The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-984-7230, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Union Mfg Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-984-7230 |
| Primary Part Number | 4-40X19X06 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Union Mfg Inc |
| Status | ACTIVE |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Nut Height | 0.063 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | COPPER ALLOY 462 OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 4-40X19X06 | Union Mfg Inc (USA) |
| Reference | Meaning |
|---|---|
| 7454160 | 5/2 Secondary reference U.S. Government activity |
| 3022-0218-402 | C/1 Advisory reference — outside the item-of-supply concept Fischer Special Mfg Co |
| CPP2156A001-45C | 3/9 Design control — primary reference Edo |
NSN 5310-00-984-7230 is a Nut,plain,hexagon, manufactured by Union Mfg Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-984-7230 has 1 manufacturer part number on file: 4-40X19X06 (Union Mfg Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-485-7786. Verify interchangeability with system specifications before substitution.
Key specifications for 4-40X19X06: Width Across Flats: 0.188 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 12 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.