The Spring,helical,extension, cataloged under National Stock Number 5360-00-373-9563, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-373-9563 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN |
| Load Rating | 0.188 POUNDS NOMINAL LBS |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.016 INCHES MINIMUM AND 0.046 INCHES MAXIMUM BOTH ENDS IN |
| Spring Free Length | 1.409 INCHES NOMINAL IN |
| Inside Diameter | 0.179 INCHES NOMINAL IN |
| Stock Diameter | 0.017 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Spring Length Under Load | 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| Hook Radius | 0.090 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 58108 | C/1 Advisory reference — outside the item-of-supply concept Cae Usa Inc. |
| 58108 | 3/9 Design control — primary reference Raytheon Technical Services Company |
NSN 5360-00-373-9563 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5120-01-430-8162, 5310-01-540-1441. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-373-9563: Spring Free Outside Diameter: 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN; Load Rating: 0.188 POUNDS NOMINAL LBS; End Style: RAISED HOOK BOTH ENDS; Design Type: CLOSED. 13 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.