The Ring Set,piston, cataloged under National Stock Number 4310-00-391-3173, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-391-3173 |
| Primary Part Number | 204-68 |
| Item Name | Ring Set,piston |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Standard Bore Diameter | 5.000 INCHES IN |
| Piston Accommodation Quantity | 1 |
| Ring Set Component Parts | COMPRESSION RING,18-257,35301,2,OIL RING,18-236,35301,1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 204-68 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
NSN 4310-00-391-3173 is a Ring Set,piston, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-00-391-3173 has 1 cross-referenced part number: 204-68 (Dresser Industries Inc Leroi Div).
There are 5 known substitutes for 4310-00-391-3173: 4820-00-061-5133, 5920-00-284-9220, 5310-00-434-4249 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 204-68: Standard Bore Diameter: 5.000 INCHES IN; Piston Accommodation Quantity: 1; Ring Set Component Parts: COMPRESSION RING,18-257,35301,2,OIL RING,18-236,35301,1. 3 total characteristics are documented in the Federal Logistics Information System.