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National Stock Number:
5310-00-514-8223
Federal Supply Class:
5310
National Item Identification Number:
005148223
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:
| S14-35-2385 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| THREAD SERIES | UN | | NOMINAL THREAD SIZE | 3.750 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 4130 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 33.0 ROCKWELL C MAXIMUM | | NUT STYLE | ROUND | | DRIVE POINT DEPTH | 0.146 INCHES MINIMUM AND | | 0.166 INCHES MAXIMUM | | NUT DIAMETER | 4.450 INCHES MINIMUM AND | | 4.470 INCHES MAXIMUM | | NUT THICKNESS | 0.340 INCHES MINIMUM AND | | 0.360 INCHES MAXIMUM | | DRIVE POINT WIDTH | 0.355 INCHES MINIMUM AND | | 0.360 INCHES MAXIMUM | | DRIVE POINT QUANTITY | 4 | | SPECIAL FEATURES | 4 DRILLED HOLES ON 45 DEG ANGLE SPACED 90 DEG APART ON TOP SURFACE |
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