The Fastener Assembly,turnlock, cataloged under National Stock Number 5325-01-481-9443, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-481-9443 |
| Primary Part Number | 3M1250AC6F4 |
| Item Name | Fastener Assembly,turnlock |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.447 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 3M1250AC6F4 PRIMARY | The Boeing Company Div Defense (USA) |
| CA17202F4TXR PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| CA17202F4TXR PRIMARY | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| Reference | Meaning |
|---|---|
| MT172AC6F-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-481-9443 is a Fastener Assembly,turnlock, manufactured by The Boeing Company Div Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-481-9443 has 3 manufacturer part numbers on file: 3M1250AC6F4 (The Boeing Company Div Defense), CA17202F4TXR (Howmet Global Fastening Systems Inc. Div Tridair Products), CA17202F4TXR (Howmet Global Fastening Systems Inc. Div Voi-Shan Products).
Key specifications for 3M1250AC6F4: Turnlock Stud Shank Style: STUD SHANK; Diameter: 0.447 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Turnlock Stud Head Style: FLAT COUNTERSUNK; Material: STEEL CORROSION RESISTING OVERALL. 4 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.