The Insert,screw Thread, cataloged under National Stock Number 5325-01-121-5897, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-121-5897 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Flange Diameter | 0.4369 INCHES MINIMUM AND 0.4371 INCHES MAXIMUM IN |
| Length | 1.444 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.250 INCHES NOMINAL IN |
| Insert Size | 3/8-24 UNF 2A A |
| Internal Thread Relief Depth | 0.310 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Full Internal Thread Length | 0.570 INCHES NOMINAL IN |
| Slot Depth | 0.120 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNF |
| Slot Width | 0.100 INCHES NOMINAL IN |
| 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 |
|---|---|
| 2120785-001 | 3/9 Design control — primary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
NSN 5325-01-121-5897 is a Insert,screw Thread, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-121-5897: Flange Diameter: 0.4369 INCHES MINIMUM AND 0.4371 INCHES MAXIMUM IN; Length: 1.444 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Thickness: 0.250 INCHES NOMINAL IN. 14 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.