1730-00-135-4637 SLING,AIRCRAFT MAINTENANCE Index 3110-00-135-4639 BEARING,BALL,ANNULAR

National Stock Number:
5310-00-135-4638

Federal Supply Class:
5310

National Item Identification Number:
001354638

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:
03T289A20500736FALLS FILTRATION TECHNOLOGIES, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.255 INCHES MINIMUM AND 1.265 INCHES MAXIMUM
OVERALL DIAMETER3.015 INCHES MINIMUM AND 3.025 INCHES MAXIMUM
MATERIALALUMINUM ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
THICKNESS0.020 INCHES NOMINAL


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