The Spring,helical,compression, cataloged under National Stock Number 5360-00-451-0059, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-451-0059 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | SPRING END,GROUND BOTH ENDS |
| Spring Solid Length | 0.146 INCHES MAXIMUM IN |
| Accommodated Rod Diameter | 0.093 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.438 INCHES NOMINAL IN |
| Inside Diameter | 0.119 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN |
| Coil Quantity | 5 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.185 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Material | STEEL UNS K08500 OVERALL |
| 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 |
|---|---|
| 21218-1 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 21218-1 | 5/9 Secondary reference Unison Industries Llc |
| 21218-1 | C/1 Advisory reference — outside the item-of-supply concept Amphenol Corporation Div Amphenol Rf |
| 21218-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-451-0059 is a Spring,helical,compression, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 2835-00-654-6727, 4820-01-573-8954. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-451-0059: Spring Free Outside Diameter: 0.175 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: SPRING END,GROUND BOTH ENDS; Spring Solid Length: 0.146 INCHES MAXIMUM IN. 14 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.