5340-01-303-2242 HANDWHEEL Index 5310-01-303-2244 WASHER,FLAT

National Stock Number:
5310-01-303-2243

Federal Supply Class:
5310

National Item Identification Number:
013032243

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:
70102-08103-10478286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.450 INCHES NOMINAL
OVERALL DIAMETER2.375 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSIKORSKY SS8435 MFR REF ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.447 INCHES MINIMUM


Click here to Register for Free 30-day Trial