5310-01-078-9435 NUT,SELF-LOCKING,EXTENDED WASHER Index 5310-01-078-9437 WASHER,FLAT

National Stock Number:
5310-01-078-9436

Federal Supply Class:
5310

National Item Identification Number:
010789436

Description:
WASHER,FLAT

Detail:
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.


Manufacturer Information:
AN960D1816L88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
FF-W-9281348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
NAS1149D1816H80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.130 INCHES MINIMUM AND 1.150 INCHES MAXIMUM
OVERALL DIAMETER1.870 INCHES MINIMUM AND 1.895 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5,TEMPER T3 OR T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 2 GRADE AND D CLASS
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM


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