8415-01-546-2642 BALACLAVA,FACE GUARD Index 5315-01-546-2644 PIN,STRAIGHT,HEADLESS

National Stock Number:
5310-01-546-2643

Federal Supply Class:
5310

National Item Identification Number:
015462643

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:
BACW10BP141P81205THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.895 INCHES NOMINAL
OVERALL DIAMETER1.448 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6350,AMS6351 OR AMS6345 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESO/S WASHER .0156 NOT COUNTERSUNK
THICKNESS0.090 INCHES NOMINAL


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