The Nut,plain,clinch, cataloged under National Stock Number 5310-00-809-7443, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-809-7443 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | MIL=S-7720 COND B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 0.469 INCHES NOMINAL IN |
| Pilot Diameter | 0.342 INCHES MAXIMUM IN |
| Pilot Length | 0.120 INCHES MAXIMUM IN |
| Nut Height | 0.291 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | CLINCH |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 303S OVERALL |
| 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 |
|---|---|
| 1034-D220-19 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 9063593-2 | 5/1 Secondary reference Us Army Aviation and Missile Command |
| 18010E-SS-2520 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| CLS-0420-3 | 5/9 Secondary reference Penn Engineering & Manufacturing Corp |
| M45938/1-29C | 2/2 Government specification standardization U.S. Government activity |
| NGX17124-55 | 5/1 Secondary reference U.S. Government activity |
| 9995290-2 | 5/1 Secondary reference Us Army Aviation and Missile Command |
| 400003-253 | 5/1 Secondary reference U.S. Government activity |
| DRA34137-8 | 5/1 Secondary reference Unisys Corporation Dba Unisys Corp |
| 720NKS-(0.125) | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-809-7443 is a Nut,plain,clinch, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-809-7443: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: MIL=S-7720 COND B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN. 13 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.