4710-01-542-0071 REDUCER,AIRCRAFT,MA Index 4730-01-542-0073 PLUG,EXPANSION,AIRC

National Stock Number:
5310-01-542-0072

Federal Supply Class:
5310

National Item Identification Number:
015420072

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:
450229555820RTX CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.201 INCHES MAXIMUM
INSIDE RIGHT CORNER CHAMFER ANGLE40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
INSIDE LEFT CORNER CHAMFER ANGLE40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
OVERALL DIAMETER0.795 INCHES MINIMUM AND 0.805 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCY(INAVY) WASHER,RETAINING
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.074 INCHES MINIMUM AND 0.086 INCHES MAXIMUM


Click here to Register for Free 30-day Trial