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National Stock Number:
3040-01-161-8212
Federal Supply Class:
3040
National Item Identification Number:
011618212
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:
| 10106962 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 3930AS1610-C8P | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | FR84C8 | 84596 | AVIATION MANUFACTURING GROUP, LLC | | J8-990P | 99121 | PRECISION RINGS INCORPORATED | | ST7M342C8P | 76301 | THE BOEING COMPANY | | ST7M342C8P | 84596 | AVIATION MANUFACTURING GROUP, LLC |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | JOINT STYLE | VERTICAL JOINT | | OVERALL WIDTH | 0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5617 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | RADIAL WALL THICKNESS | 0.0450 INCHES NOMINAL | | RING STYLE | CONCENTRIC | | STANDARD BORE DIAMETER | 0.580 INCHES |
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