5310-00-580-3033 WASHER,FLAT Index 5330-00-580-3035 PACKING,PREFORMED

National Stock Number:
5310-00-580-3034

Federal Supply Class:
5310

National Item Identification Number:
005803034

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:
128585-00206481NORTHROP GRUMMAN SYSTEMS CORPORATION
302-0024-0013499ROCKWELL COLLINS, INC.
302-0024-00005284GASKET ENGINEERING COMPANY, INC
302-0024-0015280NORTHROP GRUMMAN SYSTEMS CORPORATION DIV ES DEFENSIVE SYSTEMS DIVISION
302-0024-0055631SCOMILL INC
302-0024-0098738HERLEY CHICAGO DBA STEWART WARNER ELECTRONICS
655855-00012436BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
302-0024-00013499ROCKWELL COLLINS, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.125 INCHES NOMINAL
OVERALL DIAMETER0.312 INCHES NOMINAL
MATERIALRUBBER SYNTHETIC OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.032 INCHES NOMINAL


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