4220-01-504-8278 LIFE PRESERVER,VEST Index 4220-01-504-8280 LIFE PRESERVER,VEST

National Stock Number:
5330-01-504-8279

Federal Supply Class:
5330

National Item Identification Number:
015048279

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:
11476016-218876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
APERTURE DIAMETER3.380 INCHES NOMINAL
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER4.750 INCHES NOMINAL
CROSS-SECTIONAL THICKNESS0.500 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HOLE DIAMETER0.112 INCHES NOMINAL
OUTSIDE DIAMETER5.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-46089, GRADE M MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER SILICONE CLASS Q OVERALL
STYLE DESIGNATORCIRCULAR


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