3120-01-018-3866 BEARING,PLAIN,SPHERICAL Index 2805-01-018-3869 VALVE,POPPET,ENGINE

National Stock Number:
5310-01-018-3867

Federal Supply Class:
5310

National Item Identification Number:
010183867

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:
15607EK73760ITT AEROSPACE CONTROLS LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.144 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
OVERALL DIAMETER0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 631 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.050 INCHES MINIMUM AND 0.056 INCHES MAXIMUM


Click here to Register for Free 30-day Trial