Convex Washer

LS5931A4

LS5931A4
(NSN) National Stock Number
5310-00-027-4919
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
15931
Schedule B Code
7616108000
Summary

0.249 inches minimum and 0.269 inches maximum hole diameter, 0.452 inches minimum outside diameter, 0.106 inches nominal material thickness, t-4 solution heat treated, natural aged heat treatment, aluminum alloy 2024 overall material, qq-a-200/3 fed spec single material response overall material document and classification

DAC HCC DMIL RNCC
2 - - 3
RNVC SADC MSDS RNAAC
2 - - KE
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
0.249 inches minimum and 0.269 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Outside Diameter
0.452 inches minimum
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
0.106 inches nominal
Details A measurement of the smallest dimension of the material,in distinction from length or width.
Heat Treatment
t-4 solution heat treated, natural aged
Details A combination of timed heating and cooling operations applied for the purpose of annealing or hardening the item.
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 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
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 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
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
95100 - W -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY
CAGE: 98897
MARIETTA , GA , 30063-0001
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-027-4919
What is the NIIN of the NSN 5310-00-027-4919?
The National Item Identification Number (NIIN) of the NSN 5310-00-027-4919 is 00-027-4919
When the NSN 5310-00-027-4919 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, May 24, 1968
Does the NSN 5310-00-027-4919 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-027-4919 contain any hazardous material?
No data in HMIRS

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