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National Stock Number:
2810-00-430-7857
Federal Supply Class:
2810
National Item Identification Number:
004307857
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:
| 69330P20 | 80254 | TEXTRON LYCOMING INC WILLIAMSPORT PLANT |
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Techincal Specification:
| BORE DIAMETER OVERSIZE | 0.020 INCHES | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | FSC APPLICATION DATA | GASOLINE RECIPROCATING ENGINES,AIRCRAFT | | JOINT STYLE | VERTICAL JOINT | | MATERIAL | IRON OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL WIDTH | 0.0927 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM | | RADIAL WALL THICKNESS | 0.2020 INCHES MINIMUM AND 0.2120 INCHES MAXIMUM | | RING STYLE | CONCENTRIC | | STANDARD BORE DIAMETER | 5.145 INCHES | | SURFACE TREATMENT | CHROMIUM OUTSIDE PERIPHERY |
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