4540-01-149-6692 HEATING ELEMENT,ELECTRICAL,IMMER Index 4820-01-149-6694 VALVE,CHECK

National Stock Number:
4730-01-149-6693

Federal Supply Class:
4730

National Item Identification Number:
011496693

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:
15-12-000696169ELECTRIC BOAT CORPORATION
511-468451680064NAVAL SHIP SYSTEMS COMMAND
511-4684516 ITEM F2480064NAVAL SHIP SYSTEMS COMMAND
803-1385943 PIE80064NAVAL SHIP SYSTEMS COMMAND
810-1385943 PIE80064NAVAL SHIP SYSTEMS COMMAND
810-138594396169ELECTRIC BOAT CORPORATION
810-1389543 PC771905DERBYSHIRE MACHINE & TOOL CO
810-1385943PC796169ELECTRIC BOAT CORPORATION


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY AND NICKEL ALLOY OVERALL
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED3000.0 POUNDS PER SQUARE INCH OIL AND 3000.0 POUNDS PER SQUARE INCH WATER
NOMINAL THREAD SIZE2.312 INCHES
NUT STYLEHEXAGON
NUT HEIGHT1.188 INCHES NOMINAL
SHOULDER SEAT DIAMETER2.312 INCHES NOMINAL
SHOULDER STEP WIDTH0.250 INCHES NOMINAL
SHOULDER WIDTH0.250 INCHES NOMINAL
SMALLEST INSIDE DIAMETER1.940 INCHES NOMINAL
WIDTH ACROSS FLATS2.563 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
THREAD SERIESUNS
THREAD PITCH DIAMETERS+2.2175 TO 2.2239 INCHES
THREAD QUANTITY PER INCH12


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