Key Washer

4056366
(NSN) National Stock Number
5310-01-125-1221
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
01869
Schedule B Code
7508900000
Summary

0.216 inches minimum and 0.226 inches maximum hole diameter, 0.620 inches minimum and 0.640 inches maximum outside diameter, 0.100 inches minimum and 0.110 inches maximum external prebent key length, 0.110 inches minimum and 0.115 inches maximum external prebent key width, 0.390 inches minimum and 0.400 inches maximum distance from centerline to inside of prebent key, 0.728 inches nominal overall distance including keys

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

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

INC FIIG Concept Condition
01869 A022B0 1 1
Specifications
Hole Diameter
0.216 inches minimum and 0.226 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
0.620 inches minimum and 0.640 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.
External Prebent Key Length
0.100 inches minimum and 0.110 inches maximum
Details None.
External Prebent Key Width
0.110 inches minimum and 0.115 inches maximum
Details None.
Distance From Centerline To Inside Of Prebent Key
0.390 inches minimum and 0.400 inches maximum
Details None.
Overall Distance Including Keys
0.728 inches nominal
Details None.
Material Thickness
0.015 inches minimum and 0.020 inches maximum
Details A measurement of the smallest dimension of the material,in distinction from length or width.
Material
nickel alloy overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
ams5540 assn std 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.
Style Designator
key
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
4056366 11449 2 - 5 9 - SB
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
55210 - U U
RVC WCC TCC SHC
- 576 Z Z
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FAQs
Frequently asked questions for NSN 5310-01-125-1221
What is the NIIN of the NSN 5310-01-125-1221?
The National Item Identification Number (NIIN) of the NSN 5310-01-125-1221 is 01-125-1221
When the NSN 5310-01-125-1221 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Fri, Jan 22, 1982
Does the NSN 5310-01-125-1221 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-01-125-1221 contain any hazardous material?
No data in HMIRS

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