The Spring,helical,compression, cataloged under National Stock Number 1005-01-644-3949, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1005-01-644-3949 |
| Primary Part Number | 7662432 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 20.5 MILLIMETERS NOMINAL MM |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 22.1 MILLIMETERS NOMINAL MM |
| Active Coil Quantity | 6 |
| Spring Free Length | 48.0 MILLIMETERS NOMINAL MM |
| Stock Diameter | 2.5 MILLIMETERS NOMINAL MM |
| Coil Quantity | 8.5 |
| Surface Treatment | ALUMINUM ALLOY OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7662432 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 7662432 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 1005-01-644-3949 is a Spring,helical,compression, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-644-3949 has 1 manufacturer part number on file: 7662432 (Bae Systems Land & Armaments L.p.).
Key specifications for 7662432: Spring Free Outside Diameter: 20.5 MILLIMETERS NOMINAL MM; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 22.1 MILLIMETERS NOMINAL MM; Active Coil Quantity: 6. 9 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.
NSN 1005-01-644-3949 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.