The Spring,helical,compression, cataloged under National Stock Number 5360-01-132-5972, 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 Corp Electronics and Missiles Div. Government technical data includes 14 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 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 | 5360-01-132-5972 |
| Primary Part Number | 143623 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.305 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Load Rating | 6.800 POUNDS MINIMUM AND 9.200 POUNDS MAXIMUM LBS |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.235 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.464 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Spring Deflection Rate | 64.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.233 INCHES NOMINAL IN |
| Spring Length Under Load | 0.359 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| 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 |
|---|---|
| 143623 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 5360-01-132-5972 is a Spring,helical,compression, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-132-5972 has 1 manufacturer part number on file: 143623 (Lockheed Martin Corp Electronics and Missiles Div).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-697-8188. Verify interchangeability with system specifications before substitution.
Key specifications for 143623: Spring Free Outside Diameter: 0.305 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Load Rating: 6.800 POUNDS MINIMUM AND 9.200 POUNDS MAXIMUM LBS; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS. 14 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.