Part Number: SM-B-551677

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CONDITION:
NS
US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR80063
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HOLE DIAMETER0.153 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
BOLT CIRCLE DIAMETER4.125 INCHES NOMINAL
OUTSIDE DIAMETER4.500 INCHES NOMINAL
APERTURE DIAMETER3.562 INCHES NOMINAL
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL
BOLT HOLE QUANTITY6
HARDNESS RATING35.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
STYLE DESIGNATORCIRCULAR
A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see WASHER, FLAT; SHIM; BEARING, WASHER, THRUST; and SPACER RING. Excludes DISK, VALVE; SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; SEAL, NONMETALLIC SPECIAL SHAPED SECTION; SHIELDING GASKET, ELECTRONIC; and RING, SEALING JAR.