The Nut,plain,round, cataloged under National Stock Number 5310-00-600-0751, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 14 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. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-600-0751 |
| Primary Part Number | 25851 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.062 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Nut Diameter | 0.290 INCHES NOMINAL IN |
| Drive Point Depth | 0.025 INCHES NOMINAL IN |
| Nut Thickness | 0.130 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 416F 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 |
|---|---|
| 25851 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5310-00-600-0751 is a Nut,plain,round, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-600-0751 has 1 manufacturer part number on file: 25851 (Triumph Engine Control Systems Llc).
5 possible matches (shared part number, not a government interchangeability claim): 5305-01-044-2049, 6210-01-128-4556, 4710-01-306-4761. Verify interchangeability with system specifications before substitution.
Key specifications for 25851: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Drive Point Width: 0.062 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 14 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.