The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-173-3773, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-173-3773 |
| Primary Part Number | 0098-LL-TJ2-2557 |
| 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 1,CL 1 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TY 2,CL 1 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Head Length | 1.120 INCHES NOMINAL IN |
| Drive Type | SOCKET |
| Material Accommodated Thickness | 0.350 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Stud Head Height | 0.440 INCHES NOMINAL IN |
| Shank Neck Length | 0.465 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FILLISTER SINGLE WING |
| Stud Shank Major Diameter | 0.280 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR CADMIUM AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.620 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 |
|---|---|
| 0098-LL-TJ2-2557 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5189396 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 85-10-360-16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-173-3773 is a Stud,turnlock Fastener, manufactured by Naval Sea Systems Command, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-173-3773 has 1 manufacturer part number on file: 0098-LL-TJ2-2557 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-321-0608. Verify interchangeability with system specifications before substitution.
Key specifications for 0098-LL-TJ2-2557: Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 1 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TY 2,CL 1 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Head Length: 1.120 INCHES NOMINAL IN; Drive Type: SOCKET; Material Accommodated Thickness: 0.350 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN. 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.