The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-264-0409, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-264-0409 |
| Primary Part Number | 1110360 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Width Across Flats | 1.813 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN |
| Hole Thread Quantity Per Inch | 18 |
| Thread Series | UNF |
| Material Document and Classification | MIL-S-890,CL BS MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 1.125 INCHES IN |
| Nut Height | 0.625 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.257 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Hole Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| 1110360 | Westinghouse Electric Corp (USA) |
| 26J611 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| DD445S4601-225ALT4PC321 | 5/2 Secondary reference U.S. Government activity |
| 26J611 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 1110360 | 3/9 Design control — primary reference Westinghouse Electric Corp Control Business Unit |
NSN 5310-00-264-0409 is a Nut,plain,hexagon, manufactured by Westinghouse Electric Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-264-0409 has 2 manufacturer part numbers on file: 1110360 (Westinghouse Electric Corp), 26J611 (Westinghouse Electric Corp).
Key specifications for 1110360: Width Across Flats: 1.813 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN; Hole Thread Quantity Per Inch: 18; Thread Series: UNF; Material Document and Classification: MIL-S-890,CL BS MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.