The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-01-406-5553, 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 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-406-5553 |
| Primary Part Number | 26S13-A-7 |
| 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, CL2, TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Head Length | 0.840 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN |
| Eyelet Outside Diameter | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material Accommodated Thickness | 0.691 INCHES MINIMUM AND 0.706 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A547 ASSN STD SINGLE MATERIAL RESPONSE STUD |
| Material Document and Classification | ASTM A109 ASSN STD SINGLE MATERIAL RESPONSE EJECTOR SPRING |
| Material Document and Classification | ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE EYELET |
| Material Document and Classification | ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE PIN |
| Stud Head Height | 0.640 INCHES NOMINAL IN |
| Securing Device Type | RING |
| Distance From Engaging Member to Largest Bearing Surface of Head | 0.731 INCHES NOMINAL IN |
| Turnlock Stud Head Style | STUD HEAD |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 4037 STUD |
| Material | STEEL EJECTOR SPRING |
| Material | STEEL PIN |
| Material | STEEL COMP 1009 EYELET |
| Stud Assembly Style | STUD ASSEMBLY |
| Eyelet Length | 0.322 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 |
|---|---|
| 26S13-A-7 PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| 64A90B175-4 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5325-01-406-5553 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 5325-01-406-5553 has 2 manufacturer part numbers on file: 26S13-A-7 (Howmet Global Fastening Systems Inc Div Camloc Products), 64A90B175-4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 26S13-A-7: Surface Treatment Document and Classification: QQ-P-416, CL2, TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Head Length: 0.840 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN; Eyelet Outside Diameter: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Material Accommodated Thickness: 0.691 INCHES MINIMUM AND 0.706 INCHES MAXIMUM IN. 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.