The Nut,plain,round, cataloged under National Stock Number 5310-00-623-2945, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-623-2945 |
| Primary Part Number | 374526-1 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Drive Point Width | 0.070 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 0.374 INCHES NOMINAL IN |
| Drive Point Depth | 0.306 INCHES NOMINAL IN |
| Nut Thickness | 0.422 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL 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 |
|---|---|
| 374526-1 PRIMARY | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 5310PL1560557 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 374526-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-00-623-2945 is a Nut,plain,round, manufactured by Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-623-2945 has 1 manufacturer part number on file: 374526-1 (Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing).
Key specifications for 374526-1: Thread Series: UNIFIED NATIONAL COARSE (UNC); Drive Point Width: 0.070 INCHES NOMINAL IN; 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.