The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-398-0731, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | General Dynamics Mission Systems, Inc. (CAGE 67032); Monadnock Company, the Dba Lisi Aerospace (CAGE 60119) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-398-0731 |
| Primary Part Number | 500175 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Monadnock Company, the Dba Lisi Aerospace |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 70-2740868-1 | General Dynamics Mission Systems, Inc. (USA) |
| 500175 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
NSN 5325-01-398-0731 is a Stud,turnlock Fastener, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-398-0731 has 2 manufacturer part numbers on file: 70-2740868-1 (General Dynamics Mission Systems, Inc.), 500175 (Monadnock Company, the Dba Lisi Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-541-0769. Verify interchangeability with system specifications before substitution.
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.