The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-381-2341, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Flomega Industries Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Flomega Industries Inc (CAGE 3V817) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-381-2341 |
| Primary Part Number | D900276 PC 10 4IN |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Flomega Industries Inc |
| 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 |
|---|---|
| 1/2-13-2B HEAVY HEX | Flomega Industries Inc (USA) |
| D900276 PC 10 4IN PRIMARY | Flomega Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 5191024 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-381-2341 is a Nut,plain,hexagon, manufactured by Flomega Industries Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-381-2341 has 2 manufacturer part numbers on file: 1/2-13-2B HEAVY HEX (Flomega Industries Inc), D900276 PC 10 4IN (Flomega Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-383-0638. 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.