The Nut,plain,round, cataloged under National Stock Number 5310-00-059-5798, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The W.w. Williams Company, Llc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-059-5798 |
| Primary Part Number | 6778078 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The W.w. Williams Company, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Nut Diameter | 2.400 INCHES NOMINAL IN |
| Drive Point Depth | 0.156 INCHES NOMINAL IN |
| Undercut Thickness | 0.170 INCHES NOMINAL IN |
| Nut Thickness | 0.530 INCHES NOMINAL IN |
| Small End Diameter | 1.380 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 1141 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 |
|---|---|
| SRS6778078 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| 6778078 PRIMARY | The W.w. Williams Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 6778078 | 3/9 Design control — primary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5310-00-059-5798 is a Nut,plain,round, manufactured by The W.w. Williams Company, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-059-5798 has 2 manufacturer part numbers on file: SRS6778078 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 6778078 (The W.w. Williams Company, Llc).
Key specifications for 6778078: Surface Treatment Document and Classification: MIL-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Drive Point Width: 0.375 INCHES NOMINAL IN. 17 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.