5355-00-068-6549 KNOB Index 2805-00-068-6551 RING,PISTON

National Stock Number:
2805-00-068-6550

Federal Supply Class:
2805

National Item Identification Number:
000686550

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:
114H6823-246YF5MAVEN ENGINEERING CORPORATION
114H6823-277272THE BOEING COMPANY


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEVERTICAL JOINT
OVERALL WIDTH0.1820 INCHES MINIMUM AND 0.1840 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7947 COMP 1095 COND T MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
RADIAL WALL THICKNESS0.0400 INCHES NOMINAL
RING STYLECONCENTRIC
SPECIAL FEATURESMAX SURFACE FINISH,LEFT AND RIGHT SIDES 32 MICROINCHES AA,ID AND OD125 MICROINCHES AA
STANDARD BORE DIAMETER2.848 INCHES


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