The Ring Set,piston, cataloged under National Stock Number 2805-00-388-6655, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Spirolox Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2805-00-388-6655 |
| Primary Part Number | RSMS13957-3C |
| Item Name | Ring Set,piston |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Spirolox Inc |
| Status | CANCELLED |
| Standard Bore Diameter | 3.438 INCHES IN |
| Piston Accommodation Quantity | 1 |
| Ring Set Component Parts | COMPRESSION RING 34340YA,TRW INC,1 AND COMPRESSION RING 34340ER,TRW INC,1 AND OIL RING 34340DA,TRW INC,1 AND OIL RING,343409A,TRW INC,1 A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| RSMS13957-3C PRIMARY | Spirolox Inc (USA) |
| DR25S40 | Wisconsin Motors, Llc (USA) |
| 4040-040 | Dana Corp Engine Products Div (USA) |
| RSMS13957-3 PRIMARY | Chief of Engineers Dept of Army (USA) |
| 880061 | Clark Equipment Co (USA) |
| 880061 | Dana Off Highway Products, Llc (USA) |
| 07-880061 | Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA) |
| 56295 | Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA) |
| 129439 | Hyster-Yale Group, Inc. (USA) |
| 190219 | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| FS244T101-040 | Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA) |
| FS244T00101040 | Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA) |
| 07-880061 | Tvh Parts Co. (USA) |
NSN 2805-00-388-6655 is a Ring Set,piston, manufactured by Spirolox Inc, classified under FSC 2805 (No Item Name Available). Status: cancelled.
NSN 2805-00-388-6655 has 13 cross-referenced part numbers: RSMS13957-3C (Spirolox Inc), DR25S40 (Wisconsin Motors, Llc), 4040-040 (Dana Corp Engine Products Div), RSMS13957-3 (Chief of Engineers Dept of Army), 880061 (Clark Equipment Co) and 8 more.
There are 5 known substitutes for 2805-00-388-6655: 5962-00-166-4340, 5841-00-300-3478, 4720-01-353-8485 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for RSMS13957-3C: Standard Bore Diameter: 3.438 INCHES IN; Piston Accommodation Quantity: 1; Ring Set Component Parts: COMPRESSION RING 34340YA,TRW INC,1 AND COMPRESSION RING 34340ER,TRW INC,1 AND OIL RING 34340DA,TRW INC,1 AND OIL RING,343409A,TRW INC,1 A. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 2805-00-388-6655 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.