Lock Washer

831559

831559
(NSN) National Stock Number
5310-00-013-8561
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
14218
Schedule B Code
-
Summary

0.769 inches minimum and 0.795 inches maximum hole diameter, 1.220 inches minimum and 1.245 inches maximum outside diameter, 0.047 inches minimum and 0.055 inches maximum material thickness, cadmium overall or zinc overall surface treatment, flat internal teeth style designator

DAC HCC DMIL RNCC
X - - 5
RNVC SADC MSDS RNAAC
1 - - 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
0.769 inches minimum and 0.795 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
1.220 inches minimum and 1.245 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
0.047 inches minimum and 0.055 inches maximum
Details A measurement of the smallest dimension of the material,in distinction from length or width.
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 internal 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
B-405 94223 4 - 5 2 - ZC
138561 12204 X - 5 1 - XX
138561 24617 X - 5 1 - XX
12221P11 27618 X - 5 1 - XX
138561 56442 5 - 5 9 - KZ
MILW6986TYPEA 81349 X - 4 1 - XX
MS35333-30 96906 6 - 2 2 - KZ
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
LOCKHEED MARTIN CORP DIV RMS - MITCHEL FIELD
CAGE: 56232
UNIONDALE , NY , 11553-3682
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-013-8561
What is the NIIN of the NSN 5310-00-013-8561?
The National Item Identification Number (NIIN) of the NSN 5310-00-013-8561 is 00-013-8561
When the NSN 5310-00-013-8561 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5310-00-013-8561 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-013-8561 contain any hazardous material?
No data in HMIRS

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