The Nut,plain,round, cataloged under National Stock Number 5310-00-496-0835, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-496-0835 |
| Primary Part Number | 1550121-2 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Width Across Flats | 0.820 INCHES NOMINAL IN |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION G |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Nut Diameter | 1.000 INCHES NOMINAL IN |
| Nut Thickness | 1.000 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.062 INCHES NOMINAL IN |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4130 OVERALL |
| Hole Type and Quantity | 1 DRILLED |
| 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 |
|---|---|
| 1550121-2 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 1550121-2 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 5310-00-496-0835 is a Nut,plain,round, manufactured by Textron Aviation Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-496-0835 has 1 manufacturer part number on file: 1550121-2 (Textron Aviation Inc).
Key specifications for 1550121-2: Width Across Flats: 0.820 INCHES NOMINAL IN; Thread Series: UNF; Hole Configuration Style: CONFIGURATION G; Material Document and Classification: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 14 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.