2920-01-449-1977 REGULATOR,ENGINE GENERATOR Index 4820-01-449-1979 SEAT,VALVE

National Stock Number:
5330-01-449-1978

Federal Supply Class:
5330

National Item Identification Number:
014491978

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:
1244854719207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
Q-4235-523MZ07322MINNESOTA RUBBER CO
RCSK16048-234623AM GENERAL LLC


Techincal Specification:
CENTER HOLE DIAMETER2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
PERIPHERAL DIAMETER3.239 INCHES MINIMUM AND 3.285 INCHES MAXIMUM


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