5330-00-731-9436 PACKING Index 5310-00-731-9451 WASHER,FLAT

National Stock Number:
5330-00-731-9440

Federal Supply Class:
5330

National Item Identification Number:
007319440

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:
76PC22505214COMPUTER MACHINING TECHNOLOGY CORP
ARP568-2251DSA686505262FREUDENBERG-NOK GENERAL PARTNERSHIP


Techincal Specification:
MATERIALRUBBER SYNTHETIC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONIDSA6865 FSCM 05262 MFR REF SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND
0.143 INCHES MAXIMUM
CENTER HOLE DIAMETER1.849 INCHES MINIMUM AND
1.869 INCHES MAXIMUM
PERIPHERAL DIAMETER2.137 INCHES NOMINAL


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