The Insert,screw Thread, cataloged under National Stock Number 5325-00-331-3634, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-331-3634 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Width Across Flats | 1.243 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Length | 1.820 INCHES NOMINAL IN |
| Flange Thickness | 0.220 INCHES NOMINAL IN |
| Insert Size | 1.000-12 UNJF 3A A |
| Style Designator | FLANGE |
| Nominal Thread Size | 0.750 INCHES IN |
| Slot Depth | 0.120 INCHES MAXIMUM IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1292507-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-00-331-3634 is a Insert,screw Thread, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-00-331-3634: Width Across Flats: 1.243 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Length: 1.820 INCHES NOMINAL IN; Flange Thickness: 0.220 INCHES NOMINAL IN; Insert Size: 1.000-12 UNJF 3A A. 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.