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National Stock Number:
5310-00-938-9514
Federal Supply Class:
5310
National Item Identification Number:
009389514
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:
| 6435-20047-108 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | S6435-20047-108 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| THREAD SERIES | UN | | NOMINAL THREAD SIZE | 2.875 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 4130 OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 33.0 ROCKWELL C MAXIMUM | | NUT STYLE | ROUND | | FLANGE THICKNESS | 0.199 INCHES NOMINAL | | DRIVE POINT DEPTH | 0.094 INCHES NOMINAL | | NUT DIAMETER | 3.355 INCHES NOMINAL | | NUT THICKNESS | 0.344 INCHES NOMINAL | | DRIVE POINT WIDTH | 0.250 INCHES NOMINAL | | UNDERCUT THICKNESS | 0.040 INCHES MINIMUM AND | | 0.050 INCHES MAXIMUM | | 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 BOTH ENDS | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | 6435-20047-108 |
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