The Ring,piston, cataloged under National Stock Number 2810-00-350-4440, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 9 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 | 2810-00-350-4440 |
| Primary Part Number | 69401 |
| Item Name | Ring,piston |
| FSC / FSG | 2810 / 28 — No Item Name Available |
| Manufacturer | Textron Lycoming Inc Williamsport Plant |
| Status | ACTIVE |
| Surface Treatment | CHROMIUM OUTSIDE PERIPHERY |
| FSC Application Data | ENGINE,ACFT,RECIRROCATING |
| Material | IRON AND STEEL OUTSIDE PERIPHERY |
| Oil Passage Type and Quantity | 10 SLOT HORIZONTALLY THROUGH RING |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.2080 INCHES MINIMUM AND 0.2240 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 4.875 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 69401 PRIMARY | Textron Lycoming Inc Williamsport Plant (USA) |
NSN 2810-00-350-4440 is a Ring,piston, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 2810 (No Item Name Available). Status: active.
NSN 2810-00-350-4440 has 1 cross-referenced part number: 69401 (Textron Lycoming Inc Williamsport Plant).
There are 4 known substitutes for 2810-00-350-4440: 2530-00-359-0793, 3030-00-957-1536, 5305-01-069-8908 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 69401: Surface Treatment: CHROMIUM OUTSIDE PERIPHERY; FSC Application Data: ENGINE,ACFT,RECIRROCATING; Overall Width: 0.1840 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM IN; Material: IRON AND STEEL OUTSIDE PERIPHERY. 10 total characteristics are documented in the Federal Logistics Information System.