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National Stock Number:
5310-00-442-8028
Federal Supply Class:
5310
National Item Identification Number:
004428028
Description:
NUT,PLAIN,SQUARE
Detail:
A NUT, FLAT ON TOP AND BOTTOM, HAVING 4 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:
| 1610L20-001 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | HM267511 | 16813 | HURON MACHINE PRODUCTS INC | | S8474 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT | | COUNTERSINK ANGLE | 110.0 DEGREES NOMINAL NUT | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5132 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.375 INCHES | | NUT HEIGHT | 0.250 INCHES NOMINAL | | NUT STYLE | SQUARE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES | UNF | | WIDTH ACROSS FLATS | 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
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