NSN 2825-00-278-1921
Part Details | PISTON RING
2825-00-278-1921 A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; and SEAL RING, METAL.
Alternate Parts: 634A478, 634A478, 634A478001, 634A478-001, 634A478, 634A4781, 634A478-1, 2825-00-278-1921, 00-278-1921, 2825002781921, 002781921
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 28 | JAN 01, 1963 | 00-278-1921 | 11459 ( RING, PISTON ) |
REFERENCE DRAWINGS & PICTURES
PLAIN RECTANGULAR, STRAIGHT FACE
CONCENTRIC
Cross Reference | NSN 2825-00-278-1921
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 634A478 | 81893 | GENERAL ELECTRIC COLYNN RIVER WORKS |
| 634A478 | 24446 | GENERAL ELECTRIC COMPANY |
| 634A478-001 | 01289 | GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT |
| 634A478 | 01289 | GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT |
| 634A478-1 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES,INC. |
Technical Data | NSN 2825-00-278-1921
| Characteristic | Specifications |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |
| RING STYLE | CONCENTRIC |
| RADIAL WALL THICKNESS | 0.3590 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM |
| OVERALL WIDTH | 0.8720 INCHES NOMINAL |
| STANDARD BORE DIAMETER | 10.500 INCHES |
| FSC APPLICATION DATA | TURBINE,STEAM |
