The Spring,helical,torsion, cataloged under National Stock Number 5360-00-994-3443, 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 Land & Armaments L.p.. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-994-3443 |
| Primary Part Number | BUWEPSDWG2123663 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.177 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | STRAIGHT OFFSET SECOND END |
| End Style | ONE HOOK END FIRST END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.196 INCHES NOMINAL IN |
| Inside Diameter | 0.125 INCHES NOMINAL IN |
| Coil Quantity | 6-1/4 |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| 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 |
|---|---|
| BUWEPSDWG2123663 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 2123663 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5360-00-994-3443 is a Spring,helical,torsion, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-994-3443 has 1 manufacturer part number on file: BUWEPSDWG2123663 (Bae Systems Land & Armaments L.p.).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-643-7249. Verify interchangeability with system specifications before substitution.
Key specifications for BUWEPSDWG2123663: Spring Free Outside Diameter: 0.177 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-Z-325,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: STRAIGHT OFFSET SECOND END; End Style: ONE HOOK END FIRST END. 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.