Flat Washer

LA494-23

LA494-23
(NSN) National Stock Number
5310-00-012-0388
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
13393
Schedule B Code
7318220000
Summary

Rectangular cross-sectional shape style, 0.437 inches nominal hole diameter, round peripheral shape style, round center hole shape style, 0.083 inches nominal thickness, 1.000 inches nominal overall diameter

DAC HCC DMIL RNCC
4 - - 5
RNVC SADC MSDS RNAAC
9 - - KZ
Identification

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

INC FIIG Concept Condition
13393 A022B0 1 1
Specifications
Cross-Sectional Shape Style
rectangular
Details The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
Hole Diameter
0.437 inches nominal
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Peripheral Shape Style
round
Details The style designation indicating the configuration that most nearly corresponds to the peripheral shape of the item.
Center Hole Shape Style
round
Details The style designation indicating the configuration that most nearly corresponds to the shape of the center hole.
Thickness
0.083 inches nominal
Details A measurement of the smallest dimension of an item,in distinction from length or width.
Overall Diameter
1.000 inches nominal
Details A measurement of the longest straight line across a circular cross-sectional plane.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
chromium 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.
Nondefinitive Spec/Std Data
a type and 1 grade and a class
Details The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
120388 18876 X - 3 2 - XX
120388 31007 X - 5 9 - XX
120388 24617 X - 5 9 - XX
120388 7X677 5 - C 1 - ZZ
34707S7 23040 X - 5 9 - XX
34707S8 23040 X - 5 9 - XX
39707S7 23040 X - 5 9 - XX
JD845 29215 X - 3 2 - XX
120388 56442 5 - 5 9 - KZ
DX554 56442 5 - 5 9 - KZ
N6460W 56442 5 - 5 9 - KZ
MILW1085TYPEA 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
95100 - W S
RVC WCC TCC SHC
1 713 Z 9

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Manufacturer
PETTIBONE LLC
CAGE: 46717
DOWNERS GROVE , IL , 60515
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-012-0388
What is the NIIN of the NSN 5310-00-012-0388?
The National Item Identification Number (NIIN) of the NSN 5310-00-012-0388 is 00-012-0388
When the NSN 5310-00-012-0388 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5310-00-012-0388 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-012-0388 contain any hazardous material?
No data in HMIRS

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