The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-01-010-2380, 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 Legacy Am&m. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-010-2380 |
| Primary Part Number | 1N8-6 |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Width Across Flats | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Temp Rating | 550.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AMS 5667 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 0.406 INCHES NOMINAL IN |
| Countersink Angle | 110.0 DEGREES NOMINAL NUT |
| Nut Style | CASTELLATED, HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | NICKEL ALLOY X-750 OVERALL |
| Bearing Surface Type | WASHER FACED |
| 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 |
|---|---|
| 1N8-6 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5310-01-010-2380 is a Nut,plain,castellated,hexagon, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-010-2380 has 1 manufacturer part number on file: 1N8-6 (The Boeing Company Div Legacy Am&m).
Key specifications for 1N8-6: Width Across Flats: 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN; Thread Series: UNF; Temp Rating: 550.0 FAHRENHEIT NOMINAL DEGF; Material Document and Classification: AMS 5667 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 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.