The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-449-1580, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Precision Aerospace Corporation Dba Precision Engine Control. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-449-1580 |
| Primary Part Number | 2-65 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Precision Aerospace Corporation Dba Precision Engine Control |
| Status | ACTIVE |
| Width Across Flats | 0.233 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.121 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Material | STEEL COMP 1213 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 |
|---|---|
| 2-65 PRIMARY | Precision Aerospace Corporation Dba Precision Engine Control (USA) |
| Reference | Meaning |
|---|---|
| 2-65 | 5/9 Secondary reference Unison Industries Llc |
| 2-65 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
NSN 5310-00-449-1580 is a Nut,plain,hexagon, manufactured by Precision Aerospace Corporation Dba Precision Engine Control, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-449-1580 has 1 manufacturer part number on file: 2-65 (Precision Aerospace Corporation Dba Precision Engine Control).
Key specifications for 2-65: Width Across Flats: 0.233 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nut Height: 0.121 INCHES MINIMUM AND 0.129 INCHES MAXIMUM 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.