The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-047-0509, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-047-0509 |
| Primary Part Number | FJ3-40-SS |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Diameter | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Shank Neck Length | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Securing Device Type | SPRING |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.182 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Grip Length | 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM 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 |
|---|---|
| FJ3-40-SS PRIMARY | Southco Inc (USA) |
| Reference | Meaning |
|---|---|
| 11078-005 | 5/9 Secondary reference Astronautics Corporation of America |
NSN 5325-01-047-0509 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-047-0509 has 1 manufacturer part number on file: FJ3-40-SS (Southco Inc).
Key specifications for FJ3-40-SS: Surface Treatment Document and Classification: QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL; Drive Type: SLOTTED; Material Accommodated Thickness: 0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK. 13 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.