The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-299-7420, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Monadnock Company, the Dba Lisi Aerospace. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-299-7420 |
| Primary Part Number | 3F5470-12 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Monadnock Company, the Dba Lisi Aerospace |
| Status | ACTIVE |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 7.125 INCHES MINIMUM AND 7.250 INCHES MAXIMUM IN |
| Diameter | 0.560 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.262 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN |
| Material | STEEL BARREL |
| Grip Length | 0.461 INCHES MINIMUM AND 0.470 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 |
|---|---|
| 3F5470-12 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| BACS21C470-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-299-7420 is a Stud,turnlock Fastener, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-299-7420 has 1 manufacturer part number on file: 3F5470-12 (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for 3F5470-12: Turnlock Stud Shank Style: STUD SHANK; Extension Length: 7.125 INCHES MINIMUM AND 7.250 INCHES MAXIMUM IN; Diameter: 0.560 INCHES NOMINAL IN; Turnlock Stud Head Style: FLAT COUNTERSUNK. 7 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.