4730-01-175-8867 COUPLING,HOSE Index 2805-01-175-8869 RING,PISTON

National Stock Number:
3040-01-175-8868

Federal Supply Class:
3040

National Item Identification Number:
011758868

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:
6070-462862DECATUR CYLINDER INC AIR-DRO DIV


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEINTERLOCKING JOINT
OVERALL WIDTH0.1860 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM
MATERIALIRON OVERALL
RADIAL WALL THICKNESS0.2500 INCHES NOMINAL
RING STYLECONCENTRIC
STANDARD BORE DIAMETER4.000 INCHES


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