The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-285-8939, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-285-8939 |
| Primary Part Number | TST3M472F5C260M |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Trico Manufacturing Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Type | SLOTTED |
| Material Accommodated Thickness | 0.521 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Turnlock Stud Shank Style | STUD SHANK |
| Diameter | 0.560 INCHES MINIMUM IN |
| Turnlock Stud Head Style | FLAT COUNTERSUNK |
| Stud Shank Major Diameter | 0.262 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Grip Length | 0.447 INCHES MINIMUM AND 0.457 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 |
|---|---|
| TST3M472F5C260M PRIMARY | Trico Manufacturing Inc. (USA) |
| 112034-260 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
| FIT7078F5C260M PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| 75A160109-1003 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
| ST3M472F5C260M | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5325-01-285-8939 is a Stud,turnlock Fastener, manufactured by Trico Manufacturing Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-285-8939 has 3 manufacturer part numbers on file: TST3M472F5C260M (Trico Manufacturing Inc.), 112034-260 (Monadnock Company, the Dba Lisi Aerospace), FIT7078F5C260M (Fastener Innovation Technology, Inc. Dba F I T).
Key specifications for TST3M472F5C260M: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Type: SLOTTED; Material Accommodated Thickness: 0.521 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK. 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.