The Nut,plain,round, cataloged under National Stock Number 5310-01-342-2742, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-342-2742 |
| Primary Part Number | 108890 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Thread Series | UNJEF |
| Material Document and Classification | AMS 6470 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Nut Diameter | 1.310 INCHES NOMINAL IN |
| Drive Point Depth | 0.100 INCHES NOMINAL IN |
| Nut Thickness | 0.383 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Drive Point Diameter | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL UNS K24065 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 |
|---|---|
| 108890 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5310-01-342-2742 is a Nut,plain,round, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-342-2742 has 1 manufacturer part number on file: 108890 (Triumph Engine Control Systems Llc).
Key specifications for 108890: Thread Series: UNJEF; Material Document and Classification: AMS 6470 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.875 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.