5331-00-990-8980 O-RING Index 1240-00-990-8983 WINDOW,OPTICAL INSTRUMENT

National Stock Number:
5330-00-990-8981

Federal Supply Class:
5330

National Item Identification Number:
009908981

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:
5330009908981SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
MRQ2507322MINNESOTA RUBBER CO


Techincal Specification:
CENTER HOLE DIAMETER1.359 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLESPECIAL
MATERIALRUBBER SYNTHETIC OVERALL
PERIPHERAL DIAMETER1.625 INCHES NOMINAL


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