The Insert,screw Thread, cataloged under National Stock Number 5325-01-525-3645, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Tom J Riddle Inc Dba Gard Specialists. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-525-3645 |
| Primary Part Number | F400-200 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Tom J Riddle Inc Dba Gard Specialists |
| Status | ACTIVE |
| Length | 0.484 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Thread Length | 0.484 INCHES NOMINAL IN |
| Insert Size | 0.375 OD |
| Style Designator | COIL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| F400-200 PRIMARY | Tom J Riddle Inc Dba Gard Specialists (USA) |
NSN 5325-01-525-3645 is a Insert,screw Thread, manufactured by Tom J Riddle Inc Dba Gard Specialists, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-525-3645 has 1 manufacturer part number on file: F400-200 (Tom J Riddle Inc Dba Gard Specialists).
Key specifications for F400-200: Length: 0.484 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S); Thread Length: 0.484 INCHES NOMINAL IN; Insert Size: 0.375 OD. 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.