The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-216-9635, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-216-9635 |
| Primary Part Number | 5189972 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | KNURLED |
| Turnlock Stud Shank Style | STUD SHANK |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.484 INCHES NOMINAL IN |
| Stud Head Height | 0.484 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT FILLISTER |
| Stud Shank Major Diameter | 0.243 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 1.770 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 |
|---|---|
| S4650-16-276 | Paneloc Corp the (USA) |
| 5189972 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5325PL1274527 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5189972 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company |
NSN 5325-01-216-9635 is a Stud,turnlock Fastener, manufactured by Naval Sea Systems Command, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-216-9635 has 2 manufacturer part numbers on file: S4650-16-276 (Paneloc Corp the), 5189972 (Naval Sea Systems Command).
Key specifications for 5189972: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Type: KNURLED; Turnlock Stud Shank Style: STUD SHANK; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.