The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-01-376-6590, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-376-6590 |
| Primary Part Number | D5805PC6,1IN |
| Item Name | Nut,plain,slotted,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.488 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.218 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Nut Style | SLOTTED, HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 416 OVERALL |
| Bearing Surface Type | CHAMFERED OR 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 |
|---|---|
| D5805PC6,1IN PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| D5805PC6,1IN | 5/9 Secondary reference P J Valves Inc |
NSN 5310-01-376-6590 is a Nut,plain,slotted,hexagon, manufactured by Hunt Valve Company, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-376-6590 has 1 manufacturer part number on file: D5805PC6,1IN (Hunt Valve Company, Inc.).
Key specifications for D5805PC6,1IN: Width Across Flats: 0.488 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN. 10 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.