The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-00-447-6868, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Schwitzer Engine Components a Household Intl Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5310-00-447-6868 |
| Primary Part Number | MD510 |
| Item Name | Nut,plain,slotted,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Schwitzer Engine Components a Household Intl Co |
| Status | ACTIVE |
| Width Across Flats | 1.125 INCHES NOMINAL IN |
| Thread Series | UNF |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nut Height | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Nut Style | SLOTTED, HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| 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 |
|---|---|
| MD510 PRIMARY | Schwitzer Engine Components a Household Intl Co (USA) |
| Reference | Meaning |
|---|---|
| MD510 | 5/9 Secondary reference Mwm-Murphy Diesel Co |
NSN 5310-00-447-6868 is a Nut,plain,slotted,hexagon, manufactured by Schwitzer Engine Components a Household Intl Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-447-6868 has 1 manufacturer part number on file: MD510 (Schwitzer Engine Components a Household Intl Co).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-295-6315. Verify interchangeability with system specifications before substitution.
Key specifications for MD510: Width Across Flats: 1.125 INCHES NOMINAL IN; Thread Series: UNF; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM; Thread Direction: RIGHT-HAND. 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.