The Ring,piston, cataloged under National Stock Number 2805-00-278-1883, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Hercules Engine Co Inc. Government technical data includes 8 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-278-1883 |
| Primary Part Number | 42297A |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Hercules Engine Co Inc |
| Status | ACTIVE |
| Radial Wall Thickness | 0.1550 INCHES MINIMUM AND 0.1650 INCHES MAXIMUM IN |
| Standard Bore Diameter | 4.000 INCHES IN |
| Joint Style | VERTICAL JOINT |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY RING OVER SIZE |
| Material | IRON OVERALL |
| Ring Style | CONCENTRIC |
| Cross-Sectional Shape Style | BEVELED FACE, SCRAPER, BOTTOM RELIEF |
| Bore Diameter Oversize | 0.010 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2805-00-278-1883 is a Ring,piston, manufactured by Hercules Engine Co Inc, classified under FSC 2805 (No Item Name Available). Status: active.
NSN 2805-00-278-1883 has 2 cross-referenced part numbers: 42297A (Hercules Engine Co Inc), 42297A (Brinkley Technology Group Llc Dba Hercules Manufacturing).
There is 1 known substitute for 2805-00-278-1883: 2805-00-273-0353. Verify interchangeability with system specifications before substitution.
Key specifications for 42297A: Overall Width: 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Radial Wall Thickness: 0.1550 INCHES MINIMUM AND 0.1650 INCHES MAXIMUM IN; Standard Bore Diameter: 4.000 INCHES IN; Joint Style: VERTICAL JOINT. 9 total characteristics are documented in the Federal Logistics Information System.