The Ring,piston, cataloged under National Stock Number 2805-00-516-9273, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-516-9273 |
| Primary Part Number | 21134 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Material | IRON OVERALL |
| Cross-Sectional Shape Style | STRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL |
| Oil Passage Type and Quantity | 1 GROOVE OUTSIDE PERIPHERY |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 4.250 INCHES IN |
| FSC Application Data | ENGINE GASOLINE NONAIRCRAFT |
| Radial Wall Thickness | 0.1770 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2805-00-516-9273 is a Ring,piston, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805 (No Item Name Available). Status: active.
NSN 2805-00-516-9273 has 2 cross-referenced part numbers: 21134 (Hercules Engine Co Inc), 21134 (Brinkley Technology Group Llc Dba Hercules Manufacturing).
There are 10 known substitutes for 2805-00-516-9273: 9540-00-251-1896, 6125-00-440-3131, 5998-00-516-2479 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21134: Material: IRON OVERALL; Cross-Sectional Shape Style: STRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL; Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY; Ring Style: CONCENTRIC. 8 total characteristics are documented in the Federal Logistics Information System.