The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-211-1485, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Conmaco/rector, L.p. Div Conmaco. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-211-1485 |
| Primary Part Number | 1054585 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Conmaco/rector, L.p. Div Conmaco |
| Status | ACTIVE |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| 1054585 | Conmaco/rector, L.p. Div Conmaco (USA) |
| Reference | Meaning |
|---|---|
| 1054585 | 3/9 Design control — primary reference Conmaco Inc |
NSN 5310-01-211-1485 is a Nut,plain,extended Washer,hexago, manufactured by Conmaco/rector, L.p. Div Conmaco, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-211-1485 has 1 manufacturer part number on file: 1054585 (Conmaco/rector, L.p. Div Conmaco).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-492-2243. Verify interchangeability with system specifications before substitution.
Key specifications for 1054585: Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.625 INCHES IN; Nut Style: HEXAGON. 6 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.