The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-397-1796, 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 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-397-1796 |
| Primary Part Number | 5S44-21-1AA |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Drive Type | CROSS RECESS |
| Diameter | 0.299 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.395 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 5S44-21-1AA PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| 5S44-21-1AA | Fairchild Fasteners Europe - Camloc Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 579R618H21 | 5/2 Secondary reference U.S. Government activity |
NSN 5325-00-397-1796 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 5325-00-397-1796 has 2 manufacturer part numbers on file: 5S44-21-1AA (Howmet Global Fastening Systems Inc Div Camloc Products), 5S44-21-1AA (Fairchild Fasteners Europe - Camloc Gmbh).
Key specifications for 5S44-21-1AA: Drive Type: CROSS RECESS; Diameter: 0.299 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Distance From Engaging Member to Largest Bearing Surface of Head: 0.395 INCHES NOMINAL IN; Turnlock Stud Head Style: FLAT COUNTERSUNK. 6 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.