5305-00-807-0701 SCREW,CAP,SOCKET HEAD Index 5310-00-807-0704 WASHER,FLAT

National Stock Number:
5310-00-807-0703

Federal Supply Class:
5310

National Item Identification Number:
008070703

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:
484B4563665CEF INDUSTRIES INC ENVIRON DIV
484B4578062SARGENT AEROSPACE & DEFENSE, LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.671 INCHES MINIMUM AND 0.672 INCHES MAXIMUM
OVERALL DIAMETER1.000 INCHES NOMINAL
SPECIAL FEATURES0.060 IN. LG 45.0 DEG CHAMFER OUTER CORNER
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES COUNTERBORE WALL
SURFACE FINISH63.0 MICROINCHES TOP
THICKNESS0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM


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