5342-00-438-4057 CATCH,WASTE CHUTE Index 5330-00-438-4060 SEAL,PLAIN

National Stock Number:
5310-00-438-4058

Federal Supply Class:
5310

National Item Identification Number:
004384058

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:
137301-5135351GE AVIATION SYSTEMS LLC
258-.125-SS-1251506ACCURATE SCREW MACHINE CORP
G227504-43B150RAYTHEON COMPANY
G227504-449956RAYTHEON COMPANY


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