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National Stock Number:
2810-00-277-3856
Federal Supply Class:
2810
National Item Identification Number:
002773856
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:
| 105740P005 | 00198 | PRATT & WHITNEY CANADA CORP | | 105740P005 | 77445 | RTX CORPORATION | | 105749P5 | 00198 | PRATT & WHITNEY CANADA CORP | | 105749P5 | 77445 | RTX CORPORATION |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 928 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7320B ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | SILVER OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2412 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | JOINT STYLE | STEP JOINT | | RING STYLE | CONCENTRIC | | RADIAL WALL THICKNESS | 0.1900 INCHES MINIMUM AND | | 0.2000 INCHES MAXIMUM | | OVERALL WIDTH | 0.1240 INCHES MINIMUM AND | | 0.1250 INCHES MAXIMUM | | STANDARD BORE DIAMETER | 5.812 INCHES | | BORE DIAMETER OVERSIZE | 0.005 INCHES | | FSC APPLICATION DATA | ACFT ENG R2800 | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77445 | | DESIGN CONTROL REFERENCE | 105749P5 |
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