The Spring,helical,compression, cataloged under National Stock Number 5360-00-946-6973, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Hornet Acquisitionco, Llc Dba Onboard Systems. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-946-6973 |
| Primary Part Number | 9-0806-219 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.500 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.900 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.500 INCHES NOMINAL IN |
| Inside Diameter | 0.281 INCHES NOMINAL IN |
| Coil Quantity | 12 |
| Surface Treatment | ENAMEL OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| 9-0806-219 | Danly Machine Corp (USA) |
| 9-0806-219 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 9-0806-219 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 9-0806-219 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 5360PL2140144 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 9-0806-21 | 5/9 Secondary reference Capital Air Filter Corp |
| 9-0806-219 | 5/9 Secondary reference Goodrich Corporation |
| 9-0806-21 | 5/9 Secondary reference Danly Machine Corp |
NSN 5360-00-946-6973 is a Spring,helical,compression, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-946-6973 has 4 manufacturer part numbers on file: 9-0806-219 (Danly Machine Corp), 9-0806-219 (Leonardo Spa Helicopters Division - Production Site), 9-0806-219 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 9-0806-219 (Hornet Acquisitionco, Llc Dba Onboard Systems).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-578-3822. Verify interchangeability with system specifications before substitution.
Key specifications for 9-0806-219: Spring Free Outside Diameter: 0.500 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.900 INCHES NOMINAL 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.