The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-357-1593, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-357-1593 |
| Primary Part Number | 3M298C5 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Width Across Flats | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Temp Rating | 450.0 FAHRENHEIT MINIMUM AND 800.0 FAHRENHEIT MAXIMUM DEGF |
| Hardness Rating | 88.0 ROCKWELL B MINIMUM |
| Hole Configuration Style | CONFIGURATION B |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Height | 0.219 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.046 INCHES NOMINAL IN |
| Countersink Angle | 110.0 DEGREES NOMINAL NUT |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | CHAMFERED |
| Hole Type and Quantity | 3 DRILLED |
| 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 |
|---|---|
| 3M298C5 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 36899 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-00-357-1593 is a Nut,plain,hexagon, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-357-1593 has 1 manufacturer part number on file: 3M298C5 (The Boeing Company Div Defense).
Key specifications for 3M298C5: Width Across Flats: 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Thread Series: UNF; Temp Rating: 450.0 FAHRENHEIT MINIMUM AND 800.0 FAHRENHEIT MAXIMUM DEGF; Hardness Rating: 88.0 ROCKWELL B MINIMUM. 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.