The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-250-6812, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-250-6812 |
| Primary Part Number | 112034-2050 |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Monadnock Company, the Dba Lisi Aerospace |
| Status | ACTIVE |
| Drive Type | SLOTTED |
| Turnlock Stud Shank Style | STUD SHANK |
| Material Document and Classification | MIL-F-5591 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| 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 | PASSIVATE OVERALL |
| Material | IRON ALLOY 660 OVERALL |
| Grip Length | 2.297 INCHES MINIMUM AND 2.307 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 |
|---|---|
| 112034-2050 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
| ST3M472F5C2050M | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| ST3M472F5C2050M | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5325-01-250-6812 is a Stud,turnlock Fastener, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-250-6812 has 2 manufacturer part numbers on file: 112034-2050 (Monadnock Company, the Dba Lisi Aerospace), ST3M472F5C2050M (Fastener Innovation Technology, Inc. Dba F I T).
Key specifications for 112034-2050: Drive Type: SLOTTED; Turnlock Stud Shank Style: STUD SHANK; Material Document and Classification: MIL-F-5591 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Diameter: 0.560 INCHES NOMINAL IN. 9 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.