5365-00-799-7048 SPACER,RING Index 5330-00-799-7052 GASKET

National Stock Number:
5330-00-799-7049

Federal Supply Class:
5330

National Item Identification Number:
007997049

Description:
PACKING,PREFORMED

Detail:
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see WASHER (as modified) and GASKET. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; and SEAL, NONMETALLIC, SPECIAL SHAPED SECTION. For circular (with aperature) nonmetallic items with a solid round cross-section see O-RING. Excludes CUP, COMPRESSION; GASKET; WASHER (as modified); and FELT, MECHANICAL, PREFORMED.


Manufacturer Information:
9800-320X1PC24-1-2IN96169ELECTRIC BOAT CORPORATION
9800-320X1PC24-1-8IN96169ELECTRIC BOAT CORPORATION


Techincal Specification:
CENTER HOLE DIAMETER0.438 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLEOVAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
PERIPHERAL DIAMETER0.622 INCHES MINIMUM AND 0.624 INCHES MAXIMUM


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