Hexagon Plain Nut

CP-631-181-105

CP-631-181-105
(NSN) National Stock Number
5310-00-140-8118
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
01857
Schedule B Code
7415290000
Summary

2b thread class, right-hand thread direction, hexagon nut style, 0.230 inches nominal nut height, 0.685 inches nominal width across flats, unc thread series

DAC HCC DMIL RNCC
5 - - 3
RNVC SADC MSDS RNAAC
2 - - KZ
Identification

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. 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.)

INC FIIG Concept Condition
01857 A021A0 1 1
Specifications
Thread Class
2b
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Direction
right-hand
Details The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
Nut Style
hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
Nut Height
0.230 inches nominal
Details None.
Width Across Flats
0.685 inches nominal
Details The shortest straight line between flats,perpendicular to the height.
Thread Series
unc
Details A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
Thread Quantity Per Inch
16
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
0.375 inches
Details A designation that is used for the purpose of general identification of the thread.
Bearing Surface Type
chamfered
Details Indicates the type of bearing surface.
Material
copper alloy overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
51-549-401-008 88310 5 - 5 9 - CT
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
48930 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
SIEMENS-ALLIS INC MEDIUM MOTOR-GENERATOR DIV
CAGE: 88310
CINCINNATI , OH , 45212-3396
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-140-8118
What is the NIIN of the NSN 5310-00-140-8118?
The National Item Identification Number (NIIN) of the NSN 5310-00-140-8118 is 00-140-8118
When the NSN 5310-00-140-8118 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Fri, Aug 27, 1971
Does the NSN 5310-00-140-8118 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-00-140-8118 contain any hazardous material?
No data in HMIRS

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