5310-00-809-8117 WASHER,FLAT Index 5961-00-809-8120 SEMICONDUCTOR DEVICE,DIODE

National Stock Number:
5310-00-809-8118

Federal Supply Class:
5310

National Item Identification Number:
008098118

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:
450503538LOCKHEED MARTIN CORPORATION
450526344NEW HAVEN MFG CORP


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.164 INCHES MINIMUM AND 0.174 INCHES MAXIMUM
LENGTH0.850 INCHES MINIMUM AND 0.860 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLERECTANGULAR
THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM
WIDTH ACROSS FLATS0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL


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