The Fastener,turnbutton, cataloged under National Stock Number 5325-00-072-0125, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5325-00-072-0125 |
| Item Name | Fastener,turnbutton |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Button Thickness | 0.312 INCHES NOMINAL IN |
| Center to Center Distance Between Stud Holes | 0.875 INCHES NOMINAL IN |
| Turnbutton Stud Style | SCREW BASE |
| Stud Hole Diameter | 0.156 INCHES NOMINAL IN |
| Socket Accommodated Quantity | 1 |
| Button Width | 0.531 INCHES NOMINAL IN |
| Turnbutton Socket Style | SOCKET |
| Base Width | 0.469 INCHES NOMINAL IN |
| Base Length | 1.250 INCHES NOMINAL IN |
| Height | 0.688 INCHES NOMINAL IN |
| Surface Treatment | OXIDE FILM OVERALL |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| XX78322-K5000 | 5/9 Secondary reference U.S. Government activity |
| 549221 | 5/9 Secondary reference Army Weapons Command Attn Amswe-Ree-S |
| 42 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-00-072-0125 is a Fastener,turnbutton, classified under FSC 5325, Fastening Devices. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5325-00-282-7438, 3040-00-783-4651, 6210-01-267-5486. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-00-072-0125: Button Thickness: 0.312 INCHES NOMINAL IN; Center to Center Distance Between Stud Holes: 0.875 INCHES NOMINAL IN; Turnbutton Stud Style: SCREW BASE; Stud Hole Diameter: 0.156 INCHES NOMINAL IN. 12 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.