5310-00-298-0131 WASHER,FLAT Index 5310-00-298-0138 WASHER,FLAT

National Stock Number:
5330-00-298-0132

Federal Supply Class:
5330

National Item Identification Number:
002980132

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.


Techincal Specification:
APERTURE DIAMETER3.672 INCHES MINIMUM AND 3.704 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
OUTSIDE DIAMETER3.859 INCHES MINIMUM AND 3.891 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 GRADE 4AA910 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALRUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OR RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
STYLE DESIGNATORCIRCULAR


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