5360-00-790-3557 SPRING,HELICAL,TORSION Index 5330-00-790-3559 GASKET

National Stock Number:
5310-00-790-3558

Federal Supply Class:
5310

National Item Identification Number:
007903558

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:
918555618876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
MATERIALALUMINUM ALLOY 6061 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTZINC AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE OR
MIL-P-6808 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.260 INCHES MINIMUM AND
0.270 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.094 INCHES MINIMUM AND
1.156 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.054 INCHES MINIMUM AND
0.074 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE18876
DESIGN CONTROL REFERENCE9185556


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