The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-271-5947, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-271-5947 |
| Primary Part Number | 74D111355-2029 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 1000.0 FAHRENHEIT MAXIMUM DEGF |
| Hardness Rating | 35.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Counterbore Diameter | 0.521 INCHES MINIMUM AND 0.551 INCHES MAXIMUM NUT IN |
| Nut Height | 0.750 INCHES NOMINAL IN |
| Countersink Angle | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM NUT |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 416 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 |
|---|---|
| 74D111355-2029 PRIMARY | The Boeing Company Div Defense (USA) |
| 74D111355-2029 | Bek, Inc. Dba Level 1 Fasteners (USA) |
NSN 5310-01-271-5947 is a Nut,plain,hexagon, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-271-5947 has 2 manufacturer part numbers on file: 74D111355-2029 (The Boeing Company Div Defense), 74D111355-2029 (Bek, Inc. Dba Level 1 Fasteners).
Key specifications for 74D111355-2029: Width Across Flats: 0.750 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Temp Rating: 1000.0 FAHRENHEIT MAXIMUM DEGF; Hardness Rating: 35.0 ROCKWELL C MAXIMUM. 15 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.