5305-01-389-3418 SCREW,MACHINE Index 5305-01-389-3420 SCREW,MACHINE

National Stock Number:
5310-01-389-3419

Federal Supply Class:
5310

National Item Identification Number:
013893419

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:
092-20341C004L76301THE BOEING COMPANY
5310PL21314439009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
92042434228L3 TECHNOLOGIES, INC.
NAS1149CN416R80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
ASNA2397C4LF6198AIRBUS OPERATIONS


Techincal Specification:
MATERIALSTEEL COMP 301 OR
STEEL COMP 302 OR
STEEL COMP 304 OR
STEEL COMP 316 OR
STEEL COMP 321 OR
STEEL COMP 347 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.115 INCHES MINIMUM AND
0.135 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.307 INCHES MINIMUM AND
0.332 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.014 INCHES MINIMUM AND
0.018 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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