2825-00-271-9044 RING,PISTON Index 2825-00-271-9046 RING,PISTON

National Stock Number:
2825-00-271-9045

Federal Supply Class:
2825

National Item Identification Number:
002719045

Description:
RING,PISTON

Detail:
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.


Manufacturer Information:
D25747-3350BR59SIEMENS GOVERNMENT TECHNOLOGIES, INC.
D25747-335830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
D30340-1910BR59SIEMENS GOVERNMENT TECHNOLOGIES, INC.
D25747-3358FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
D25747-33593232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
D25747-33593235TURBODYNE DIV OF DRESSER INDUSTRIES INC SEE CODE 0BR59
D30404PC1910BR59SIEMENS GOVERNMENT TECHNOLOGIES, INC.
D30404PC191830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
D30340-191830Q4CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
D30340-1918FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
D30404PC1918FGX3CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
D30404PC19193232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
D30340-19193232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
D30340-19193235TURBODYNE DIV OF DRESSER INDUSTRIES INC SEE CODE 0BR59
D30404PC19193235TURBODYNE DIV OF DRESSER INDUSTRIES INC SEE CODE 0BR59


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
FSC APPLICATION DATATURBINE,STEAM
OVERALL WIDTH0.1870 INCHES NOMINAL
MATERIALIRON OVERALL
RADIAL WALL THICKNESS0.1520 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM
RING STYLECONCENTRIC
STANDARD BORE DIAMETER4.000 INCHES


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