5305-00-619-5643 SCREW,MACHINE Index 5305-00-619-5655 SCREW,MACHINE

National Stock Number:
5310-00-619-5650

Federal Supply Class:
5310

National Item Identification Number:
006195650

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:
004-003354-00126916NORTHROP GRUMMAN SYSTEMS CORPORATION
32628456232LOCKHEED MARTIN CORPORATION
67A-0.030-SS-1251506ACCURATE SCREW MACHINE CORP
67A030SS1251506ACCURATE SCREW MACHINE CORP


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HEAT TREATMENTANNEALED
HOLE DIAMETER0.126 INCHES MINIMUM AND 0.131 INCHES MAXIMUM
OVERALL DIAMETER0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
THICKNESS0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM


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