5180-01-480-4971 TOOL KIT,GENERAL MECHANIC'S Index 3120-01-480-4973 BUSHING,SLEEVE

National Stock Number:
5310-01-480-4972

Federal Supply Class:
5310

National Item Identification Number:
014804972

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:
4M284-2210630ANILLO INDUSTRIES LLC
4M284-2258009MOELLER MANUFACTURING & SUPPLY, LLC
T4M284-2204946STANDARD WIRE & CABLE CO.
T4M284-2259570TRICO MANUFACTURING INC.
4M284-2259570TRICO MANUFACTURING INC.
4M284-2276301THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
COLORBROWN OVERALL
CRITICALITY CODE JUSTIFICATIONAGAV
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.385 INCHES MINIMUM AND 1.400 INCHES MAXIMUM
OVERALL DIAMETER2.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5604,CONDITION H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 630 OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESWASHER-PLAIN AND COUNTERSUNK,17-4PH CRES,1200 DEGREE F
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.100 INCHES NOMINAL


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