The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-017-9591, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Div Huck Products Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-017-9591 |
| Primary Part Number | PL500-1-3 |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RECEPTACLE |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RETAINER |
| Extended Washer Diameter | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE RETAINER |
| Diameter | 0.375 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FLAT FILLISTER W/EXTENDED WASHER |
| Surface Treatment | CADMIUM AND CHROMATE RETAINER |
| Surface Treatment | CADMIUM AND CHROMATE RECEPTACLE |
| Material | STEEL CORROSION RESISTING STUD |
| Material | STEEL COMP 1010 RETAINER |
| Material | STEEL COMP 1075 OR STEEL COMP 1095 RECEPTACLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5325-01-017-9591 is a Stud Assembly,turnlock Fastener, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-017-9591 has 2 manufacturer part numbers on file: PL500-1-3 (Howmet Fixations Simmonds SAS), PL500-1-3 (Huck International, Inc. Div Huck Products Division).
Key specifications for PL500-1-3: Surface Treatment Document and Classification: QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RECEPTACLE; Surface Treatment Document and Classification: QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RETAINER; Extended Washer Diameter: 0.625 INCHES NOMINAL IN; Material Document and Classification: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE RETAINER. 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.