The Spring,helical,torsion, cataloged under National Stock Number 5360-01-039-2786, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Government. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-039-2786 |
| Primary Part Number | 298-8643-1 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Government |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.272 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN |
| End Style | STRAIGHT BEND END (RIGHT) OVERALL |
| End Length | 1.000 INCHES MINIMUM AND 1.060 INCHES MAXIMUM BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.330 INCHES NOMINAL IN |
| Inside Diameter | 0.200 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| End Length From First Bend to Second Bend or End | 0.450 INCHES MINIMUM AND 0.550 INCHES MAXIMUM OVERALL IN |
| Coil Quantity | 8 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| End Angular Relationship | ENDS ANGLED 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 |
| Part Number | Manufacturer |
|---|---|
| 298-8643-1 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Government (USA) |
| Reference | Meaning |
|---|---|
| 298-8643-1 | 5/9 Secondary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions |
NSN 5360-01-039-2786 is a Spring,helical,torsion, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Government, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-039-2786 has 1 manufacturer part number on file: 298-8643-1 (Lockheed Martin Corporation Dba Lockheed Martin Government).
Key specifications for 298-8643-1: Spring Free Outside Diameter: 0.272 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN; End Style: STRAIGHT BEND END (RIGHT) OVERALL; End Length: 1.000 INCHES MINIMUM AND 1.060 INCHES MAXIMUM BOTH ENDS IN; Style Designator: SINGLE TORSION LEFT HAND. 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.