The Ring,piston, cataloged under National Stock Number 4310-00-267-5203, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-267-5203 |
| Primary Part Number | 186605PC36 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Ring Style | CONCENTRIC |
| Joint Style | VERTICAL JOINT |
| Standard Bore Diameter | 8.500 INCHES IN |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Radial Wall Thickness | 0.3024 INCHES MAXIMUM IN |
| Material | IRON OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 186605PC36 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 81-2X0-308 | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| 186605PC36 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 91543 PRIMARY | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| 186605PC36 | Ingersoll Rand Co (USA) |
| 186605PC36 | Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA) |
NSN 4310-00-267-5203 is a Ring,piston, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-00-267-5203 has 6 cross-referenced part numbers: 186605PC36 (Siemens Energy, Inc. Dba Dresser-Rand), 81-2X0-308 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 186605PC36 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 91543 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 186605PC36 (Ingersoll Rand Co) and 1 more.
There are 3 known substitutes for 4310-00-267-5203: 5998-01-054-4178, 2940-01-067-8961, 4720-01-287-9321. Verify interchangeability with system specifications before substitution.
Key specifications for 186605PC36: Ring Style: CONCENTRIC; Joint Style: VERTICAL JOINT; Standard Bore Diameter: 8.500 INCHES IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE. 7 total characteristics are documented in the Federal Logistics Information System.