3439-00-947-5383 ELECTRODE,WELDING Index 3439-00-947-5389 TIP,ELECTRIC SOLDERING IRON

National Stock Number:
5310-00-947-5388

Federal Supply Class:
5310

National Item Identification Number:
009475388

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:
LS5984D3H98897LOCKHEED MARTIN CORP


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HEAT TREATMENTT-3 SOLUTION HEAT TREATED, COLD WORKED OR T-4 SOLUTION HEAT TREATED, NATURAL AGED
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
OVERALL DIAMETER0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM


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