5310-01-039-0591 WASHER,FLAT Index 5330-01-039-0593 GASKET

National Stock Number:
5310-01-039-0592

Federal Supply Class:
5310

National Item Identification Number:
010390592

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:
A51B25587-1126512NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B25587-1161174NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B25587-1179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.135 INCHES MINIMUM AND 1.150 INCHES MAXIMUM
OVERALL DIAMETER1.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/12 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 7075 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM


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