2520-00-147-8647 SLEEVE Index 2815-00-147-8654 SEAT,HELICAL COMPRESSION SPRING

National Stock Number:
2520-00-147-8651

Federal Supply Class:
2520

National Item Identification Number:
001478651

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:
M1904AA T0 1904AZ61208TWIN DISC, INCORPORATED
M1904AA TO 1904AZ61208TWIN DISC, INCORPORATED
M1904AQ61208TWIN DISC, INCORPORATED


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEINTERLOCKING JOINT
OVERALL WIDTH0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM
MATERIALIRON OVERALL
RADIAL WALL THICKNESS0.0940 INCHES MINIMUM AND 0.1040 INCHES MAXIMUM
RING STYLECONCENTRIC
STANDARD BORE DIAMETER2.250 INCHES
SURFACE TREATMENTTIN OVERALL


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