The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-105-9247, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-105-9247 |
| Primary Part Number | 26458 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | ACTIVE |
| Width Across Flats | 1.438 INCHES NOMINAL IN |
| Hole Thread Quantity Per Inch | 20 |
| Thread Series | UN |
| Hole Configuration Style | CONFIGURATION A |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.125 INCHES IN |
| Nut Height | 0.500 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Hole Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Bearing Surface Type | WASHER FACED |
| Hole Type and Quantity | 1 TAPPED |
| 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 |
|---|---|
| 26458 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 81-F26458-1450000 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 81-F26458-1450000 | Triflow Corporation (USA) |
| Reference | Meaning |
|---|---|
| 81-F26458-1450000 | 5/9 Secondary reference Eastern Industrial Supplies, Inc. Div Corporate |
| 68065 PIECE 2 | 5/9 Secondary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
NSN 5310-01-105-9247 is a Nut,plain,hexagon, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-105-9247 has 3 manufacturer part numbers on file: 26458 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 81-F26458-1450000 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 81-F26458-1450000 (Triflow Corporation).
Key specifications for 26458: Width Across Flats: 1.438 INCHES NOMINAL IN; Hole Thread Quantity Per Inch: 20; Thread Series: UN; Hole Configuration Style: CONFIGURATION A. 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.