The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-042-6567, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-00-042-6567 |
| Primary Part Number | 202-183-1 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.064 INCHES NOMINAL IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Material Document and Classification | QQ-S-633,COMP FS1118 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Stud Head Height | 0.062 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT FILLISTER |
| Stud Shank Major Diameter | 0.213 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minor Diameter Length | 0.270 INCHES NOMINAL IN |
| Minor Diameter | 0.196 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Grip Length | 0.110 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 |
|---|---|
| 202-183-1 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 2302821-1 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5325-00-042-6567 is a Stud,turnlock Fastener, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-042-6567 has 1 manufacturer part number on file: 202-183-1 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 202-183-1: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Type: SLOTTED; Material Accommodated Thickness: 0.064 INCHES NOMINAL IN; Turnlock Stud Shank Style: STUD SHANK. 14 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.