3120-00-812-1244 BUSHING,SLEEVE Index 5935-00-812-1250 CONNECTOR,RECEPTACLE,ELECTRICAL

National Stock Number:
5310-00-812-1249

Federal Supply Class:
5310

National Item Identification Number:
008121249

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:
236M0022P0233B150RAYTHEON COMPANY
236M0022P02349956RAYTHEON COMPANY
2W1C16-16-3043999THE BOEING COMPANY
3320-82690073CMC ELECTRONICS INC
919052918876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
OVERALL DIAMETER0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM


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