Flat Washer

AN961-4S

AN961-4S
(NSN) National Stock Number
5310-00-004-1503
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
13393
Schedule B Code
7415210000
Summary

Rectangular cross-sectional shape style, 0.115 inches minimum and 0.135 inches maximum hole diameter, round peripheral shape style, round center hole shape style, 0.022 inches minimum and 0.042 inches maximum thickness, 0.307 inches minimum and 0.332 inches maximum overall diameter

DAC HCC DMIL RNCC
5 - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
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
0.115 inches minimum and 0.135 inches maximum
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
0.022 inches minimum and 0.042 inches maximum
Details A measurement of the smallest dimension of an item,in distinction from length or width.
Overall Diameter
0.307 inches minimum and 0.332 inches maximum
Details A measurement of the longest straight line across a circular cross-sectional plane.
Material
copper alloy 268 overall or copper alloy 270 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
qq-b-626,1/2 h fed spec 1st material response overall or qq-w-321,1/2 hard 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.
Precious Material And Location
overall silver
Details An indication of the precious material and its location in the item.
Precious Material
silver
Details Identification of the precious material contained in the item.
Surface Treatment
silver 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
qq-s-365,gr b fed 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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
FF-W-92 81349 E - 4 1 - ZZ
AN961-4S 88044 6 - 5 9 - CL
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N S - -
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
NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
CAGE: 80205
ARLINGTON , VA , 22209
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-004-1503
What is the NIIN of the NSN 5310-00-004-1503?
The National Item Identification Number (NIIN) of the NSN 5310-00-004-1503 is 00-004-1503
When the NSN 5310-00-004-1503 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Sat, May 27, 1972
Does the NSN 5310-00-004-1503 contain any precious metals?
Contains silver
Does the NSN 5310-00-004-1503 contain any hazardous material?
No data in HMIRS

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