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National Stock Number:
5310-00-943-1990
Federal Supply Class:
5310
National Item Identification Number:
009431990
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:
| S6135-20053 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| THREAD SERIES | UNS | | NOMINAL THREAD SIZE | 2.156 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 4130 OR | | STEEL COMP E4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND D MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 33.0 ROCKWELL C MAXIMUM | | NUT STYLE | ROUND | | SMALL END DIAMETER | 2.480 INCHES NOMINAL | | DRIVE POINT DEPTH | 0.094 INCHES NOMINAL | | NUT DIAMETER | 2.750 INCHES NOMINAL | | NUT THICKNESS | 0.312 INCHES NOMINAL | | DRIVE POINT WIDTH | 0.250 INCHES NOMINAL | | UNDERCUT THICKNESS | 0.100 INCHES NOMINAL | | DRIVE POINT QUANTITY | 8 | | HOLE CONFIGURATION STYLE | CONFIGURATION F | | HOLE TYPE AND QUANTITY | 8 DRILLED | | DRILLED HOLE DIAMETER | 0.067 INCHES NOMINAL | | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL NUT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | S6135-20053 |
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