5310-00-025-7198 WASHER,FLAT Index 5945-00-025-7202 RELAY,ELECTROMAGNETIC

National Stock Number:
5310-00-025-7201

Federal Supply Class:
5310

National Item Identification Number:
000257201

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:
105090A32-10-12070898BEECHCRAFT CORPORATION
105090A32-10-1207EK50TEXTRON AVIATION INC
AAF00425012834MERAMEC METAL STAMPING CO
AAF00425013888SANDOVAL MACHINE CO
QP67776212834MERAMEC METAL STAMPING CO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM
OVERALL DIAMETER1.594 INCHES MINIMUM AND 1.656 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-561 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 1100 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM


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