5310-01-159-8567 WASHER,FLAT Index 5310-01-159-8569 WASHER,LOCK

National Stock Number:
5310-01-159-8568

Federal Supply Class:
5310

National Item Identification Number:
011598568

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:
S95186-112511SIMMONDS PRECISION PRODUCTS INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
COLORBLACK OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING60.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
MATERIALSTEEL COMP 1075 OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.692 INCHES MINIMUM AND 0.695 INCHES MAXIMUM
SPECIAL FEATURES0.010 IN.BY 45 DEGREES 2 PLACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
THICKNESS0.050 INCHES NOMINAL


Click here to Register for Free 30-day Trial