8415-01-419-4894 HELMET,FIREMAN'S Index 8415-01-419-4896 HELMET,FIREMAN'S

National Stock Number:
5310-01-419-4895

Federal Supply Class:
5310

National Item Identification Number:
014194895

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:
37B211054P10599207GENERAL ELECTRIC COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.0950 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
MATERIAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
THICKNESS0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM


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