5305-01-417-2530 SCREW,CAP,SOCKET HEAD Index 5998-01-417-2532 PRINTED CIRCUIT BOARD

National Stock Number:
5310-01-417-2531

Federal Supply Class:
5310

National Item Identification Number:
014172531

Description:
NUT,PLAIN,KNURLED

Detail:
A NUT, ROUND IN SHAPE, HAVING ALL OR PART OF ITS OUTER SURFACE KNURLED. IT MAY HAVE PROVISIONS FOR EXTERNAL WRENCHING. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE OUTSIDE DIAMETER, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. SEE ALSO NUT (1), PLAIN, ROUND. (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:
903-5912048 PIECE 553711NAVAL SEA SYSTEMS COMMAND
903-5912048 PIECE 580090CHARLESTON NAVAL SHIPYARD NAVAL BASE
903-5912048PC553711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
MATERIALSTEEL OVERALL
HARDNESS RATING50.0 ROCKWELL C MINIMUM AND
55.0 ROCKWELL C MAXIMUM
SMALL END DIAMETER1.120 INCHES MINIMUM AND
1.130 INCHES MAXIMUM
NUT DIAMETER1.495 INCHES MINIMUM AND
1.505 INCHES MAXIMUM
NUT THICKNESS0.870 INCHES MINIMUM AND
0.880 INCHES MAXIMUM
KNURL WIDTH0.620 INCHES MINIMUM AND
0.630 INCHES MAXIMUM
SMALL END LENGTH0.245 INCHES MINIMUM AND
0.255 INCHES MAXIMUM
THREAD SERIESUNEF
NOMINAL THREAD SIZE0.875 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2B
THREAD DIRECTIONLEFT-HAND


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