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National Stock Number:
5310-00-943-1987
Federal Supply Class:
5310
National Item Identification Number:
009431987
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:
| 65113-07103-102 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| THREAD SERIES | UNEF | | NOMINAL THREAD SIZE | 1.000 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP E4340 OR | | STEEL COMP 4340 OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OR | | CADMIUM AND | | PHOSPHATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE II CLASS 2 FED SPEC 1ST TREATMENT RESPONSE AND | | QQ-P-416 TYPE II CLASS 2 FED SPEC 2ND TREATMENT RESPONSE AND | | QQ-P-416 TYPE III CLASS 2 FED SPEC 4TH TREATMENT RESPONSE OVERALL | | NUT STYLE | ROUND | | DRIVE POINT DEPTH | 0.221 INCHES MINIMUM AND | | 0.231 INCHES MAXIMUM | | NUT DIAMETER | 1.680 INCHES MINIMUM AND | | 1.690 INCHES MAXIMUM | | NUT THICKNESS | 0.640 INCHES NOMINAL | | DRIVE POINT WIDTH | 0.188 INCHES NOMINAL | | DRIVE POINT QUANTITY | 16 | | HOLE CONFIGURATION STYLE | CONFIGURATION J | | HOLE TYPE AND QUANTITY | 16 TAPPED | | HOLE NOMINAL THREAD DIAMETER | 0.250 INCHES | | HOLE THREAD QUANTITY PER INCH | 28 | | NUT COUNTERBORE DEPTH | 0.115 INCHES NOMINAL WASHER | | COUNTERBORE DIAMETER | 1.210 INCHES MINIMUM AND | | 1.220 INCHES MAXIMUM WASHER | | SPECIAL FEATURES | W/EXTENDED WASHER,2.430 IN. OD,0.125 IN. THK,TAPPED HOLES IN EXTENDED WASHER,2 HOLES 0.046 IN. DIA THRU TOP OF NUT AT 45 DEG ANGLE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | 65113-07103-102 |
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