The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-292-0442, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Trico Manufacturing Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-292-0442 |
| Primary Part Number | TST3M4725C290E |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Trico Manufacturing Inc. |
| Status | ACTIVE |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.271 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.560 INCHES NOMINAL IN |
| Turnlock Stud Head Style | FILLISTER |
| Stud Shank Major Diameter | 0.262 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Grip Length | 0.522 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 |
|---|---|
| TST3M4725C290E PRIMARY | Trico Manufacturing Inc. (USA) |
| FIT7078F5C290E PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 112035-290 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| ST3M472R5C290E | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 112034-290 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| FIT7078F5C290M | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| TST3M472F5C290M | 5/9 Secondary reference Trico Manufacturing Inc. |
| 112034-290 | 5/9 Secondary reference Monadnock Company, the Dba Lisi Aerospace |
NSN 5325-01-292-0442 is a Stud,turnlock Fastener, manufactured by Trico Manufacturing Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-292-0442 has 3 manufacturer part numbers on file: TST3M4725C290E (Trico Manufacturing Inc.), FIT7078F5C290E (Fastener Innovation Technology, Inc. Dba F I T), 112035-290 (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for TST3M4725C290E: Drive Type: SLOTTED; Material Accommodated Thickness: 0.271 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK; 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.