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National Stock Number:
2810-00-294-2930
Federal Supply Class:
2810
National Item Identification Number:
002942930
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:
| 119575P12W | 77445 | RTX CORPORATION | | AS119575P12W | 12776 | AIRCRAFT SUPPLIES |
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Techincal Specification:
| BORE DIAMETER OVERSIZE | 0.012 INCHES | | CROSS-SECTIONAL SHAPE STYLE | PLAIN KEYSTONE, STRAIGHT RADII FACE | | FSC APPLICATION DATA | ENGINE RECIPROCATING,AIRCRAFT | | OVERALL WIDTH | 0.1365 INCHES MINIMUM AND 0.1375 INCHES MAXIMUM | | JOINT STYLE | VERTICAL JOINT | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7311 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON OVERALL | | RING STYLE | CONCENTRIC | | RADIAL WALL THICKNESS | 0.1850 INCHES NOMINAL | | SPECIAL FEATURES | PLATING TO BE 0.006 IN. TO 0.008 IN. THK | | STANDARD BORE DIAMETER | 5.750 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2407 ASSN STD SINGLE TREATMENT RESPONSE OUTSIDE PERIPHERY | | SURFACE TREATMENT | CHROMIUM OUTSIDE PERIPHERY |
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