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National Stock Number:
2810-00-031-6318
Federal Supply Class:
2810
National Item Identification Number:
000316318
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:
| 128530P020W | 00198 | PRATT & WHITNEY CANADA CORP | | 128530P020W | 77445 | RTX CORPORATION | | 128530P20W | 00198 | PRATT & WHITNEY CANADA CORP | | 128530P20W | 77445 | RTX CORPORATION | | 31406P20W | 77445 | RTX CORPORATION |
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Techincal Specification:
| MATERIAL | IRON OVERALL | | SURFACE TREATMENT | CHROMIUM OVERALL | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | JOINT STYLE | VERTICAL JOINT | | RING STYLE | CONCENTRIC | | RADIAL WALL THICKNESS | 0.1970 INCHES NOMINAL | | OVERALL WIDTH | 0.1190 INCHES MINIMUM AND | | 0.1200 INCHES MAXIMUM | | STANDARD BORE DIAMETER | 5.500 INCHES | | BORE DIAMETER OVERSIZE | 0.020 INCHES | | FSC APPLICATION DATA | ACFT ENGINE R1830 | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77445 | | DESIGN CONTROL REFERENCE | 128530P20W |
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