The Ring,piston, cataloged under National Stock Number 2805-00-294-2690, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is United Catalysts Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2805-00-294-2690 |
| Primary Part Number | 4027C2-16 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | United Catalysts Inc |
| Status | CANCELLED |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Standard Bore Diameter | 4.750 INCHES IN |
| Ring Style | CONCENTRIC |
| FSC Application Data | PISTON,COMPRESSOR,REFRIGERATION |
| Radial Wall Thickness | 0.1790 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN |
| Material | IRON OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4027C2-16 | United Catalysts Inc (USA) |
| RNG63 | Jam Handy Organization Inc (USA) |
| RNG63 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| RNG65 | Worthington Compressors Inc Air Power and Construction Equip Div (USA) |
| RNG63 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| RNG63 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| RNG63 | Air Products & Chemicals, Inc (USA) |
| 3890 | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
NSN 2805-00-294-2690 is a Ring,piston, manufactured by United Catalysts Inc, classified under FSC 2805 (No Item Name Available). Status: cancelled.
NSN 2805-00-294-2690 has 8 cross-referenced part numbers: 4027C2-16 (United Catalysts Inc), RNG63 (Jam Handy Organization Inc), RNG63 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), RNG65 (Worthington Compressors Inc Air Power and Construction Equip Div), RNG63 (Siemens Energy, Inc. Dba Dresser-Rand) and 3 more.
There are 9 known substitutes for 2805-00-294-2690: 5325-00-141-7577, 5120-00-248-6663, 5950-00-251-6615 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4027C2-16: Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL JOINT; Standard Bore Diameter: 4.750 INCHES IN; Ring Style: CONCENTRIC. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 2805-00-294-2690 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.