The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-485-2086, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Betts Industries, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-485-2086 |
| Primary Part Number | 9Q5909 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Betts Industries, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Height | 0.969 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING NUT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-485-2086 is a Nut,plain,hexagon, manufactured by Betts Industries, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-485-2086 has 2 manufacturer part numbers on file: 9Q5909 (Betts Industries, Inc.), 4HB537 (Oshkosh Defense Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-485-4554, 4820-01-499-3338. Verify interchangeability with system specifications before substitution.
Key specifications for 9Q5909: Width Across Flats: 0.850 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.500 INCHES IN. 8 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.