Spring, Helical, Extension5360-00-099-4657

NSN 5360-00-099-4657 · NIIN 000994657

FSC 5360 — Coil, Flat, Leaf, and Wire Springs · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5360-00-099-4657 · 5360000994657 · NIIN 000994657 · 00-099-4657 · FSC 5360 Coil, Flat, Leaf, and Wire Springs

Nearby stock numbers ← 5360-00-099-0641 · 5360-00-099-5681 Spring, Hoist Chain →

Features

Spring,helical,extension — FSC 5360
Spring Free Outside Diameter: 0.215 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
End Style: MACHINE LOOP BOTH ENDS
Design Type: CLOSED
Style Designator: CYLINDRICAL
Opening Width: 0.078 INCHES NOMINAL BOTH ENDS IN
Spring Free Length: 0.332 INCHES MINIMUM AND 0.402 INCHES MAXIMUM IN
Inside Diameter: 0.133 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN

Identification

NSN: 5360-00-099-4657
NIIN: 000994657
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
FSG: 53 — Hardware and Abrasives

General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-099-4657, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5360-00-099-4657
Item Name	Spring,helical,extension
FSC / FSG	5360 / 53 — Coil, Flat, Leaf, and Wire Springs
Status	ACTIVE
Spring Free Outside Diameter	0.215 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
End Style	MACHINE LOOP BOTH ENDS
Design Type	CLOSED
Style Designator	CYLINDRICAL
Opening Width	0.078 INCHES NOMINAL BOTH ENDS IN
Spring Free Length	0.332 INCHES MINIMUM AND 0.402 INCHES MAXIMUM IN
Inside Diameter	0.133 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
Coil Quantity	10
Coil Helix Direction	RIGHT-HAND OR LEFT-HAND

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
0-3903-21	3/9 Design control — primary reference American Seating Company Dba Secura

No interchangeability data on file.

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

SPRING,HELICAL,COMPRESSION

5360-00-001-1945

5360-00-001-1945 · Item name not on file

5360-00-001-2010

SPRING,HELICAL,EXTENSION

5360-00-001-3865

5360-00-001-3865 · Item name not on file

5360-00-001-3950

5360-00-001-3950 · Item name not on file

5360-00-001-4650

SPRING,HELICAL,COMPRESSION

5360-00-001-4664

SPRING,CONSTANT TO

5360-00-001-4703

5360-00-001-4703 · Item name not on file

Frequently Asked Questions

What is NSN 5360-00-099-4657?

NSN 5360-00-099-4657 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.

What are the specifications of 5360-00-099-4657?

Key specifications for 5360-00-099-4657: Spring Free Outside Diameter: 0.215 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; End Style: MACHINE LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5360-00-099-4657 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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