The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-121-7951, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Textron Aviation Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-121-7951 |
| Primary Part Number | S1573-3 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Bearing Surface Type | CHAMFERED |
| Thread Direction | RIGHT-HAND |
| Drilled Hole Diameter | 0.062 INCHES NOMINAL IN |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Hole Configuration Style | CONFIGURATION B |
| Thread Series | UNF |
| Thread Quantity Per Inch | 24 |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Style | HEXAGON |
| Hole Type and Quantity | 1 DRILLED |
| Thread Class | 3B |
| Material | STEEL OVERALL |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Height | 0.219 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-121-7951 is a Nut,plain,hexagon, manufactured by Textron Aviation Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-121-7951 has 2 cross-referenced part numbers: S1573-3 (Textron Aviation Inc), S1573-3 (Cessna Aircraft Company Dba Textron Aviation).
There is 1 known substitute for 5310-00-121-7951: 3120-00-358-2228. Verify interchangeability with system specifications before substitution.
Key specifications for S1573-3: Bearing Surface Type: CHAMFERED; Thread Direction: RIGHT-HAND; Drilled Hole Diameter: 0.062 INCHES NOMINAL IN; Width Across Flats: 0.625 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.