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National Stock Number:
5310-01-135-1183
Federal Supply Class:
5310
National Item Identification Number:
011351183
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:
| 65391-11724-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| THREAD SERIES | UNS | | NOMINAL THREAD SIZE | 1.967 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3B | | THREAD DIRECTION | LEFT-HAND | | MATERIAL | STEEL COMP 4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13954 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM | | NUT STYLE | ROUND | | FLANGE THICKNESS | 0.250 INCHES NOMINAL | | DRIVE POINT DEPTH | 0.133 INCHES MINIMUM AND | | 0.137 INCHES MAXIMUM | | NUT DIAMETER | 2.220 INCHES MINIMUM AND | | 2.230 INCHES MAXIMUM | | NUT THICKNESS | 0.550 INCHES NOMINAL | | DRIVE POINT WIDTH | 0.240 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | UNDERCUT THICKNESS | 0.060 INCHES NOMINAL | | DRIVE POINT QUANTITY | 8 | | COUNTERSINK ANGLE | 85.0 DEGREES MINIMUM AND | | 95.0 DEGREES MAXIMUM BOTH ENDS | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | 65391-11724-101 |
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