The Nut,plain,round, cataloged under National Stock Number 5310-00-543-2369, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 12 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 | 5310-00-543-2369 |
| Primary Part Number | 66638 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Drive Point Depth | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Thread Quantity Per Inch | 12 |
| Nominal Thread Size | 1.312 INCHES IN |
| Thread Series | UN |
| Drive Point Width | 0.375 INCHES NOMINAL IN |
| Nut Diameter | 3.860 INCHES MINIMUM AND 3.880 INCHES MAXIMUM IN |
| Nut Thickness | 0.375 INCHES NOMINAL IN |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Direction | RIGHT-HAND |
| Drive Point Quantity | 4 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 66638 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5310-00-543-2369 is a Nut,plain,round, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-543-2369 has 1 cross-referenced part number: 66638 (L3harris Technologies, Inc Div Space & Airborne Systems).
There are 4 known substitutes for 5310-00-543-2369: 4720-00-624-0263, 5930-00-802-2784, 3455-01-044-7951 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 66638: Drive Point Depth: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Material: STEEL OVERALL; Thread Quantity Per Inch: 12; Nominal Thread Size: 1.312 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.