5310-01-030-4909 WASHER,FLAT Index 5310-01-030-4911 WASHER,FLAT

National Stock Number:
5310-01-030-4910

Federal Supply Class:
5310

National Item Identification Number:
010304910

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:
3163603-159364HONEYWELL INTERNATIONAL INC.
3163603-199193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.530 INCHES MINIMUM AND 0.535 INCHES MAXIMUM
OVERALL DIAMETER0.830 INCHES MINIMUM AND 0.835 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESCHAMFER 40 DEG MIN,45 DEG MAX BY 0.015 IN. MIN,0.020 IN. MAX ON ONE SIDE
SURFACE FINISH32.0 MICROINCHES BOTTOM
THICKNESS0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM


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