The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-295-4085, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-295-4085 |
| Primary Part Number | 91S2-13W |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-81562,CL 2,TY 2 MIL SPEC ALL TREATMENT RESPONSES WASHER |
| Surface Treatment Document and Classification | QQ-P-416,CL 2,TY 2 FED SPEC SINGLE TREATMENT RESPONSE STUD |
| Head Length | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.395 INCHES MINIMUM AND 0.424 INCHES MAXIMUM IN |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES STUD |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES WASHER |
| Material Document and Classification | ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE PIN |
| Stud Head Height | 0.900 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN |
| Securing Device Type | WASHER |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.833 INCHES NOMINAL IN |
| Turnlock Stud Head Style | STUD HEAD |
| Surface Treatment | CADMIUM AND CHROMATE STUD |
| Surface Treatment | CADMIUM AND CHROMATE AND TIN AND ZINC WASHER |
| Material | STEEL PIN |
| Material | STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OR STEEL COMP 1040 STUD |
| Material | STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OR STEEL COMP 1040 WASHER |
| Stud Assembly Style | STUD ASSEMBLY |
| Stud Diameter | 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM 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 |
|---|---|
| 91S2-13W PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 5262866-001 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 5325-01-295-4085 is a Stud Assembly,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-295-4085 has 1 manufacturer part number on file: 91S2-13W (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for 91S2-13W: Surface Treatment Document and Classification: MIL-C-81562,CL 2,TY 2 MIL SPEC ALL TREATMENT RESPONSES WASHER; Surface Treatment Document and Classification: QQ-P-416,CL 2,TY 2 FED SPEC SINGLE TREATMENT RESPONSE STUD; Head Length: 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN; Drive Type: SLOTTED. 19 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.