5330-00-390-0688 PACKING,PREFORMED Index 5305-00-390-0693 SCREW,CAP,SOCKET HEAD

National Stock Number:
5330-00-390-0689

Federal Supply Class:
5330

National Item Identification Number:
003900689

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:
7221MT160P55F573GREENE TWEED & CO INC
7221MT160P572902PALMETTO INC
GS570CL1126512NORTHROP GRUMMAN SYSTEMS CORPORATION
GS570CL115F573GREENE TWEED & CO INC


Techincal Specification:
CENTER HOLE DIAMETER1.418 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT0.297 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLESPECIAL
MATERIALRUBBER SYNTHETIC OVERALL
PERIPHERAL DIAMETER1.696 INCHES NOMINAL


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