5310-01-341-3144 WASHER,FLAT Index 5310-01-341-3146 WASHER,CONCAVE

National Stock Number:
5310-01-341-3145

Federal Supply Class:
5310

National Item Identification Number:
013413145

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:
21105668253711NAVAL SEA SYSTEMS COMMAND
801-6408783 FIND 1653711NAVAL SEA SYSTEMS COMMAND
DF330643-1643689HUNTINGTON INGALLS INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.570 INCHES MINIMUM AND 0.590 INCHES MAXIMUM
OVERALL DIAMETER1.319 INCHES MINIMUM AND 1.320 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL A,FORM 1,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.044 INCHES MINIMUM AND 0.048 INCHES MAXIMUM


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