The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-625-3880, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-625-3880 |
| Primary Part Number | 40S5-12S |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A967 ASSN STD SINGLE TREATMENT RESPONSE OR AMS2700 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Eyelet Outside Diameter | 0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Drive Type | CROSS RECESS |
| Material Accommodated Thickness | 0.261 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Material Document and Classification | 300 SERIES IAW ASTM A276 OR ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STUD |
| Material Document and Classification | ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE PIN |
| Diameter | 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN |
| Stud Head Height | 0.102 INCHES NOMINAL IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.713 INCHES MINIMUM AND 0.723 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | STUD HEAD |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING STUD |
| Material | STEEL COMP 302 PIN |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.502 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 |
|---|---|
| 40S5-12S PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| Reference | Meaning |
|---|---|
| 40S5 | D/9 Drawing number reference only Howmet Global Fastening Systems Inc Div Camloc Products |
NSN 5325-01-625-3880 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 5325-01-625-3880 has 1 manufacturer part number on file: 40S5-12S (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 40S5-12S: Surface Treatment Document and Classification: ASTM A967 ASSN STD SINGLE TREATMENT RESPONSE OR AMS2700 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Eyelet Outside Diameter: 0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN; Drive Type: CROSS RECESS; Material Accommodated Thickness: 0.261 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN. 15 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.