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National Stock Number:
5310-00-303-1231
Federal Supply Class:
5310
National Item Identification Number:
003031231
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.)
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Manufacturer Information:
| S10-10-1443 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| DRIVE POINT DEPTH | 0.125 INCHES NOMINAL | | DRIVE POINT QUANTITY | 6 | | DRIVE POINT WIDTH | 0.375 INCHES NOMINAL | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL THREAD SIZE | 4.000 INCHES | | NUT DIAMETER | 4.500 INCHES NOMINAL | | NUT STYLE | ROUND | | NUT THICKNESS | 0.875 INCHES NOMINAL | | SMALL END DIAMETER | 4.375 INCHES NOMINAL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNS | | THREAD QUANTITY PER INCH | 16 | | UNDERCUT THICKNESS | 0.500 INCHES NOMINAL |
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