The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-662-0441, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rhinestahl Corporation Dba Rhinestahl. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-662-0441 |
| Primary Part Number | 21C8024P18 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rhinestahl Corporation Dba Rhinestahl |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Counterbore Diameter | 0.187 INCHES NOMINAL NUT IN |
| Nut Style | HEXAGON |
| 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 |
|---|---|
| 21C8024P18 PRIMARY | Rhinestahl Corporation Dba Rhinestahl (USA) |
| Reference | Meaning |
|---|---|
| 21C8024 | D/9 Drawing number reference only U.S. Government activity |
NSN 5310-01-662-0441 is a Nut,plain,extended Washer,hexago, manufactured by Rhinestahl Corporation Dba Rhinestahl, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-662-0441 has 1 manufacturer part number on file: 21C8024P18 (Rhinestahl Corporation Dba Rhinestahl).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-662-5932, 2805-01-662-6394. Verify interchangeability with system specifications before substitution.
Key specifications for 21C8024P18: Thread Direction: RIGHT-HAND; Counterbore Diameter: 0.187 INCHES NOMINAL NUT IN; Part Name Assigned by Controlling Agency: NUT; Nut Style: HEXAGON. 3 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.