The Stud,turnlock Fastener, cataloged under National Stock Number 5325-01-191-2597, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-191-2597 |
| Primary Part Number | FIT7078W5A790M |
| Item Name | Stud,turnlock Fastener |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| 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 | 0.771 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN |
| 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 | FILLISTER |
| 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 | 0.977 INCHES MINIMUM AND 0.987 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 |
|---|---|
| FIT7078W5A790M PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 110008-790 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
| TST3M472W5A790M PRIMARY | Trico Manufacturing Inc. (USA) |
| ST3M472W5A790M | Rmb Miniature Bearings Inc (USA) |
| Reference | Meaning |
|---|---|
| ST3M472W5A790M | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5325-01-191-2597 is a Stud,turnlock Fastener, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-191-2597 has 4 manufacturer part numbers on file: FIT7078W5A790M (Fastener Innovation Technology, Inc. Dba F I T), 110008-790 (Monadnock Company, the Dba Lisi Aerospace), TST3M472W5A790M (Trico Manufacturing Inc.), ST3M472W5A790M (Rmb Miniature Bearings Inc).
Key specifications for FIT7078W5A790M: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Type: SLOTTED; Material Accommodated Thickness: 0.771 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN; Turnlock Stud Shank Style: STUD SHANK. 11 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.