5310-01-396-2215 WASHER,FLAT Index 5305-01-396-2217 SCREW,MACHINE

National Stock Number:
5310-01-396-2216

Federal Supply Class:
5310

National Item Identification Number:
013962216

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:
5310PL21298409009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
NAS1149D0432H80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1149D0432HA0126LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE
NAS1149D0432HZ03F0BOEING DEFENCE AUSTRALIA LTD
NAS1149D0432HZ8T75BOEING DEFENCE AUSTRALIA LTD


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 AND
ALUMINUM ALLOY 1230 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.255 INCHES MINIMUM AND
0.275 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.495 INCHES MINIMUM AND
0.520 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.028 INCHES MINIMUM AND
0.036 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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