5330-01-190-4639 PACKING,PREFORMED Index 5330-01-190-4641 GASKET

National Stock Number:
5330-01-190-4640

Federal Supply Class:
5330

National Item Identification Number:
011904640

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:
240213-209205LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV
240213-29J525NOWAK TOOL AND MFG INC


Techincal Specification:
CENTER HOLE DIAMETER0.275 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT0.020 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
PERIPHERAL DIAMETER0.375 INCHES NOMINAL
PROPRIETARY CHARACTERISTICSPACS
TEMP RATING500.0 DEG FAHRENHEIT


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