The Spring,helical,compression, cataloged under National Stock Number 5360-00-176-0445, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-176-0445 |
| Primary Part Number | 11639643 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Spring Free Outside Diameter | 4.420 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | BTT-E-489 FED SPEC 1ST TREATMENT RESPONSE OR TT-E-529 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Load Rating | 337.000 POUNDS NOMINAL LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 5.420 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 12.900 INCHES NOMINAL IN |
| Spring Deflection Rate | 337.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM IN |
| Spring Length Under Load | 1.000 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 4.420 INCHES NOMINAL IN |
| Coil Quantity | 9 |
| Surface Treatment | ENAMEL OR ENAMEL SEMIGLOSS OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL COMP 5160 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11639643 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5360001760445 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5360-00-176-0445 is a Spring,helical,compression, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-176-0445 has 1 manufacturer part number on file: 11639643 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11639643: Spring Free Outside Diameter: 4.420 INCHES NOMINAL IN; Surface Treatment Document and Classification: BTT-E-489 FED SPEC 1ST TREATMENT RESPONSE OR TT-E-529 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Load Rating: 337.000 POUNDS NOMINAL LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.