Part Number: 88-20033

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DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER30554
DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER30554
DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER30554
DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER30554
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M96906
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.324 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.059 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
OVERALL DIAMETER0.995 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
MATERIALSTEEL COMP 1010 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTCADMIUM OVERALL OR ZINC OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY SURFACE TREATMENT
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.324 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.059 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
OVERALL DIAMETER0.995 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
MATERIALSTEEL COMP 1010 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTCADMIUM OVERALL OR ZINC OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY SURFACE TREATMENT
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 ( .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 . 6 inches ( .15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be . 16 inches ( .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.