The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-280-6943, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Cubic Communications Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-280-6943 |
| Primary Part Number | 254-253 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Cubic Communications Inc |
| Status | ACTIVE |
| Drive Type | CROSS RECESS |
| Material Accommodated Thickness | 0.110 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.375 INCHES NOMINAL IN |
| Shank Neck Length | 0.147 INCHES NOMINAL IN |
| Securing Device Type | WASHER |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.240 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Grip Length | 0.265 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 |
| Part Number | Manufacturer |
|---|---|
| 254-253 | Cubic Communications Inc (USA) |
| Reference | Meaning |
|---|---|
| 82-28-120-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-280-6943 is a Stud,turnlock Fastener, manufactured by Cubic Communications Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-280-6943 has 1 manufacturer part number on file: 254-253 (Cubic Communications Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-475-4383. Verify interchangeability with system specifications before substitution.
Key specifications for 254-253: Drive Type: CROSS RECESS; Material Accommodated Thickness: 0.110 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.375 INCHES NOMINAL IN. 11 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.