The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-155-4481, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-155-4481 |
| Primary Part Number | 5S56-8-6AA |
| 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 | MIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE RETAINER |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PIN |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STUD |
| Eyelet Outside Diameter | 0.310 INCHES NOMINAL IN |
| Drive Type | CROSS RECESS |
| Material Accommodated Thickness | 0.110 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE STUD |
| Material Document and Classification | MIL-W-46078 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-W-423 COMP 321 FED SPEC SINGLE MATERIAL RESPONSE PIN |
| Diameter | 0.294 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.230 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FILLISTER |
| Surface Treatment | PASSIVATE PIN |
| Surface Treatment | ANODIZE RETAINER |
| Material | ALUMINUM ALLOY 7075 RETAINER |
| Material | STEEL COMP 302 STUD |
| Material | STEEL COMP 302 PIN |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.140 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 |
|---|---|
| 5S56-8-6AA PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| Reference | Meaning |
|---|---|
| 971262-2C | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5325-01-155-4481 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 5325-01-155-4481 has 1 manufacturer part number on file: 5S56-8-6AA (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 5S56-8-6AA: Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE RETAINER; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PIN; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STUD; Eyelet Outside Diameter: 0.310 INCHES NOMINAL IN. 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.