Concave Washer

66331

66331
(NSN) National Stock Number
5310-00-791-1638
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
15930
Schedule B Code
7318220000
Summary

0.201 inches minimum and 0.202 inches maximum hole diameter, 0.188 inches nominal radius, 0.312 inches nominal outside diameter, 0.062 inches minimum and 0.063 inches maximum material thickness, 40.0 rockwell c minimum and 48.0 rockwell c maximum hardness rating, black overall color

DAC HCC DMIL RNCC
1 - - 5
RNVC SADC MSDS RNAAC
9 - - TX
Identification

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes:washer (1), recessed and bearing, washer, thrust.

INC FIIG Concept Condition
15930 A022B0 1 1
Specifications
Hole Diameter
0.201 inches minimum and 0.202 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Radius
0.188 inches nominal
Details The distance from the centerline to the axis of the item.
Outside Diameter
0.312 inches nominal
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
Material Thickness
0.062 inches minimum and 0.063 inches maximum
Details A measurement of the smallest dimension of the material,in distinction from length or width.
Hardness Rating
40.0 rockwell c minimum and 48.0 rockwell c maximum
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Color
black overall
Details A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.
Material
steel comp 630 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
oxide overall
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Style Designator
concave
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
SC-C-61466 80063 5 - 3 2 - TX
SC-C-61466 56582 5 - 5 9 - TX
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
49790 - Q -
RVC WCC TCC SHC
- 72D Z 9

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Manufacturer
L3 TECHNOLOGIES, INC. DBA INSIGHT TECHNOLOGY DIVISION DIV INSIGHT TECHNOLOGY DIVISION
CAGE: 27777
GARLAND , TX , 75041-6134
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-791-1638
What is the NIIN of the NSN 5310-00-791-1638?
The National Item Identification Number (NIIN) of the NSN 5310-00-791-1638 is 00-791-1638
When the NSN 5310-00-791-1638 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, Apr 19, 1968
Does the NSN 5310-00-791-1638 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-00-791-1638 contain any hazardous material?
No data in HMIRS

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