4520-01-331-6126 HEATER,DUCT TYPE,STATIONARY Index 5330-01-331-6128 GASKET

National Stock Number:
4730-01-331-6127

Federal Supply Class:
4730

National Item Identification Number:
013316127

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:
A41424080020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
A414240-1480020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE5.250 INCHES
NUT HEIGHT2.125 INCHES NOMINAL
NUT STYLEHEXAGON
SHOULDER STEP WIDTH0.500 INCHES NOMINAL
SHOULDER WIDTH0.375 INCHES NOMINAL
SHOULDER SEAT DIAMETER5.255 INCHES NOMINAL
SMALLEST INSIDE DIAMETER3.563 INCHES NOMINAL
WIDTH ACROSS FLATS6.000 INCHES NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUN


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