5315-01-441-5563 PIN,STRAIGHT,HEADED Index 5310-01-441-5565 WASHER,FLAT

National Stock Number:
5310-01-441-5564

Federal Supply Class:
5310

National Item Identification Number:
014415564

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:
21106893053711NAVAL SEA SYSTEMS COMMAND
595-6401090 ITEM 2653711NAVAL SEA SYSTEMS COMMAND
595-6401378 ITEM 153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
MATERIALNICKEL ALLOY K-500 OR
NICKEL ALLOY 502 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC ALL MATERIAL RESPONSES OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.938 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.310 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.062 INCHES NOMINAL


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