5310-01-114-5821 NUT,SELF-LOCKING,EXTENDED WASHER Index 5310-01-114-5823 WASHER,SHOULDERED

National Stock Number:
5310-01-114-5822

Federal Supply Class:
5310

National Item Identification Number:
011145822

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:
300-4684422ITEM680064NAVAL SHIP SYSTEMS COMMAND
87774-3603ITEM696169ELECTRIC BOAT CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.000 INCHES MINIMUM AND 1.005 INCHES MAXIMUM
INSIDE LEFT CORNER CHAMFER ANGLE45.0 DEGREES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-741 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
OUTSIDE LEFT CORNER CHAMFER ANGLE45.0 DEGREES NOMINAL
OVERALL DIAMETER1.625 INCHES NOMINAL
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES INNER
SURFACE FINISH63.0 MICROINCHES TOP
THICKNESS0.260 INCHES NOMINAL


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