5310-01-330-5251 WASHER,FLAT Index 5310-01-330-5253 WASHER,FLAT

National Stock Number:
5310-01-330-5252

Federal Supply Class:
5310

National Item Identification Number:
013305252

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:
MS51859-11D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
MST51859-1196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALPLASTIC POLYAMIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410,6/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.060 INCHES MINIMUM AND
0.068 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.183 INCHES MINIMUM AND
0.203 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.016 INCHES MINIMUM AND
0.024 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA96906-MS51859 GOVERNMENT STANDARD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMST51859-11


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