3120-00-662-3449 BEARING,WASHER,THRUST Index 4820-00-662-3469 SEAT,VALVE

National Stock Number:
5310-00-662-3462

Federal Supply Class:
5310

National Item Identification Number:
006623462

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:
R840745402MEGGITT SAFETY SYSTEMS, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
COLORBLACK OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.375 INCHES NOMINAL
OVERALL DIAMETER1.177 INCHES MINIMUM AND 1.187 INCHES MAXIMUM
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH100.0 MICROINCHES BOTTOM
SURFACE FINISH100.0 MICROINCHES INNER
SURFACE FINISH100.0 MICROINCHES TOP
SURFACE FINISH40.0 MICROINCHES OUTER
SURFACE TREATMENTOXIDE FILM OVERALL
THICKNESS0.093 INCHES NOMINAL


Click here to Register for Free 30-day Trial