The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-376-0486, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-376-0486 |
| Primary Part Number | B1866 PIECE 10 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASTM-A194-2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Height | 0.464 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 13 |
| Material | STEEL UNS K04002 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 |
|---|---|
| B1866 PIECE 10 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| D1866 PIECE 10 3-B | 3/9 Design control — primary reference P J Valves Inc |
| D-1866 PIECE 10 | C/1 Advisory reference — outside the item-of-supply concept P J Valves Inc |
NSN 5310-01-376-0486 is a Nut,plain,hexagon, manufactured by Hunt Valve Company, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-376-0486 has 1 manufacturer part number on file: B1866 PIECE 10 (Hunt Valve Company, Inc.).
Key specifications for B1866 PIECE 10: Width Across Flats: 0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: ASTM-A194-2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 11 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.