The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-515-6816, 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 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-515-6816 |
| Primary Part Number | 307C6590-01-024 |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Material Accommodated Thickness | 0.187 INCHES NOMINAL IN |
| Diameter | 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Stud Head Height | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | STUD HEAD |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Stud Assembly Style | STUD ASSEMBLY |
| Stud Diameter | 0.215 INCHES NOMINAL IN |
| Eyelet Length | 0.190 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 |
|---|---|
| 307C6590-01-024 PRIMARY | Southco Inc (USA) |
| Reference | Meaning |
|---|---|
| 3506-SC51CP14-Z5B | 5/9 Secondary reference Harvard Industries |
| 307C6590-01 | D/9 Drawing number reference only U.S. Government activity |
| PFSC35-51CP14ZDB | 5/9 Secondary reference Automotive Fan and Bearing Co |
| 307C6590-01-024 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5325-01-515-6816 is a Stud Assembly,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-515-6816 has 1 manufacturer part number on file: 307C6590-01-024 (Southco Inc).
Key specifications for 307C6590-01-024: Material Accommodated Thickness: 0.187 INCHES NOMINAL IN; Diameter: 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN; Stud Head Height: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Turnlock Stud Head Style: STUD HEAD. 9 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.