5310-00-638-8962 WASHER,FLAT Index 5310-00-638-8971 WASHER,SPRING TENSION

National Stock Number:
5310-00-638-8965

Federal Supply Class:
5310

National Item Identification Number:
006388965

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:
2W1-48-36-6343999THE BOEING COMPANY
AL1256-2508484BREEZE-EASTERN LLC
WA72103201843AMBAC INTERNATIONAL CORPORATION
WA72103254936HAYNES CORPORATION
WA721032D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING55.0 ROCKWELL B MINIMUM
HOLE DIAMETER0.750 INCHES NOMINAL
OVERALL DIAMETER1.125 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIFICATION/STANDARD DATA43999-2W1 MANUFACTURERS STANDARD
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.063 INCHES NOMINAL


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