5310-01-445-9383 WASHER,FLAT Index 4520-01-445-9385 HEATING ELEMENT,ELECTRICAL,NONIM

National Stock Number:
5310-01-445-9384

Federal Supply Class:
5310

National Item Identification Number:
014459384

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:
5310PL16432699009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
NAS1149D1490H80205NATIONAL 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 DIAMETER0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.495 INCHES MINIMUM AND 1.520 INCHES MAXIMUM
THICKNESS0.083 INCHES MINIMUM AND 0.097 INCHES MAXIMUM


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