4240-00-565-0253 PROTECTOR,HEARING Index 1420-00-565-0275 CONVERTER,SIGNAL DA

National Stock Number:
5330-00-565-0274

Federal Supply Class:
5330

National Item Identification Number:
005650274

Description:
GASKET

Detail:
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.


Manufacturer Information:
802282218876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
APERTURE DIAMETER6.495 INCHES MINIMUM AND 6.505 INCHES MAXIMUM
BOLT CIRCLE DIAMETER6.995 INCHES MINIMUM AND 7.005 INCHES MAXIMUM
BOLT HOLE QUANTITY12
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
HOLE DIAMETER0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
OUTSIDE DIAMETER7.620 INCHES MINIMUM AND 7.630 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION417,GR 515ABE3F1 MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
MAXIMUM PRESSURE RATING1000.0 POUNDS PER SQUARE INCH
SPECIAL FEATURESPIN MOUNTING HOLE 0.152 IN DIA
STYLE DESIGNATORCIRCULAR
TEMP RATING200.0 FAHRENHEIT


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