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National Stock Number:
4310-01-220-0021
Federal Supply Class:
4310
National Item Identification Number:
012200021
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:
| 6557-.093 | 70642 | ATKOMATIC VALVE CO INC | | 6557-.093 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | OVERALL WIDTH | 0.1140 INCHES MINIMUM AND 0.1180 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | RING STYLE | CONCENTRIC |
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