The Insert,screw Thread, cataloged under National Stock Number 5325-01-474-1138, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-474-1138 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Mounting Facility Diameter | 0.407 INCHES NOMINAL IN |
| Mounting Facility Quantity | 1 |
| Surface Treatment Document and Classification | QQ-P-416, TY3, CLIII FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Mounting Method | BASE |
| Insert Size | 0.500-13 UNC-2A A |
| Style Designator | GROOVED KEYLOCK |
| Internal Thread Relief Depth | 0.252 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN |
| Features Provided | KEYED ALIKE |
| Nominal Thread Size | 0.500 INCHES IN |
| Full Internal Thread Length | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 4140 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 |
| Reference | Meaning |
|---|---|
| MS51832A202L | 2/2 Government specification standardization U.S. Government activity |
NSN 5325-01-474-1138 is a Insert,screw Thread, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-474-1138: Mounting Facility Diameter: 0.407 INCHES NOMINAL IN; Mounting Facility Quantity: 1; Surface Treatment Document and Classification: QQ-P-416, TY3, CLIII FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Mounting Method: BASE. 15 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.