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National Stock Number:
5310-00-193-0555
Federal Supply Class:
5310
National Item Identification Number:
001930555
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:
| S6135-20873-1 | 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 OR | | STEEL COMP 4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND D MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SS-8416,UNITED AIRCRAFT CORP,SIKORSKY AIRCRAFT DIV MFR REF SINGLE TREATMENT RESPONSE 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 | | 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 NUT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | S6135-20873-1 |
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