4470-00-890-7910 SPRING,LOWER Index 4470-00-890-7912 DISK,UPPER

National Stock Number:
5330-00-890-7911

Federal Supply Class:
5330

National Item Identification Number:
008907911

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:
AV77-742PC17-4004845AUTOMATIC SWITCH COMPANY
GV22-525-5-70D04845AUTOMATIC SWITCH COMPANY
JV81-862-904845AUTOMATIC SWITCH COMPANY


Techincal Specification:
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL
CENTER HOLE DIAMETER0.250 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MATERIAL IN ACCORDANCE WITH ACTIVITY HXQUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
THE MANUFACTURERS DATA
MANUFACTURERS CODE04845
DESIGN CONTROL REFERENCEGV22-525-5-70D


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