4520-01-037-1621 HEATER,SPACE,ELECTRIC Index 5310-01-037-1623 WASHER,FLAT

National Stock Number:
5310-01-037-1622

Federal Supply Class:
5310

National Item Identification Number:
010371622

Description:
NUT,PLAIN,ROUND

Detail:
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, KNURLED. (When height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
1200764919204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
DRIVE POINT DEPTH0.250 INCHES NOMINAL
DRIVE POINT QUANTITY6
DRIVE POINT WIDTH0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
MATERIALSTEEL COMP 4130 OR STEEL COMP 4140 OVERALL
NOMINAL THREAD SIZE5.750 INCHES
NUT DIAMETER6.500 INCHES NOMINAL
NUT STYLEROUND
NUT THICKNESS1.000 INCHES NOMINAL
SPECIAL FEATURESTWO 0.060 HOLES PLACED ON 45 DEGREE ANGLE 180 DEGREE FROM ONE OTHER ON PERIFERY OF NUT. HOLE CENTER LOCATED 0.190 INCHES FROM SLOTTED SIDE OF NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH DIAMETERS+5.7083 TO 5.7191 INCHES
THREAD QUANTITY PER INCH12
THREAD SERIESACME


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