The Ring,piston, cataloged under National Stock Number 2805-00-278-1908, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2805-00-278-1908 |
| Primary Part Number | 42101A |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | CANCELLED |
| Ring Style | CONCENTRIC |
| Joint Style | VERTICAL JOINT |
| Standard Bore Diameter | 4.000 INCHES IN |
| Radial Wall Thickness | 0.1550 INCHES MINIMUM AND 0.1650 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | TWO FILLED GROOVES, STRAIGHT FACE SCRAPER |
| Material | IRON OVERALL |
| Surface Treatment | LEAD OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 2805-00-278-1908 is a Ring,piston, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805 (No Item Name Available). Status: cancelled.
NSN 2805-00-278-1908 has 3 cross-referenced part numbers: 7386 (Dana Corp Engine Products Div), 42101A (Hercules Engine Co Inc), 42101A (Brinkley Technology Group Llc Dba Hercules Manufacturing).
There are 7 known substitutes for 2805-00-278-1908: 6145-00-073-8659, 5307-00-125-3395, 5310-00-827-9512 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 42101A: Ring Style: CONCENTRIC; Joint Style: VERTICAL JOINT; Overall Width: 0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Standard Bore Diameter: 4.000 INCHES IN. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 2805-00-278-1908 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.