The Insert,screw Thread, cataloged under National Stock Number 5325-01-132-6829, 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15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-132-6829 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Length | 0.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.305 INCHES NOMINAL IN |
| Insert Size | 0.438-14 UNC 2A A |
| Style Designator | KEYLOCK |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Internal Thread Relief Depth | 0.070 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Full Internal Thread Length | 0.305 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNJC |
| 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 |
|---|---|
| CTS310A-13 | 5/1 Secondary reference The Boeing Company Div Defense |
| MS51831A102 | 2/2 Government specification standardization U.S. Government activity |
| KNH420JMXSY | 5/1 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| KNH420JMSY | 5/1 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5325-01-132-6829 is a Insert,screw Thread, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-132-6829: Length: 0.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.305 INCHES NOMINAL IN; Insert Size: 0.438-14 UNC 2A A. 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.