5310-01-042-8874 WASHER,RECESSED Index 5330-01-042-8878 GASKET

National Stock Number:
5330-01-042-8877

Federal Supply Class:
5330

National Item Identification Number:
010428877

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:
MIL-R-685581349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
APERTURE DIAMETER2.672 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATIONSPCL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.562 INCHES NOMINAL
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
OUTSIDE DIAMETER3.828 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855 CL 2 TY A GR 70 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
NONDEFINITIVE SPEC/STD DATA2 CLASS AND A TYPE AND 70 GRADE
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
STYLE DESIGNATORCIRCULAR


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