The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-660-5343, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-660-5343 |
| Primary Part Number | 28S14-8 |
| 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 | 0.519 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Drive Type | CROSS RECESS |
| Material Document and Classification | ASTM-A109/A109M NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE HEAD |
| Material Document and Classification | ASTM-A240/A240M NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE WASHER |
| Material Document and Classification | SAE-AMS6300 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR ASTM-A331 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR ASTM-A752 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR SAE-AMS6322 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE STUD |
| Diameter | 0.302 INCHES NOMINAL IN |
| Stud Head Height | 0.092 INCHES NOMINAL IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FLAT FILLISTER |
| Surface Treatment | PASSIVATE WASHER |
| Surface Treatment | CADMIUM CAP |
| Surface Treatment | CADMIUM HEAD |
| Surface Treatment | PASSIVATE EJECTOR SPRING |
| Material | STEEL HEAD |
| Material | STEEL CORROSION RESISTING WASHER |
| Material | STEEL CORROSION RESISTING EJECTOR SPRING |
| Material | STEEL COMP 4037 OR STEEL COMP 8740 STUD |
| Stud Diameter | 0.124 INCHES MINIMUM AND 0.140 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 |
|---|---|
| 28S14-8 PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| Reference | Meaning |
|---|---|
| 28S14 | D/9 Drawing number reference only Howmet Global Fastening Systems Inc Div Camloc Products |
NSN 5325-01-660-5343 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 5325-01-660-5343 has 1 manufacturer part number on file: 28S14-8 (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 28S14-8: Eyelet Outside Diameter: 0.519 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN; Drive Type: CROSS RECESS; Material Document and Classification: ASTM-A109/A109M NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE HEAD; Material Document and Classification: ASTM-A240/A240M NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE WASHER. 18 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.