5310-00-925-7085 WASHER,FLAT Index 3110-00-925-7087 BEARING,ROLLER,CYLINDRICAL

National Stock Number:
5310-00-925-7086

Federal Supply Class:
5310

National Item Identification Number:
009257086

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:
682008463005ROLLS-ROYCE CORPORATION
682008473342ALLISON TRANSMISSION INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HEAT TREATMENTAS FABRICATED
HOLE DIAMETER1.200 INCHES MINIMUM AND 1.220 INCHES MAXIMUM
OVERALL DIAMETER1.610 INCHES MINIMUM AND 1.630 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5122 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1095 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
THICKNESS0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM


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