5305-00-138-6155 SCREW,VENT Index 5365-00-138-6159 SHIM,SPECIAL

National Stock Number:
5310-00-138-6158

Federal Supply Class:
5310

National Item Identification Number:
001386158

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:
732003-1173030HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING50.5 ROCKWELL SUPERFICIAL 30-N MINIMUM
HOLE DIAMETER0.138 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
OVERALL DIAMETER0.790 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4117 T6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6061 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THICKNESS0.022 INCHES MINIMUM AND 0.027 INCHES MAXIMUM


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