5330-01-253-0852 RETAINER,PACKING Index 5330-01-253-0854 RETAINER,PACKING

National Stock Number:
5310-01-253-0853

Federal Supply Class:
5310

National Item Identification Number:
012530853

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:
108241-079099657MAROTTA CONTROLS INC
108241-0790CP03950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
108241-0790CP99657MAROTTA CONTROLS INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CRITICALITY CODE JUSTIFICATIONFEAT
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.180 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.298 INCHES NOMINAL
SPECIAL FEATURESOXYGEN CLEAN REQUIREMENTS PER MIL-STD-1330D
THICKNESS0.027 INCHES NOMINAL


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