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National Stock Number:
5310-00-010-3081
Federal Supply Class:
5310
National Item Identification Number:
000103081
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:
| S6135-20622-2 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| THREAD SERIES | BUTTRESS | | NOMINAL THREAD SIZE | 3.125 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD PITCH DIAMETERS | 3.0750 TO 3.0803 INCHES | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 4130 OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 33.0 ROCKWELL C MAXIMUM | | NUT STYLE | ROUND | | FLANGE THICKNESS | 0.237 INCHES NOMINAL | | DRIVE POINT DEPTH | 0.187 INCHES NOMINAL | | NUT DIAMETER | 3.656 INCHES NOMINAL | | NUT THICKNESS | 0.405 INCHES NOMINAL | | DRIVE POINT WIDTH | 0.375 INCHES NOMINAL | | UNDERCUT THICKNESS | 0.070 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | | DRIVE POINT QUANTITY | 8 | | HOLE CONFIGURATION STYLE | CONFIGURATION F | | HOLE TYPE AND QUANTITY | 8 DRILLED | | DRILLED HOLE DIAMETER | 0.125 INCHES NOMINAL | | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL BOTH ENDS | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | S6135-20622-2 |
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