4820-00-542-2028 VALVE,STOP-CHECK Index 4730-00-542-2032 PACKING NUT

National Stock Number:
4730-00-542-2031

Federal Supply Class:
4730

National Item Identification Number:
005422031

Description:
SPACER,FLEXIBLE,PIPELINE

Detail:
AN ITEM MADE FROM RUBBER IN VARIOUS SHAPES, FLANGED ON EACH END, AND HAVING A CENTRALLY LOCATED HOLE OF THE SAME SIZE AS THE PIPING WITH WHICH USED. IT IS DESIGNED TO BE INSERTED BETWEEN SECTIONS OF PIPE OR PIPE AND CASING OF FANS, PUMPS, OR THE LIKE, TO ABSORB SHOCK, DAMPEN VIBRATION AND TO FACILITATE REMOVAL OF SECTION(S) FOR REPAIR OR OTHER PURPOSES.


Manufacturer Information:
585-211-1714521PC253711NAVAL SEA SYSTEMS COMMAND
585-211-1714521REAVAPC280064NAVAL SHIP SYSTEMS COMMAND
8572-035REVAPC296169ELECTRIC BOAT CORPORATION


Techincal Specification:
DUROMETER HARDNESS RATING40.0 NOMINAL
BODY LENGTH2.125 INCHES NOMINAL
FABRICATION METHODMOLDED
FLANGE HEIGHT1.750 INCHES NOMINAL
FLANGE THICKNESS0.188 INCHES NOMINAL
INSIDE DIAMETER23.000 INCHES NOMINAL
OUTSIDE DIAMETER26.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855, CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALRUBBER CHLOROPRENE CLASS CR
STYLE DESIGNATORROUND
THICKNESS0.188 INCHES NOMINAL


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