4920-01-509-8090 CONDUIT ASSEMBLY,AI Index 5305-01-509-8092 SCREW,CLOSE TOLERANCE

National Stock Number:
5310-01-509-8091

Federal Supply Class:
5310

National Item Identification Number:
015098091

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:
4M36-1001576301THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CRITICALITY CODE JUSTIFICATIONAGAV
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.006 INCHES MINIMUM AND 1.026 INCHES MAXIMUM
OVERALL DIAMETER1.550 INCHES MINIMUM AND 1.570 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY) WASHER, FLAT, METAL, SPECIAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS QQ-A-250/5 COND T3 OR T4 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.032 INCHES NOMINAL


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