5330-01-433-6855 O-RING Index 6145-01-433-6857 WIRE,ELECTRICAL

National Stock Number:
5310-01-433-6856

Federal Supply Class:
5310

National Item Identification Number:
014336856

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:
B1822BH160N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER17.25 MILLIMETERS MINIMUM AND
17.52 MILLIMETERS MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER31.38 MILLIMETERS MINIMUM AND
32.00 MILLIMETERS MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS2.50 MILLIMETERS MINIMUM AND
3.50 MILLIMETERS MAXIMUM


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