The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-146-0491, 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 8 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-146-0491 |
| Primary Part Number | 74A410776-2003 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Width Across Flats | 1.875 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.375 INCHES IN |
| Nut Height | 0.430 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 74A410776-2003 | Hdi Landing Gear Usa Inc (USA) |
| 74A410776-2003 | Nassau Tool Works, Inc (USA) |
| 74A410776-2003 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 74A410776-2003 | Safran Landing Systems Canada Inc. (CAN) |
| 74A410776-2003 | A. J. Associates Manufacturing & Engineering Co. Inc. (USA) |
| 74A410776-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A410776-2003 | Airtronics, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10109808 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A410776-2003 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
| 74A410776-2003 | 5/2 Secondary reference U.S. Government activity |
| 74A410776-2003 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
| 74A410776-2003 | C/1 Advisory reference — outside the item-of-supply concept Israel Aerospace Industries Ltd.shl-Aero Assemblies Division |
| 74A410776-2003 | 5/9 Secondary reference Blair Industries Inc |
| 74A410776-2003 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A410776-2003 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
NSN 5310-01-146-0491 is a Nut,plain,hexagon, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-146-0491 has 7 manufacturer part numbers on file: 74A410776-2003 (Hdi Landing Gear Usa Inc), 74A410776-2003 (Nassau Tool Works, Inc), 74A410776-2003 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 74A410776-2003 (Safran Landing Systems Canada Inc.), 74A410776-2003 (A. J. Associates Manufacturing & Engineering Co. Inc.) and 2 more.
Key specifications for 74A410776-2003: Width Across Flats: 1.875 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.375 INCHES IN. 8 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.