The Nut,plain,round, cataloged under National Stock Number 5310-00-291-3343, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-291-3343 |
| Primary Part Number | 1292537-101 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| Status | ACTIVE |
| Flange Thickness | 0.100 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Drive Point Width | 0.260 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.250 INCHES IN |
| Nut Diameter | 2.635 INCHES MINIMUM AND 2.645 INCHES MAXIMUM IN |
| Drive Point Depth | 0.150 INCHES NOMINAL IN |
| Undercut Thickness | 0.200 INCHES NOMINAL IN |
| Nut Thickness | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Small End Diameter | 2.425 INCHES MINIMUM AND 2.435 INCHES MAXIMUM IN |
| Countersink Angle | 100.0 DEGREES MINIMUM AND 120.0 DEGREES MAXIMUM NUT |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| 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 |
|---|---|
| 1292537-101 | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 1292537-101 | 3/2 Design control — primary reference U.S. Government activity |
| 1292537-101 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-291-3343 is a Nut,plain,round, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-291-3343 has 1 manufacturer part number on file: 1292537-101 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
Key specifications for 1292537-101: Flange Thickness: 0.100 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT (UNJ); Drive Point Width: 0.260 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 16 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.