The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-945-4645, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-00-945-4645 |
| Primary Part Number | 505104-16 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.601 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.310 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FILLISTER |
| Stud Shank Major Diameter | 0.188 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.760 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 |
|---|---|
| 505104-16 PRIMARY | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| 5189139-002 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| UA3T65 | 5/9 Secondary reference Southco Inc |
NSN 5325-00-945-4645 is a Stud,turnlock Fastener, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-945-4645 has 2 manufacturer part numbers on file: 505104-16 (L3harris Technologies, Inc. Dba Harris Corporation), 5189139-002 (Naval Sea Systems Command).
Key specifications for 505104-16: Drive Type: SLOTTED; Material Accommodated Thickness: 0.601 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.310 INCHES NOMINAL IN. 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.