The Nut,plain,round, cataloged under National Stock Number 5310-00-494-1772, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Motorola Canada Ltd. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-494-1772 |
| Primary Part Number | 657933 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Motorola Canada Ltd |
| Status | ACTIVE |
| Drive Point Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nut Diameter | 2.210 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN |
| Counterbore Diameter | 1.840 INCHES MINIMUM AND 1.860 INCHES MAXIMUM NUT IN |
| Drive Point Depth | 0.180 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Undercut Thickness | 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Nut Thickness | 0.810 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN |
| Small End Diameter | 1.930 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN |
| Drive Point Quantity | 8 |
| Nut Style | ROUND |
| Thread Class | 3B |
| 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 |
|---|---|
| 657933 | Motorola Canada Ltd (CAN) |
| 657933 | The Wilkins Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 657933 | 5/9 Secondary reference Ssanford Tool & Design Inc |
| 657933 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 657933 | 5/9 Secondary reference Reed Tool Co Diamond Metal Alloys Div |
| 657933 | 3/2 Design control — primary reference U.S. Government activity |
| 657933 | 5/9 Secondary reference Par Engineering Co |
NSN 5310-00-494-1772 is a Nut,plain,round, manufactured by Motorola Canada Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-494-1772 has 2 manufacturer part numbers on file: 657933 (Motorola Canada Ltd), 657933 (The Wilkins Co Inc).
Key specifications for 657933: Drive Point Width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Nut Diameter: 2.210 INCHES MINIMUM AND 2.230 INCHES MAXIMUM IN; Counterbore Diameter: 1.840 INCHES MINIMUM AND 1.860 INCHES MAXIMUM NUT 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.