5310-00-235-6156 WASHER,RECESSED Index 6210-00-235-6159 LIGHT,INDICATOR

National Stock Number:
5310-00-235-6158

Federal Supply Class:
5310

National Item Identification Number:
002356158

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:
199-5505795542NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.875 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
OVERALL DIAMETER1.690 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-392 TYPE 1 CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC OVERALL
SPECIAL FEATURES3 HOLES DRILLED THRU 0.128 IN. DIA EQUALLY SPACED ON WASHER FACE 0.700 IN. FROM WASHER CENTERLINE TO THRU HOLES CENTERLINE
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM


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