5320-00-185-0926 RIVET,SOLID Index 5310-00-185-0930 WASHER,FLAT

National Stock Number:
5310-00-185-0929

Federal Supply Class:
5310

National Item Identification Number:
001850929

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:
51176PC910001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
FFW92TYPEAGRADE1CLASSF81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
SP469810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY ID
HOLE DIAMETER0.188 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
OVERALL DIAMETER0.437 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND F CLASS
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM


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