The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-01-566-1069, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-West. Government technical data includes 5 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 | 5310-01-566-1069 |
| Primary Part Number | 121466-1 |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-West |
| Status | ACTIVE |
| Hardness Rating | 60.0 ROCKWELL B NOMINAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 121466-1 PRIMARY | L3 Technologies, Inc. Div Communication Systems-West (USA) |
NSN 5310-01-566-1069 is a Nut,plain,castellated,hexagon, manufactured by L3 Technologies, Inc. Div Communication Systems-West, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-566-1069 has 1 manufacturer part number on file: 121466-1 (L3 Technologies, Inc. Div Communication Systems-West).
Key specifications for 121466-1: Hardness Rating: 60.0 ROCKWELL B NOMINAL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN; Special Features: ALTERED ITEM, MODIFIED CASTLE NUT, .1/4-20. MADE FROM PART NUMBER 91855A350, MCMASTER CARR. 5 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.