The Spring,helical,extension, cataloged under National Stock Number 5360-01-074-3639, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-074-3639 |
| Primary Part Number | 12286595 |
| Item Name | Spring,helical,extension |
| 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 | 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN |
| End Style | REDUCED CENTER LOOP BOTH ENDS |
| Design Type | OPEN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.915 INCHES MINIMUM AND 3.935 INCHES MAXIMUM IN |
| Inside Diameter | 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| Coil Quantity | 11-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 631 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 |
|---|---|
| 3-160-035-04 | Boeing Distribution Services X, Inc. (USA) |
| 12286595 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3-160-035-04 | 5/2 Secondary reference U.S. Government activity |
| 5360010743639 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 3-160-035-04 | 5/9 Secondary reference U.S. Government activity |
NSN 5360-01-074-3639 is a Spring,helical,extension, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-074-3639 has 2 manufacturer part numbers on file: 3-160-035-04 (Boeing Distribution Services X, Inc.), 12286595 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12286595: Spring Free Outside Diameter: 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN; End Style: REDUCED CENTER LOOP BOTH ENDS; Design Type: OPEN; Style Designator: CYLINDRICAL. 10 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.