The Spring,helical,torsion, cataloged under National Stock Number 5360-00-343-8802, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 17 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 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 | 5360-00-343-8802 |
| Primary Part Number | 691-653 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Second Bend Radius | 0.050 INCHES NOMINAL SECOND END IN |
| Spring Free Outside Diameter | 0.176 INCHES NOMINAL IN |
| End Style | MACHINE LOOP END FIRST END |
| End Style | CURVED END SECOND END |
| End Length | 0.656 INCHES NOMINAL SECOND END IN |
| End Length | 0.214 INCHES NOMINAL FIRST END IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.090 INCHES NOMINAL IN |
| First Bend Radius | 0.031 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.156 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN |
| Stock Diameter | 0.010 INCHES NOMINAL IN |
| Coil Quantity | 5-1/2 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.011 INCHES NOMINAL FIRST END IN |
| Hook Leg Length | 0.060 INCHES NOMINAL FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5360-00-343-8802 is a Spring,helical,torsion, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-343-8802 has 2 manufacturer part numbers on file: 77469 (Eastman Kodak Co), 691-653 (Bae Systems Information and Electronic Systems Integration Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-167-4000. Verify interchangeability with system specifications before substitution.
Key specifications for 691-653: Second Bend Radius: 0.050 INCHES NOMINAL SECOND END IN; Spring Free Outside Diameter: 0.176 INCHES NOMINAL IN; End Style: MACHINE LOOP END FIRST END; End Style: CURVED END SECOND END. 17 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.