The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-321-8785, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Southco Inc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-321-8785 |
| Primary Part Number | 316-113-190 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B633,FE/ZN 25 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | SLOTTED |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.470 INCHES NOMINAL IN |
| Securing Device Type | WASHER |
| Turnlock Stud Head Style | FILLISTER |
| Stud Shank Major Diameter | 0.236 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL COMP 1010 OVERALL |
| Grip Length | 0.510 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 |
|---|---|
| 316-113-190 PRIMARY | Southco Inc (USA) |
NSN 5325-01-321-8785 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-321-8785 has 1 manufacturer part number on file: 316-113-190 (Southco Inc).
Key specifications for 316-113-190: Surface Treatment Document and Classification: ASTM B633,FE/ZN 25 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Drive Type: SLOTTED; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Diameter: 0.470 INCHES NOMINAL IN. 10 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.