The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-511-1047, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-511-1047 |
| Primary Part Number | 4041660 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Width Across Flats | 1.750 INCHES NOMINAL IN |
| Bearing Surface Finish | 200.0 MICROINCHES |
| Thread Series | UNEF |
| Material Document and Classification | QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Nut Height | 0.500 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | ALUMINUM ALLOY 2024 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 |
|---|---|
| 4041660 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 4041660 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 5310-00-511-1047 is a Nut,plain,hexagon, manufactured by Textron Aviation Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-511-1047 has 1 manufacturer part number on file: 4041660 (Textron Aviation Inc).
Key specifications for 4041660: Width Across Flats: 1.750 INCHES NOMINAL IN; Bearing Surface Finish: 200.0 MICROINCHES; Thread Series: UNEF; Material Document and Classification: QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 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.