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National Stock Number:
5310-00-950-9655
Federal Supply Class:
5310
National Item Identification Number:
009509655
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:
| 65356-04057-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| DRIVE POINT DEPTH | 0.190 INCHES NOMINAL | | DRIVE POINT QUANTITY | 4 | | DRIVE POINT WIDTH | 0.250 INCHES NOMINAL | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL THREAD SIZE | 3.750 INCHES | | NUT DIAMETER | 4.051 INCHES NOMINAL | | NUT STYLE | ROUND | | NUT THICKNESS | 0.888 INCHES NOMINAL | | SPECIAL FEATURES | 12 HOLEAS EQUALLY SPACED ON NUT SURFACE EACH WITH A OD OF .166-.167 INCHES;1.757 ICHES FROM CENTER TO CENTER OF HOLES ON NUT SURFACE. | | SMALL END DIAMETER | 3.950 INCHES NOMINAL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3B | | THREAD SERIES | UN | | THREAD QUANTITY PER INCH | 16 | | UNDERCUT THICKNESS | 0.538 INCHES NOMINAL |
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