The Ring Set,piston, cataloged under National Stock Number 2805-00-555-5817, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2805-00-555-5817 |
| Primary Part Number | VF4-4S1 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Wisconsin Motors, Llc |
| Status | CANCELLED |
| Standard Bore Diameter | 3.250 INCHES IN |
| Piston Accommodation Quantity | 1 |
| Ring Set Component Parts | COMPRESSION RING,DC125-2,66289,2,OIL RING,DC125-2,66289,2,OIL RING,DC112A,66289,1,SCRAPER RING,DC210,66289,1 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8178BS1 | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| DC125-2 | Wisconsin Motors, Llc (USA) |
| 4215S1 | Hastings Manufacturing Co Div Hastings Manufacturing Company (USA) |
| 7079S1 | Spx Corp (USA) |
| 11S93S1 | Spirolox Inc (USA) |
| VF4-4S1 PRIMARY | Wisconsin Motors, Llc (USA) |
| S70015 | Dana Corp Engine Products Div (USA) |
| RS1142 | Mcquay-Norris Inc Oem Div an Skf Industries Co |
| 7111 | Muskegon Piston Ring Co Muskegon Products Div (USA) |
| 9-4215S1 | Hastings Manufacturing Co Div Hastings Manufacturing Company (USA) |
| 7079S1 | Bosch Automotive Service Solutions Inc. (USA) |
NSN 2805-00-555-5817 is a Ring Set,piston, manufactured by Wisconsin Motors, Llc, classified under FSC 2805 (No Item Name Available). Status: cancelled.
NSN 2805-00-555-5817 has 11 cross-referenced part numbers: 8178BS1 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), DC125-2 (Wisconsin Motors, Llc), 4215S1 (Hastings Manufacturing Co Div Hastings Manufacturing Company), 7079S1 (Spx Corp), 11S93S1 (Spirolox Inc) and 6 more.
There are 12 known substitutes for 2805-00-555-5817: 3030-00-117-2482, 3110-00-157-0214, 5360-00-254-1876 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for VF4-4S1: Standard Bore Diameter: 3.250 INCHES IN; Piston Accommodation Quantity: 1; Ring Set Component Parts: COMPRESSION RING,DC125-2,66289,2,OIL RING,DC125-2,66289,2,OIL RING,DC112A,66289,1,SCRAPER RING,DC210,66289,1. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 2805-00-555-5817 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.