5310-00-052-9311 WASHER,FLAT Index 2920-00-052-9313 IGNITER,SPARK,GAS TURBINE ENGINE

National Stock Number:
5310-00-052-9312

Federal Supply Class:
5310

National Item Identification Number:
000529312

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:
NAS1197-8L80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS1197-8LZ03F0BOEING DEFENCE AUSTRALIA LTD
NAS1197-8LZ8T75BOEING DEFENCE AUSTRALIA LTD


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.182 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
OVERALL DIAMETER0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-318,H34 OR H38 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-250/1 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 1100 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.016 INCHES NOMINAL


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