The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-271-5203, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div Camloc Products. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-271-5203 |
| Primary Part Number | 80S01-4-2AA |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Eyelet Outside Diameter | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Drive Type | CROSS RECESS |
| Material Accommodated Thickness | 0.131 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.486 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Securing Device Type | RING |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.740 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 8740 OVERALL |
| Stud Thread Size and Series/type Designator | 0.250-28 UNF |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.620 INCHES MAXIMUM 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 |
|---|---|
| 80S01-4-2AA PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
NSN 5325-01-271-5203 is a Stud Assembly,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-271-5203 has 1 manufacturer part number on file: 80S01-4-2AA (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 80S01-4-2AA: Eyelet Outside Diameter: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN; Drive Type: CROSS RECESS; Material Accommodated Thickness: 0.131 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.