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National Stock Number:
4310-01-517-9048
Federal Supply Class:
4310
National Item Identification Number:
015179048
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:
| 117921-0020 | 99657 | MAROTTA CONTROLS INC | | 117921-0020CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 284060-0003 ITEM 13 | 99657 | MAROTTA CONTROLS INC | | 284060-0003 ITEM 13CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | JOINT STYLE | VERTICAL JOINT | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL WIDTH | 0.0670 INCHES MINIMUM AND 0.0690 INCHES MAXIMUM | | RADIAL WALL THICKNESS | 0.0630 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D | | RING STYLE | CONCENTRIC | | SPECIAL FEATURES | JOINT CUT 45 DEG TO RIGHT OF CENTER LINE | | STANDARD BORE DIAMETER | 0.896 INCHES |
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