6505-00-190-0450 PROPANTHELINE BROMIDE TABLETS Index 5310-00-190-0457 WASHER,FLAT

National Stock Number:
5310-00-190-0451

Federal Supply Class:
5310

National Item Identification Number:
001900451

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:
345639PC810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
901792-0803956NORTHROP GRUMMAN SYSTEMS CORPORATION
901792-0890536LOCKHEED MARTIN CORP
AN960B51688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.312 INCHES NOMINAL
OVERALL DIAMETER0.562 INCHES NOMINAL
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.063 INCHES NOMINAL


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