The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-080-0027, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hatz Diesel of America Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-080-0027 |
| Primary Part Number | 50023900 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hatz Diesel of America Inc |
| Status | ACTIVE |
| Width Across Flats | 19.00 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 6H INTERNAL |
| Thread Series | ISO M |
| Thread Pitch in Millimeters | 1.75 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 12.0 MILLIMETERS MM |
| Nut Height | 10.00 MILLIMETERS NOMINAL MM |
| Countersink Angle | 120.0 DEGREES NOMINAL BOTH ENDS |
| Nut Style | HEXAGON |
| Material | STEEL 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 |
|---|---|
| 50023900 PRIMARY | Hatz Diesel of America Inc (USA) |
| Reference | Meaning |
|---|---|
| 500 239 00 | C/1 Advisory reference — outside the item-of-supply concept Partz Network Llc, John J. Melton, Robert Melton, Christpher Robles, Richard Melton, Christine Hunsecker |
| 69523 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
NSN 5310-01-080-0027 is a Nut,plain,hexagon, manufactured by Hatz Diesel of America Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-080-0027 has 1 manufacturer part number on file: 50023900 (Hatz Diesel of America Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5977-01-315-8501, 4730-01-419-4735, 7310-01-588-5934. Verify interchangeability with system specifications before substitution.
Key specifications for 50023900: Width Across Flats: 19.00 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 6H INTERNAL; Thread Series: ISO M; Thread Pitch in Millimeters: 1.75. 11 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.