The Spring,helical,torsion, cataloged under National Stock Number 5360-01-220-6346, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Pacific Scientific Energetic Materials Company (california Llc). Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-220-6346 |
| Primary Part Number | 820654-2 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Pacific Scientific Energetic Materials Company (california Llc) |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.312 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY2,CL2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| End Style | ONE HOOK END BOTH ENDS |
| End Length | 0.375 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.406 INCHES NOMINAL IN |
| Inside Diameter | 0.212 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN |
| Coil Quantity | 10-1/2 |
| Surface Treatment | CHROMATE OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| End Angular Relationship | ENDS PARALLEL ONE TO OTHER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5360-01-220-6346 is a Spring,helical,torsion, manufactured by Pacific Scientific Energetic Materials Company (california Llc), classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-220-6346 has 2 manufacturer part numbers on file: 820654-2 (Pacific Scientific Energetic Materials Company (california Llc)), 549027-2 (Capewell Aerial Systems Llc).
Key specifications for 820654-2: Spring Free Outside Diameter: 0.312 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY2,CL2 FED SPEC ALL TREATMENT RESPONSES OVERALL; End Style: ONE HOOK END BOTH ENDS; End Length: 0.375 INCHES NOMINAL BOTH ENDS IN. 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.