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National Stock Number:
5310-00-003-3887
Federal Supply Class:
5310
National Item Identification Number:
000033887
Description:
NUT,PLAIN,DODECAGON
Detail:
A NUT, FLAT ON TOP AND BOTTOM, HAVING 12 FLAT SIDES. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE WIDTH ACROSS THE FLATS, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. (WHEN HEIGHT OR THICKNESS AND/OR WIDTH ACROSS THE FLATS IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE).
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Manufacturer Information:
| A51B20525-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B20525-1 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B20525-1 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| THREAD SERIES | UNC | | NOMINAL THREAD SIZE | 0.562 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 630 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM | | NUT STYLE | PLAIN, DODECAGON | | NUT HEIGHT | 0.312 INCHES NOMINAL | | WIDTH ACROSS FLATS | 2.062 INCHES NOMINAL | | BEARING SURFACE TYPE | CHAMFERED | | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL NUT | | SPECIAL FEATURES | PREVAILING TORQUE ALL METAL DESIGN LOCKING FEATURE | | BEARING SURFACE FINISH | 125.0 MICROINCHES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 61174 | | DESIGN CONTROL REFERENCE | A51B20525-1 |
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