3040-01-430-2755 SHAFT,SHOULDERED Index 4520-01-430-2757 HEATER,DUCT TYPE,STATIONARY

National Stock Number:
4730-01-430-2756

Federal Supply Class:
4730

National Item Identification Number:
014302756

Description:
NUT,UNION

Detail:
AN INTERNALLY THREADED NUT WHICH HAS AN INTERNAL SEAT OR SHOULDER DESIGNED TO ENGAGE THE NUT RETAINING FLANGE OF A UNION TAILPIECE. THE THREADED PORTION IS USED TO ENGAGE THE THREAD PIECE OF A UNION, UNION ELBOR OR THE LIKE. EXCLUDES NUT (1), TUBE COUPLING.


Manufacturer Information:
698346853711NAVAL SEA SYSTEMS COMMAND
803-6983468-PC15353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIESUNS
NOMINAL THREAD SIZE1.491 INCHES
THREAD QUANTITY PER INCH14
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.734 INCHES NOMINAL
WIDTH ACROSS FLATS1.781 INCHES NOMINAL
SMALLEST INSIDE DIAMETER1.220 INCHES NOMINAL
SHOULDER STEP WIDTH0.145 INCHES NOMINAL
SHOULDER SEAT DIAMETER1.419 INCHES NOMINAL


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