The Nut,plain,round, cataloged under National Stock Number 5310-01-253-3151, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Electromech Technologies Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-253-3151 |
| Primary Part Number | 56-4-1015-1 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Electromech Technologies Llc |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-B-626,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Diameter | 0.890 INCHES NOMINAL IN |
| Nut Thickness | 0.125 INCHES NOMINAL IN |
| Drive Point Diameter | 0.081 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 13 |
| Material | COPPER ALLOY 260 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 56-4-1015-1 PRIMARY | Electromech Technologies Llc (USA) |
NSN 5310-01-253-3151 is a Nut,plain,round, manufactured by Electromech Technologies Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-253-3151 has 1 manufacturer part number on file: 56-4-1015-1 (Electromech Technologies Llc).
Key specifications for 56-4-1015-1: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-B-626,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.500 INCHES IN. 12 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.