5310-00-448-7264 WASHER,KEY Index 3120-00-448-7283 BEARING,SLEEVE

National Stock Number:
5330-00-448-7281

Federal Supply Class:
5330

National Item Identification Number:
004487281

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:
1772970188FRANKLIN ENGINE CO INC
2810MULT00781996U S ARMY AVIATION AND MISSILE COMMAND
WS21412832WESTERN SUPPLIES CO


Techincal Specification:
CENTER HOLE DIAMETER4.547 INCHES MINIMUM AND 4.577 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLEO-RING
FSC APPLICATION DATARECIPROCATING ENGINE,AIRCRAFT
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIALRUBBER SYNTHETIC OVERALL


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