The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-412-9834, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-412-9834 |
| Primary Part Number | 6758828 MPLM-A8 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Washer Outside Diameter | 1.125 INCHES NOMINAL IN |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Washer Thickness | 0.060 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 10 |
| Material | STEEL COMP 304 OVERALL |
| 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 |
|---|---|
| 6758828 MPLM-A8 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 231-6758828FNMPLM-A8 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5310-01-412-9834 is a Nut,plain,extended Washer,hexago, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-412-9834 has 1 manufacturer part number on file: 6758828 MPLM-A8 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-588-3597. Verify interchangeability with system specifications before substitution.
Key specifications for 6758828 MPLM-A8: Overall Height: 0.375 INCHES NOMINAL IN; Washer Outside Diameter: 1.125 INCHES NOMINAL IN; Width Across Flats: 1.000 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 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.