The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-669-5541, 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 4 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 | 5325-01-669-5541 |
| Primary Part Number | 40S41-5SC |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Drive Type | CROSS RECESS |
| Turnlock Stud Head Style | STUD HEAD |
| 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 |
|---|---|
| 40S41-5SC PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
NSN 5325-01-669-5541 is a Stud,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-669-5541 has 1 manufacturer part number on file: 40S41-5SC (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 40S41-5SC: Drive Type: CROSS RECESS; Turnlock Stud Head Style: STUD HEAD; Special Features: MAX SERVICE TEMP 550 DEG F; MIN PRELOAD 50 LBS; STUD GRIP INCREMENTS 0.030 INC; WORKING STRENTH 500 LBS; ULTIMATE TENSILE STRENGTH 735 LBS; OVERALL (HEAD) DIAMETER .377-.384; OVERALL LENGTH .080; STUD DIAMETER FROM .166 TO .171 LBS; Surface Treatment: PASSIVATE OVERALL. 4 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.