The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-01-641-4220, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-641-4220 |
| Primary Part Number | 782-7666819 AY79 ITEM 60 |
| Item Name | Nut,plain,slotted,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Nut Height | 1.292 INCHES MINIMUM AND 1.330 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | SLOTTED, HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 8 |
| 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 |
|---|---|
| 782-7666819 AY79 ITEM 60 | Naval Sea Systems Command (USA) |
| 782-82000791 ITEM 19 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| J2295J995C2S16-ZG5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-641-4220 is a Nut,plain,slotted,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-641-4220 has 2 manufacturer part numbers on file: 782-7666819 AY79 ITEM 60 (Naval Sea Systems Command), 782-82000791 ITEM 19 (Naval Sea Systems Command).
Key specifications for 782-7666819 AY79 ITEM 60: Width Across Flats: 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.000 INCHES IN. 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.