4820-01-511-7773 GEAR OPERATOR,VALVE Index 4320-01-511-7775 SEAL ASSEMBLY,SHAFT,SPRING LOADE

National Stock Number:
5330-01-511-7774

Federal Supply Class:
5330

National Item Identification Number:
015117774

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:
46155001-75058779PARKER HANNIFIN CORP SEAL GROUP GASKET DIV
4615500175030781PARKER-HANNIFIN CORPORATION
ERH821-0001A6-296169ELECTRIC BOAT CORPORATION


Techincal Specification:
CENTER HOLE DIAMETER1.750 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLEU WITH O-RING
CROSS-SECTIONAL HEIGHT0.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION(30781) MOLYTHANE MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL AND DISULFIDE MOLYBDENUM OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYPOLYPAK SEAL
PERIPHERAL DIAMETER2.750 INCHES NOMINAL
PROPRIETARY CHARACTERISTICSPACS


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