The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-672-9943, 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 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-672-9943 |
| Primary Part Number | 40S128-24-2AA |
| 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 | AMS-QQ-P-35 NATIONAL STD SINGLE TREATMENT RESPONSE METALLIC PARTS |
| Eyelet Outside Diameter | 0.369 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN |
| Drive Type | SLOTTED |
| Material Document and Classification | AMS-QQ-S-763 NATIONAL STD SINGLE MATERIAL RESPONSE OR ASTM A580 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE METALLIC PARTS |
| Diameter | 0.435 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 1.273 INCHES MINIMUM AND 1.283 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FILLISTER |
| Surface Treatment | PASSIVATE METALLIC PARTS |
| Material | STEEL CORROSION RESISTING OR STEEL COMP 302 METALLIC PARTS |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.458 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 |
|---|---|
| SK40S128-24-2AA | Skybolt Aeromotive Corp. Dba Skybolt Aeromotive Corp (USA) |
| 40S128-24-2AA PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
NSN 5325-01-672-9943 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 5325-01-672-9943 has 2 manufacturer part numbers on file: SK40S128-24-2AA (Skybolt Aeromotive Corp. Dba Skybolt Aeromotive Corp), 40S128-24-2AA (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 40S128-24-2AA: Surface Treatment Document and Classification: AMS-QQ-P-35 NATIONAL STD SINGLE TREATMENT RESPONSE METALLIC PARTS; Eyelet Outside Diameter: 0.369 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN; Drive Type: SLOTTED; Material Document and Classification: AMS-QQ-S-763 NATIONAL STD SINGLE MATERIAL RESPONSE OR ASTM A580 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE METALLIC PARTS. 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.