The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-550-4635, 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 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-550-4635 |
| Primary Part Number | 3F5160-3 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Monadnock Company, the Dba Lisi Aerospace |
| Status | ACTIVE |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.160 INCHES NOMINAL IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Extension Length | 1.955 INCHES NOMINAL 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 |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.357 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 |
|---|---|
| 3F5160-3 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
NSN 5325-00-550-4635 is a Stud,turnlock Fastener, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-550-4635 has 1 manufacturer part number on file: 3F5160-3 (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for 3F5160-3: Drive Type: SLOTTED; Material Accommodated Thickness: 0.160 INCHES NOMINAL IN; Turnlock Stud Shank Style: STUD SHANK; Extension Length: 1.955 INCHES NOMINAL IN. 10 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.