5310-01-560-1053 NUT,PLAIN,HEXAGON Index 5315-01-560-1055 PIN,COTTER

National Stock Number:
5310-01-560-1054

Federal Supply Class:
5310

National Item Identification Number:
015601054

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:
3675305573BARNES GROUP INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
COLORGOLD OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.438 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYBOWMALLOY FLAT WASHER
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESBAKE MEDIUM CARBON STEEL
SURFACE TREATMENTDICHROMATE OVERALL


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