The Insert,screw Thread, cataloged under National Stock Number 5325-01-613-1173, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Kato Fastening Systems, Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-613-1173 |
| Primary Part Number | 2TNC-4C-0375W |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Kato Fastening Systems, Inc. |
| Status | ACTIVE |
| Length | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Insert Size | 4 |
| Style Designator | COIL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 2TNC-4C-0375W | Kato Fastening Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| G0073999 | 5/9 Secondary reference Leonardo Uk Ltd |
| NAS1130 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1130-4-15D | 3/2 Design control — primary reference U.S. Government activity |
| G0073999 | 5/9 Secondary reference Leonardo Mw Ltd |
NSN 5325-01-613-1173 is a Insert,screw Thread, manufactured by Kato Fastening Systems, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-613-1173 has 1 manufacturer part number on file: 2TNC-4C-0375W (Kato Fastening Systems, Inc.).
Key specifications for 2TNC-4C-0375W: Length: 0.375 INCHES NOMINAL IN; Thread Length: 0.375 INCHES NOMINAL IN; Insert Size: 4; Style Designator: COIL. 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.