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National Stock Number:
2810-00-294-2914
Federal Supply Class:
2810
National Item Identification Number:
002942914
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.
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Manufacturer Information:
| 68338P20 | 80254 | TEXTRON LYCOMING INC WILLIAMSPORT PLANT |
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Techincal Specification:
| RING STYLE | CONCENTRIC | | RADIAL WALL THICKNESS | 0.2100 INCHES NOMINAL | | OVERALL WIDTH | 0.1850 INCHES NOMINAL | | OIL PASSAGE TYPE AND QUANTITY | 10 SLOT HORIZONTALLY THROUGH RING | | STANDARD BORE DIAMETER | 4.895 INCHES | | BORE DIAMETER OVERSIZE | 0.020 INCHES | | FSC APPLICATION DATA | ENGINE,AIRCRAFT,RECIPROCATING | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 80254 | | DESIGN CONTROL REFERENCE | 68338P20 | | MATERIAL | IRON AND | | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | CAST,533-D,AVLO/LYCOMING DIV,WILLIAMSPORT PLANT MFR REF SINGLE MATERIAL RESPONSE OVERALL | | CROSS-SECTIONAL SHAPE STYLE | BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL | | JOINT STYLE | VERTICAL JOINT |
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