4730-01-482-2229 RESTRICTOR,FLUID FLOW Index 5310-01-482-2231 WASHER,FLAT

National Stock Number:
5310-01-482-2230

Federal Supply Class:
5310

National Item Identification Number:
014822230

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:
510-770-001Y921ONBOARD SYSTEMS INTERNATIONAL, LLC
9387711168S4080PILATUS AIRCRAFT LTD
NAS1149F0716P80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.443 INCHES MINIMUM AND 0.463 INCHES MAXIMUM
OVERALL DIAMETER0.745 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-7952 MIL SPEC 2ND MATERIAL RESPONSE OR ASTM A109 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1020 OR STEEL COMP 1025 OR STEEL UNS K02502 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYII, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.016 INCHES NOMINAL


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