The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-382-2640, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Walworth Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | The Walworth Company (CAGE 63686) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-382-2640 |
| Primary Part Number | B/M 506878 PIECE 18 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| B/M 506878 PIECE 18 PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| 600156 | 5/9 Secondary reference The Walworth Company |
NSN 5310-01-382-2640 is a Nut,plain,hexagon, manufactured by The Walworth Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-382-2640 has 1 manufacturer part number on file: B/M 506878 PIECE 18 (The Walworth Company).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-421-4649, 5310-01-614-3358. Verify interchangeability with system specifications before substitution.
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.