Lock Washer

2-820

2-820
(NSN) National Stock Number
5310-00-012-1752
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
14218
Schedule B Code
7318210000
Summary

0.168 inches minimum and 0.174 inches maximum hole diameter, 0.365 inches minimum and 0.381 inches maximum outside diameter, 0.018 inches minimum and 0.023 inches maximum material thickness, 40.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating, steel overall material, qq-s-633,fs1060 to fs1080-cancelled fed spec all material responses overall material document and classification

DAC HCC DMIL RNCC
X - - 5
RNVC SADC MSDS RNAAC
9 - - XX
Identification

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

INC FIIG Concept Condition
14218 A022B0 1 1
Specifications
Hole Diameter
0.168 inches minimum and 0.174 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
0.365 inches minimum and 0.381 inches maximum
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
0.018 inches minimum and 0.023 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 50.0 rockwell c maximum
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
qq-s-633,fs1060 to fs1080-cancelled fed spec all material responses 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
cadmium overall or zinc 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
flat external teeth
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
PC121752 C7432 3 - 5 2 - ZG
219-8N 28480 X - 5 9 - XX
219-8N 1MY97 5 - 3 2 - ZZ
77837 57733 X - 3 2 - XX
121752 31007 X - 5 9 - XX
121752 12204 X - 3 2 - XX
121752 24617 X - 5 9 - XX
121752 72582 X - 3 2 - XX
121752 7X677 5 - C 1 - ZZ
BEAX7C1 00000 X - 5 9 - XX
BEAX7C2 00000 X - 5 9 - XX
34938S7 23040 X - 5 9 - XX
83029 29201 X - 3 2 - XX
121752 56442 5 - 5 9 - KZ
MILW6986TYPEB 81349 X - 4 1 - XX
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 U
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
MICRODOT INC EVERLOCK CHICAGO DIV
CAGE: 78452
CHICAGO , IL , 60622
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-012-1752
What is the NIIN of the NSN 5310-00-012-1752?
The National Item Identification Number (NIIN) of the NSN 5310-00-012-1752 is 00-012-1752
When the NSN 5310-00-012-1752 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5310-00-012-1752 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-012-1752 contain any hazardous material?
No data in HMIRS

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