The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-638-6026, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-638-6026 |
| Primary Part Number | 21181 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Thread Quantity Per Inch | 18 |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Bearing Surface Type | CHAMFERED |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Style | HEXAGON |
| Nut Height | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.562 INCHES NOMINAL IN |
| Thread Class | 3B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21181 PRIMARY | Dresser, Llc (USA) |
NSN 5310-00-638-6026 is a Nut,plain,hexagon, manufactured by Dresser, Llc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-638-6026 has 1 cross-referenced part number: 21181 (Dresser, Llc).
There are 6 known substitutes for 5310-00-638-6026: 4810-00-167-6045, 5905-00-660-6930, 5310-01-143-4201 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21181: Material: STEEL OVERALL; Thread Quantity Per Inch: 18; Thread Series: UNIFIED NATIONAL COARSE (UNC); Bearing Surface Type: CHAMFERED. 10 total characteristics are documented in the Federal Logistics Information System.