The Nut,plain,square, cataloged under National Stock Number 5310-00-638-5080, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-638-5080 |
| Primary Part Number | 21263 |
| Item Name | Nut,plain,square |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Bearing Surface Type | FLAT |
| Thread Series | UNF |
| Nominal Thread Size | 0.190 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Thread Class | 2B |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Nut Height | 0.125 INCHES NOMINAL IN |
| Nut Style | SQUARE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21263 PRIMARY | Dresser, Llc (USA) |
NSN 5310-00-638-5080 is a Nut,plain,square, manufactured by Dresser, Llc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-638-5080 has 1 cross-referenced part number: 21263 (Dresser, Llc).
There are 4 known substitutes for 5310-00-638-5080: 2915-00-073-5733, 4720-01-167-2604, 5998-01-235-4548 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21263: Material: STEEL OVERALL; Bearing Surface Type: FLAT; Thread Series: UNF; Nominal Thread Size: 0.190 INCHES IN. 10 total characteristics are documented in the Federal Logistics Information System.