5310-01-004-6430 WASHER,FLAT Index 5331-01-004-6433 O-RING

National Stock Number:
5310-01-004-6431

Federal Supply Class:
5310

National Item Identification Number:
010046431

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:
BACW10P150S81205THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
OVERALL DIAMETER1.160 INCHES MINIMUM AND 1.180 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-7952 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7952 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIFICATION/STANDARD DATA81205-BACW10P MANUFACTURERS STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.016 INCHES NOMINAL


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