The Spring,helical,compression, cataloged under National Stock Number 5360-00-211-8445, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace Llc. Government technical data includes 11 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. 3 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 | 5360-00-211-8445 |
| Primary Part Number | 21285 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Eaton Aerospace Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.271 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.405 INCHES MAXIMUM IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.996 INCHES NOMINAL IN |
| Spring Deflection Rate | 18.300 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.199 INCHES MINIMUM IN |
| Coil Quantity | 11 |
| 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 |
|---|---|
| 21285 PRIMARY | Eaton Aerospace Llc (USA) |
NSN 5360-00-211-8445 is a Spring,helical,compression, manufactured by Eaton Aerospace Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-211-8445 has 1 manufacturer part number on file: 21285 (Eaton Aerospace Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5950-00-542-1228, 5110-00-941-2707, 5305-01-143-8104. Verify interchangeability with system specifications before substitution.
Key specifications for 21285: Spring Free Outside Diameter: 0.271 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.405 INCHES MAXIMUM IN; Style Designator: CYLINDRICAL. 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.
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.