4820-00-808-9213 VALVE,SAFETY RELIEF Index 2810-00-808-9220 SEAL RING,METAL

National Stock Number:
5330-00-808-9218

Federal Supply Class:
5330

National Item Identification Number:
008089218

Description:
SEAL RING,METAL

Detail:
A circular shaped item designed to be installed in a specially prepared groove or counterbore to provide a low pressure seal. It may be supplied in various cross-sectional shapes and is cut through at one point to allow for installation and fitting. Excludes items whose primary function is to provide sealing, wiping, or wearing surface capabilities for piston configurations. See also RING, PISTON and RING, WIPER.


Manufacturer Information:
314047R100198PRATT & WHITNEY CANADA CORP
314047R177445RTX CORPORATION


Techincal Specification:
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
FSC APPLICATION DATAENGINE,AIRCRAFT,RECIPROCATING
JOINT STYLEVERTICAL JOINT
OUTSIDE DIAMETER3.221 INCHES NOMINAL
OVERALL WIDTH0.1020 INCHES MINIMUM AND 0.1030 INCHES MAXIMUM
MATERIALIRON OVERALL
METALLIC HARDNESS RATING97.0 MINIMUM ROCKWELL B AND 104.0 MAXIMUM ROCKWELL B
RADIAL WALL THICKNESS0.0960 INCHES MINIMUM AND 0.1060 INCHES MAXIMUM
RING STYLEEXPANDING CONCENTRIC


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