4730-00-141-3195 COUPLING HALF,QUICK DISCONNECT Index 4820-00-141-3198 VALVE,CHECK

National Stock Number:
5310-00-141-3197

Federal Supply Class:
5310

National Item Identification Number:
001413197

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:
2W1-20-38-9343999THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.312 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
OVERALL DIAMETER1.1094 INCHES MINIMUM AND 1.1406 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-636-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIFICATION/STANDARD DATA43999-2W1 MANUFACTURERS STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.093 INCHES NOMINAL


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