The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-028-4866, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-028-4866 |
| Primary Part Number | 26S37-10 |
| 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 | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Head Length | 0.700 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Eyelet Outside Diameter | 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Material Accommodated Thickness | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING |
| Material Document and Classification | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Stud Head Height | 0.360 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Securing Device Type | SPRING |
| Distance From Engaging Member to Largest Bearing Surface of Head | 1.010 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FILLISTER WING |
| Surface Treatment | NICKEL OVERALL |
| Material | STEEL STUD |
| Material | STEEL EJECTOR SPRING |
| Material | STEEL PIN |
| Stud Assembly Style | STUD ASSEMBLY |
| 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 |
|---|---|
| 26S37-10 PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| Reference | Meaning |
|---|---|
| 012-4947-100 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5325-01-028-4866 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 5325-01-028-4866 has 1 manufacturer part number on file: 26S37-10 (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 26S37-10: Surface Treatment Document and Classification: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Head Length: 0.700 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN; Eyelet Outside Diameter: 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN; Material Accommodated Thickness: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 16 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.