5310-01-470-5676 WASHER,FLAT Index 5365-01-470-5678 SPACER,SLEEVE

National Stock Number:
5310-01-470-5677

Federal Supply Class:
5310

National Item Identification Number:
014705677

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:
KS1410-1152284955KAMAN AEROSPACE CORPORATION


Techincal Specification:
MATERIALALUMINUM ALLOY 5052 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8, H34 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.938 INCHES MINIMUM AND
0.968 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.345 INCHES MINIMUM AND
1.375 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.026 INCHES MINIMUM AND
0.036 INCHES MAXIMUM
SPECIAL FEATURESFLAT WITHIN 0.007 IN. NOMINAL AND PARALLEL WITHIN 0.002 IN. NOMINAL; BURRS AND SHARP EDGES REMOVED


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