2520-00-978-0647 VALVE ASSEMBLY,MAIN Index 4820-00-978-0649 SLEEVE AND SLIDE,DIRECTIONAL CON

National Stock Number:
2805-00-978-0648

Federal Supply Class:
2805

National Item Identification Number:
009780648

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:
2520009780648SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
2805009780648SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
62.90.0840124BSAPA OPERACIONES SL
835575119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEVERTICAL JOINT
OVERALL WIDTH0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM
MATERIALIRON OVERALL
RADIAL WALL THICKNESS0.0770 INCHES MINIMUM AND 0.0870 INCHES MAXIMUM
RING STYLECONCENTRIC
STANDARD BORE DIAMETER0.701 INCHES


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