The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-646-0302, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-646-0302 |
| Primary Part Number | J2295A194U2R28-Z7 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Width Across Flats | 2.662 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN |
| Thread Series | UN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Nut Height | 1.679 INCHES MINIMUM AND 1.759 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | A8 |
| Material | STEEL OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| J2295A194U2R28-Z7 PRIMARY | Sae International Dba Sae International (USA) |
| 588-7666730 ITEM 11 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SAE J2295 | 3/1 Design control — primary reference Sae International Dba Sae International |
| J2295A194U2R28-Z7 | 5/9 Secondary reference U.S. Government activity |
| SAE J2295 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-646-0302 is a Nut,plain,hexagon, manufactured by Sae International Dba Sae International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-646-0302 has 2 manufacturer part numbers on file: J2295A194U2R28-Z7 (Sae International Dba Sae International), 588-7666730 ITEM 11 (Naval Sea Systems Command).
Key specifications for J2295A194U2R28-Z7: Width Across Flats: 2.662 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN; Thread Series: UN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.750 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.