The Nut,plain,round, cataloged under National Stock Number 5310-00-476-2823, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is De Havilland Aircraft of Canada Limited. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-476-2823 |
| Primary Part Number | C4UM1026-1 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Thread Series | UN |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.200 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.625 INCHES IN |
| Nut Diameter | 2.200 INCHES NOMINAL IN |
| Drive Point Depth | 0.300 INCHES NOMINAL IN |
| Undercut Thickness | 0.469 INCHES NOMINAL IN |
| Nut Thickness | 0.600 INCHES NOMINAL IN |
| Small End Diameter | 1.860 INCHES NOMINAL IN |
| Drive Point Quantity | 12 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4130 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 |
|---|---|
| C4UM1026-1 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
NSN 5310-00-476-2823 is a Nut,plain,round, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-476-2823 has 1 manufacturer part number on file: C4UM1026-1 (De Havilland Aircraft of Canada Limited).
Key specifications for C4UM1026-1: Thread Series: UN; Material Document and Classification: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Drive Point Width: 0.200 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 15 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.