5970-00-137-0017 INSULATOR,PLATE Index 5310-00-137-0019 WASHER,FLAT

National Stock Number:
5310-00-137-0018

Federal Supply Class:
5310

National Item Identification Number:
001370018

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:
19611757712TELEMECHANICS INC
19611764959AMERICAN TELEPHONE AND TELEGRAPH CO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.250 INCHES NOMINAL
OVERALL DIAMETER0.500 INCHES NOMINAL
MATERIALFIBER OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESWITH SIDE OF WASHER CUT 0.281 INCH LONG BY 0.062 INCH WIDE
THICKNESS0.085 INCHES NOMINAL


Click here to Register for Free 30-day Trial