The Spring,helical,torsion, cataloged under National Stock Number 5360-00-616-0544, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. 4 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 | 5360-00-616-0544 |
| Primary Part Number | 1028803 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.620 INCHES NOMINAL IN |
| End Style | STRAIGHT OFFSET FIRST END |
| End Style | CURVED END SECOND END |
| End Length | 0.380 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 2.600 INCHES MINIMUM AND 2.850 INCHES MAXIMUM IN |
| Inside Diameter | 0.562 INCHES NOMINAL IN |
| Coil Quantity | 36 |
| Surface Treatment | OXIDE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.045 INCHES NOMINAL OVERALL IN |
| Hook Opening Width | 0.060 INCHES NOMINAL OVERALL 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 5360-00-616-0544 is a Spring,helical,torsion, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-616-0544 has 2 manufacturer part numbers on file: 1028803 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 01-162 (Lockheed Martin Corporation Div Rms - Mitchel Field).
4 possible matches (shared part number, not a government interchangeability claim): 4940-01-438-4074, 5305-01-561-8900, 5210-01-562-4179. Verify interchangeability with system specifications before substitution.
Key specifications for 1028803: Spring Free Outside Diameter: 0.620 INCHES NOMINAL IN; End Style: STRAIGHT OFFSET FIRST END; End Style: CURVED END SECOND END; End Length: 0.380 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.