The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-677-4182, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Illinois Tool Works Inc Fastex Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-677-4182 |
| Primary Part Number | 9621-51-00-0243 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Illinois Tool Works Inc Fastex Div |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE ILL,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | SLOTTED |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.344 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.167 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.574 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 |
|---|---|
| 9621-51-00-0243 PRIMARY | Illinois Tool Works Inc Fastex Div (USA) |
| Reference | Meaning |
|---|---|
| 1788025 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5325-00-677-4182 is a Stud,turnlock Fastener, manufactured by Illinois Tool Works Inc Fastex Div, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-677-4182 has 1 manufacturer part number on file: 9621-51-00-0243 (Illinois Tool Works Inc Fastex Div).
Key specifications for 9621-51-00-0243: Surface Treatment Document and Classification: QQ-P-416,TYPE ILL,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Type: SLOTTED; Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.344 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.