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National Stock Number:
2805-01-161-8213
Federal Supply Class:
2805
National Item Identification Number:
011618213
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:
| 10106405 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 3930AS1610-C19P | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | | J3-1040 | 99121 | PRECISION RINGS INCORPORATED | | J8-991P | 99121 | PRECISION RINGS INCORPORATED | | ST7M342-19 | 76301 | THE BOEING COMPANY | | ST7M342C19P | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | | JOINT STYLE | VERTICAL JOINT | | OVERALL WIDTH | 0.0900 INCHES MINIMUM AND 0.0910 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 | 0.893 INCHES |
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