4820-01-319-5421 VALVE,EXPANSION Index 4310-01-319-5423 RING,PISTON

National Stock Number:
4310-01-319-5422

Federal Supply Class:
4310

National Item Identification Number:
013195422

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:
18-C1791-10B28953RIX INDUSTRIES


Techincal Specification:
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
CROSS-SECTIONAL SHAPE STYLEINSIDE COUNTERBORE, STRAIGHT FACE
JOINT STYLEVERTICAL JOINT
RING STYLECONCENTRIC
RADIAL WALL THICKNESS0.1250 INCHES NOMINAL
OVERALL WIDTH0.1870 INCHES MINIMUM AND
0.2030 INCHES MAXIMUM
STANDARD BORE DIAMETER1.250 INCHES
SPECIAL FEATURESSECOND STAGE; CROSS-SSECTIONAL SHAPE HAS BEVELED EDGES ON OPPOSITE DIAGONAL CORNERS; END KNIFE TRIMMED; BRONZE FILLED


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