Shouldered and Recessed Washer

42801A

42801A
(NSN) National Stock Number
5310-01-055-2028
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
15935
Schedule B Code
7616108000
Summary

0.665 inches minimum and 0.668 inches maximum hole diameter, 0.964 inches minimum and 0.966 inches maximum shoulder diameter, 0.990 inches minimum and 0.991 inches maximum outside diameter, 0.825 inches minimum and 0.833 inches maximum recess diameter, 0.060 inches minimum and 0.064 inches maximum shoulder height, 0.443 inches minimum and 0.453 inches maximum recess depth

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

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

INC FIIG Concept Condition
15935 A022B0 1 1
Specifications
Hole Diameter
0.665 inches minimum and 0.668 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Shoulder Diameter
0.964 inches minimum and 0.966 inches maximum
Details The length of a straight line which passes through the center of a shoulder,and terminates at the circumference.
Outside Diameter
0.990 inches minimum and 0.991 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.
Recess Diameter
0.825 inches minimum and 0.833 inches maximum
Details The length of a straight line which passes through the center of the recess,and terminates at the circumference.
Shoulder Height
0.060 inches minimum and 0.064 inches maximum
Details None.
Recess Depth
0.443 inches minimum and 0.453 inches maximum
Details A measurement between specified points on the recess,in distinction from height.
Material Thickness
0.449 inches minimum and 0.459 inches maximum
Details A measurement of the smallest dimension of the material,in distinction from length or width.
Material
aluminum alloy 2024 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
qq-a-200/3 fed spec 1st material response overall and qq-a-225/6,t351 fed spec 2nd 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
anodize 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
mil-a-8625,ty 2 mil spec 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
shouldered and recessed
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
95100 - G J
RVC WCC TCC SHC
1 576 Z Z

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Manufacturer
ITT AEROSPACE CONTROLS LLC DBA ITT AEROSPACE CONTROLS UNIT S
CAGE: 73760
VALENCIA , CA , 91355-4100
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-01-055-2028
What is the NIIN of the NSN 5310-01-055-2028?
The National Item Identification Number (NIIN) of the NSN 5310-01-055-2028 is 01-055-2028
When the NSN 5310-01-055-2028 was assigned to the Federal Catalog?
It was assigned 46 years ago, on Fri, Feb 3, 1978
Does the NSN 5310-01-055-2028 contain any precious metals?
Type/content is unknown
Does the NSN 5310-01-055-2028 contain any hazardous material?
No data in HMIRS

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