The Spring,helical,compression, cataloged under National Stock Number 5360-00-603-1982, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-603-1982 |
| Primary Part Number | 521126 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.309 INCHES NOMINAL IN |
| Load Rating | 1.000 POUNDS NOMINAL LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.342 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 0.519 INCHES NOMINAL IN |
| Inside Diameter | 0.235 INCHES NOMINAL IN |
| Spring Length Under Load | 0.466 INCHES NOMINAL IN |
| Coil Quantity | 9 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
NSN 5360-00-603-1982 is a Spring,helical,compression, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-603-1982 has 2 manufacturer part numbers on file: 521126 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 521126 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 521126: Spring Free Outside Diameter: 0.309 INCHES NOMINAL IN; Load Rating: 1.000 POUNDS NOMINAL LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.342 INCHES NOMINAL IN. 11 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.
NSN 5360-00-603-1982 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.