MACHINE LOOP SECOND END
END STYLE	FULL LOOP FIRST END
DESIGN TYPE	CLOSED
STYLE DESIGNATOR	CYLINDRICAL
OPENING WIDTH	0.125 INCHES NOMINAL SECOND END IN
SPRING FREE LENGTH	3.125 INCHES NOMINAL IN
COIL TO HOOK INSIDE LENGTH	0.625 INCHES NOMINAL SECOND END IN
COIL TO HOOK INSIDE LENGTH	0.375 INCHES NOMINAL FIRST END IN
INSIDE DIAMETER	0.375 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 3

70403W1ITEM23Reference document

Same NSN cross-reference

Reference document — Secondary reference

73113W1ITEM50Reference document

Same NSN cross-reference

Reference document — Secondary reference

2897ITEM50Reference 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 2973ITEM23?

2973ITEM23 is a SPRING,HELICAL,EXTENSION.

What parts can replace 2973ITEM23?

There are 3 known substitutes for 2973ITEM23: 70403W1ITEM23, 73113W1ITEM50, 2897ITEM50. Substitute compatibility should be verified for your specific system.

What is the NSN for 2973ITEM23?

2973ITEM23 is cataloged in the U.S. Government catalog under NSN 5360-00-314-6610. This indicates validated use in U.S. government and defense supply chains.

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2973ITEM23 — SPRING,HELICAL,EXTENSION

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