The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-331-9710, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Daimler Truck North America Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-331-9710 |
| Primary Part Number | 23-12077-000 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Daimler Truck North America Llc |
| Status | ACTIVE |
| Width Across Flats | 1.250 INCHES MINIMUM IN |
| Thread Series | UNEF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.375 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 23-12077-000 PRIMARY | Daimler Truck North America Llc (USA) |
| Reference | Meaning |
|---|---|
| 026124 | 5/9 Secondary reference Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
NSN 5310-01-331-9710 is a Nut,self-Locking,hexagon, manufactured by Daimler Truck North America Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-331-9710 has 1 manufacturer part number on file: 23-12077-000 (Daimler Truck North America Llc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-436-9590. Verify interchangeability with system specifications before substitution.
Key specifications for 23-12077-000: Width Across Flats: 1.250 INCHES MINIMUM IN; Thread Series: UNEF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.875 INCHES IN. 11 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.