4730-00-531-2885 CLAMP,HOSE Index 5365-00-531-2901 SPACER,RING

National Stock Number:
5310-00-531-2886

Federal Supply Class:
5310

National Item Identification Number:
005312886

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:
3050-120728480HEWLETT-PACKARD COMPANY
688002-02750027UNDERSEA SENSOR SYSTEMS INC
935400-31382577RAYTHEON COMPANY
DIN 1255U402HOUSE OF METRICS LTD
G3M27C58-31372606GASKET MANUFACTURING CO.
H400-31379274WESTERN GASKET AND PACKING CO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.115 INCHES MINIMUM AND 0.122 INCHES MAXIMUM
OVERALL DIAMETER0.307 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
MATERIALPLASTIC OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.031 INCHES NOMINAL


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