The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-255-9553, 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 Camloc Products. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-255-9553 |
| Primary Part Number | 91S2-30W0 |
| Item Name | Stud Assembly,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE STUD |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE HEAD |
| Surface Treatment Document and Classification | MIL-C-81562,TY 2,CL 2 MIL SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE WASHER |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE PIN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN |
| Material Document and Classification | ASTM A109 ASSN STD SINGLE MATERIAL RESPONSE HEAD |
| Material Document and Classification | ASTM A545 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Material Document and Classification | ASTM A684 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| Stud Head Height | 0.900 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FLAT FILLISTER SINGLE WING |
| Surface Treatment | CADMIUM AND CHROMATE HEAD |
| Surface Treatment | CADMIUM AND CHROMATE STUD |
| Surface Treatment | CADMIUM AND CHROMATE PIN |
| Surface Treatment | CADMIUM AND CHROMATE WASHER |
| Material | STEEL COMP 1009 HEAD |
| Material | STEEL PIN |
| Material | STEEL COMP 1010 STUD |
| Material | STEEL COMP 1075 OR STEEL COMP 1095 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 |
|---|---|
| 91S2-30W0 PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| Reference | Meaning |
|---|---|
| 10086426 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 13029322-3 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5325-01-255-9553 is a Stud Assembly,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-255-9553 has 1 manufacturer part number on file: 91S2-30W0 (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 91S2-30W0: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE STUD; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE HEAD; Surface Treatment Document and Classification: MIL-C-81562,TY 2,CL 2 MIL SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE WASHER; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE PIN. 20 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.