4720-01-039-5473 HOSE,AIR DUCT Index 5915-01-039-5475 FILTER,LOW PASS

National Stock Number:
5310-01-039-5474

Federal Supply Class:
5310

National Item Identification Number:
010395474

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:
650207PC1710001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.391 INCHES MINIMUM AND 0.401 INCHES MAXIMUM
MATERIALCOPPER OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.5615 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM
THICKNESS0.0575 INCHES MINIMUM AND 0.0675 INCHES MAXIMUM


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