The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-426-3625, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Barber Colman Co Dyna Products. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-426-3625 |
| Primary Part Number | DYN2228 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Barber Colman Co Dyna Products |
| Status | ACTIVE |
| Width Across Flats | 1.232 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN |
| Thread Series | UN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.0625 INCHES IN |
| Nut Height | 0.304 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 303 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 |
|---|---|
| DYN2228 PRIMARY | Barber Colman Co Dyna Products (USA) |
| Reference | Meaning |
|---|---|
| DYN2228 | 5/9 Secondary reference Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
NSN 5310-01-426-3625 is a Nut,plain,hexagon, manufactured by Barber Colman Co Dyna Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-426-3625 has 1 manufacturer part number on file: DYN2228 (Barber Colman Co Dyna Products).
Key specifications for DYN2228: Width Across Flats: 1.232 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN; Thread Series: UN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.0625 INCHES IN. 10 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.