2815-00-391-7063 RING,PISTON Index 4820-00-391-7135 SEAT,VALVE

National Stock Number:
2815-00-391-7069

Federal Supply Class:
2815

National Item Identification Number:
003917069

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:
H-6139-A14541COOPER MACHINERY SERVICES LLC
H6139A55509COOPER CAMERON CORP AJAX-SUPERIOR DIV


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLESTRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
JOINT STYLEVERTICAL JOINT
OVERALL WIDTH0.3730 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM
MATERIALIRON OVERALL
OIL PASSAGE TYPE AND QUANTITY1 SLOT HORIZONTALLY THROUGH RING
OIL PASSAGE TYPE AND QUANTITY1 GROOVE OUTSIDE PERIPHERY
RADIAL WALL THICKNESS0.4710 INCHES MINIMUM AND 0.5110 INCHES MAXIMUM
RING STYLECONCENTRIC
STANDARD BORE DIAMETER14.500 INCHES


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