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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:
| THREAD SERIES | UNS | | NOMINAL THREAD SIZE | 4.000 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 4130 OVERALL | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM | | NUT STYLE | ROUND | | SMALL END DIAMETER | 4.375 INCHES NOMINAL | | DRIVE POINT DEPTH | 0.125 INCHES NOMINAL | | NUT DIAMETER | 4.500 INCHES NOMINAL | | NUT THICKNESS | 0.875 INCHES NOMINAL | | DRIVE POINT WIDTH | 0.375 INCHES NOMINAL | | UNDERCUT THICKNESS | 0.500 INCHES NOMINAL | | DRIVE POINT QUANTITY | 6 | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | S10-10-1443 |
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