The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-01-286-1026, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Airbus Helicopters (ets De Marignane). Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-286-1026 |
| Primary Part Number | N7228236056 |
| Item Name | Nut,plain,slotted,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Airbus Helicopters (ets De Marignane) |
| Status | ACTIVE |
| Width Across Flats | 0.438 INCHES NOMINAL IN |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION A |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.344 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.250 INCHES NOMINAL IN |
| Nut Style | SLOTTED, HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | ALUMINUM ALLOY OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| N7228236056 | Airbus Helicopters (ets De Marignane) (FRA) |
| Reference | Meaning |
|---|---|
| AS243-6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-286-1026 is a Nut,plain,slotted,hexagon, manufactured by Airbus Helicopters (ets De Marignane), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-286-1026 has 1 manufacturer part number on file: N7228236056 (Airbus Helicopters (ets De Marignane)).
Key specifications for N7228236056: Width Across Flats: 0.438 INCHES NOMINAL IN; Thread Series: UNF; Hole Configuration Style: CONFIGURATION A; Thread Direction: RIGHT-HAND. 12 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.