The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-533-7574, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Marathon Electric, Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 5310-01-533-7574 |
| Primary Part Number | A-7551-18CC |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Marathon Electric, Llc |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.440 INCHES NOMINAL IN |
| Nut Height | 0.220 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Material | STEEL OVERALL |
| Thread Class | 2B |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 20 |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A-7551-18CC | Marathon Electric, Llc (USA) |
| A-7551 | Marathon Electric, Llc (USA) |
NSN 5310-01-533-7574 is a Nut,plain,hexagon, manufactured by Marathon Electric, Llc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-533-7574 has 2 cross-referenced part numbers: A-7551-18CC (Marathon Electric, Llc), A-7551 (Marathon Electric, Llc).
There is 1 known substitute for 5310-01-533-7574: 4920-00-632-4619. Verify interchangeability with system specifications before substitution.
Key specifications for A-7551-18CC: Thread Direction: RIGHT-HAND; Width Across Flats: 0.440 INCHES NOMINAL IN; Nut Height: 0.220 INCHES NOMINAL IN; Nominal Thread Size: 0.250 INCHES IN. 11 total characteristics are documented in the Federal Logistics Information System.