6680-00-580-3828 GAGE,LIQUID LEVEL Index 3120-00-580-3832 BUSHING,SLEEVE

National Stock Number:
5310-00-580-3830

Federal Supply Class:
5310

National Item Identification Number:
005803830

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:
71549-380254TEXTRON LYCOMING INC WILLIAMSPORT PLANT
71549-3R1120SATAIR A/S


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
OVERALL DIAMETER1.040 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1045 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTTIN OVERALL
THICKNESS0.064 INCHES MINIMUM AND 0.066 INCHES MAXIMUM


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