The Ring Set,piston, cataloged under National Stock Number 2805-00-374-3802, 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 16 commercial cross-references from 11 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 | 2805-00-374-3802 |
| Primary Part Number | 74S77-020 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Spirolox Inc |
| Status | CANCELLED |
| Piston Accommodation Quantity | 1 |
| Standard Bore Diameter | 3.000 INCHES IN |
| Bore Diameter Oversize | 0.020 INCHES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 74S77-020 PRIMARY | Spirolox Inc (USA) |
| 70623-020 | Dana Corp Engine Products Div (USA) |
| RS1016-020 | Mcquay-Norris Inc Oem Div an Skf Industries Co |
| 3862855-102800 | Chief of Engineers Dept of Army (USA) |
| 33376 | Desa Industries Inc Div of Amca International Corp (USA) |
| 7099-020 | Bosch Automotive Service Solutions Inc. (USA) |
| 7502+20 | Hastings Manufacturing Co Div Hastings Manufacturing Company (USA) |
| RS718-020 | Mcquay-Norris Inc Oem Div an Skf Industries Co |
| 8-5171S1-020 | Hastings Manufacturing Co Div Hastings Manufacturing Company (USA) |
| 7099-020 | Spx Corp (USA) |
| 19S97S1-020 | Spirolox Inc (USA) |
| 292102 PRIMARY | Briggs and Stratton Corp (USA) |
| S70405-020 | Dana Corp Engine Products Div (USA) |
| 7199P20 | Gould Inc Clevite Engine Parts Div (USA) |
| 61336-020 | Briggs and Stratton Corp (USA) |
| 113-11H | Cummins Power Generation Inc. (USA) |
NSN 2805-00-374-3802 is a Ring Set,piston, manufactured by Spirolox Inc, classified under FSC 2805 (No Item Name Available). Status: cancelled.
NSN 2805-00-374-3802 has 16 cross-referenced part numbers: 74S77-020 (Spirolox Inc), 70623-020 (Dana Corp Engine Products Div), RS1016-020 (Mcquay-Norris Inc Oem Div an Skf Industries Co), 3862855-102800 (Chief of Engineers Dept of Army), 33376 (Desa Industries Inc Div of Amca International Corp) and 11 more.
There are 5 known substitutes for 2805-00-374-3802: 3120-00-273-5898, 2805-00-391-3218, 4720-00-960-1653 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 74S77-020: Piston Accommodation Quantity: 1; Standard Bore Diameter: 3.000 INCHES IN; Bore Diameter Oversize: 0.020 INCHES IN. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 2805-00-374-3802 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.