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National Stock Number:
2825-00-106-8440
Federal Supply Class:
2825
National Item Identification Number:
001068440
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:
| 12-31106-2 | 75370 | KAYDON RING & SEAL INC | | 12-31106-2 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | JOINT STYLE | VERTICAL JOINT | | OVERALL WIDTH | 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | TYPE G3000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | IRON OVERALL | | RADIAL WALL THICKNESS | 0.5450 INCHES MINIMUM AND 0.5530 INCHES MAXIMUM | | RING STYLE | CONCENTRIC | | SPECIAL FEATURES | ITEM IS A NON-AVIATION CRITICAL SAFETY ITEM (CSI) WHOSE FAILURE WILL RESULT IN SERIOUS DAMAGE TO EQUIPMENT OR SERIOUS INJURY OR DEATH TO PERSONNEL. | | STANDARD BORE DIAMETER | 17.875 INCHES |
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