The Nut,plain,plate, cataloged under National Stock Number 5310-01-320-5800, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-320-5800 |
| Item Name | Nut,plain,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Plate Thickness | 0.065 INCHES NOMINAL IN |
| Nut Length | 1.000 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.437 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.097 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.406 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.813 INCHES NOMINAL IN |
| Nut Height | 0.270 INCHES NOMINAL IN |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 630 OVERALL |
| Nut Mounting Provision | STRAIGHT HOLES |
| 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 |
|---|---|
| 963164-103 | 5/9 Secondary reference Lockheed Corp |
| 963164 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-320-5800 is a Nut,plain,plate, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-320-5800: Overall Height: 0.270 INCHES NOMINAL IN; Plate Thickness: 0.065 INCHES NOMINAL IN; Nut Length: 1.000 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 16 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.