Convex Washer

B312001109-1

B312001109-1
(NSN) National Stock Number
5310-00-441-9769
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
15931
Schedule B Code
7318220000
Summary

0.406 inches minimum and 0.411 inches maximum hole diameter, 0.116 inches minimum and 0.119 inches maximum material thickness, 32.0 microinches bottom surface finish, 63.0 microinches top surface finish, steel comp 416 overall material, qq-s-764 fed spec single material response overall material document and classification

DAC HCC DMIL RNCC
1 - - 3
RNVC SADC MSDS RNAAC
2 - - KZ
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 raised to form a curved or spherical contour. See also washer (1), concave. Excludes:bearing, washer thrust.

INC FIIG Concept Condition
15931 A022B0 1 1
Specifications
Hole Diameter
0.406 inches minimum and 0.411 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Material Thickness
0.116 inches minimum and 0.119 inches maximum
Details A measurement of the smallest dimension of the material,in distinction from length or width.
Surface Finish
32.0 microinches bottom
Details Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
Surface Finish
63.0 microinches top
Details Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
Material
steel comp 416 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
qq-s-764 fed spec single material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Surface Treatment
passivate 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.
Surface Treatment Document And Classification
b190000120,fscm 81100 mfr ref single treatment response overall
Details The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
Style Designator
convex
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
55210 - U -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
KEARFOTT CORPORATION DIV GUIDANCE AND NAVIGATION DIVISION
CAGE: 88818
PINE BROOK , NJ , 07058-9385
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-441-9769
What is the NIIN of the NSN 5310-00-441-9769?
The National Item Identification Number (NIIN) of the NSN 5310-00-441-9769 is 00-441-9769
When the NSN 5310-00-441-9769 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Dec 12, 1969
Does the NSN 5310-00-441-9769 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-441-9769 contain any hazardous material?
No data in HMIRS

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