The Nut,plain,round, cataloged under National Stock Number 5310-00-685-2785, 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16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-685-2785 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION F |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.125 INCHES IN |
| Nut Diameter | 2.375 INCHES NOMINAL IN |
| Drive Point Depth | 0.250 INCHES NOMINAL IN |
| Nut Thickness | 0.625 INCHES NOMINAL IN |
| Drive Point Diameter | 0.218 INCHES NOMINAL IN |
| Small End Diameter | 1.875 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.218 INCHES NOMINAL IN |
| Drive Point Quantity | 4 |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | NICKEL ALLOY 400 OVERALL |
| Hole Type and Quantity | 4 DRILLED |
| 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 |
|---|---|
| 08-500-156PC84 | 5/9 Secondary reference Allis Chalmers Corp |
| 08-500-156PC84 | 5/9 Secondary reference U.S. Government activity |
| H3238270PC84 | 5/2 Secondary reference U.S. Government activity |
| 08-102-101-00-003 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-00-685-2785 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-685-2785: Thread Series: UNF; Hole Configuration Style: CONFIGURATION F; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 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.