5306-00-584-7212 BOLT,MACHINE Index 5310-00-584-7215 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-00-584-7213

Federal Supply Class:
5310

National Item Identification Number:
005847213

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:
AN960B201688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
NAS1149B2090H80205NATIONAL 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 DIAMETER1.255 INCHES MINIMUM AND 1.275 INCHES MAXIMUM
OVERALL DIAMETER1.995 INCHES MINIMUM AND 2.020 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-613,COMP 11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 2 GRADE AND E CLASS
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM


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