The Fastener,spring Tension,trim, cataloged under National Stock Number 5325-00-449-3638, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-449-3638 |
| Item Name | Fastener,spring Tension,trim |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Length From Head to Shoulder | 0.250 INCHES NOMINAL IN |
| Fastener Outside Diameter | 0.594 INCHES NOMINAL IN |
| Fastener Style | TENSION |
| Largest Prong Width | 0.290 INCHES NOMINAL IN |
| Material | STEEL CAP |
| Fastener Overall Length | 0.562 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 49319 | 3/9 Design control — primary reference Trw Assemblies and Fasteners Group |
NSN 5325-00-449-3638 is a Fastener,spring Tension,trim, classified under FSC 5325, Fastening Devices. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5340-01-371-6070, 5930-01-450-5580, 6110-01-522-0384. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-00-449-3638: Head Height: 0.125 INCHES NOMINAL IN; Length From Head to Shoulder: 0.250 INCHES NOMINAL IN; Fastener Outside Diameter: 0.594 INCHES NOMINAL IN; Fastener Style: TENSION. 7 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.