5310-01-527-7798 WASHER,FLAT Index 5310-01-527-7800 WASHER,FLAT

National Stock Number:
5310-01-527-7799

Federal Supply Class:
5310

National Item Identification Number:
015277799

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:
ST4M146-12V76301THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
FSC APPLICATION DATAFRAME,ACFT; CENTER,AFT,VERTICAL
HOLE DIAMETER0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM
OVERALL DIAMETER0.600 INCHES MINIMUM AND 0.615 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY)WASHER,FLAT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-9046,TY III COMPOSITION C,COND ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESTHIS ITEM TO BE USED WITH PIN AND COLLAR FASTENERS OR BLIND BOLTS WHERE STRUCTURE CANNOT BE CHAMFERED TO ACCEPT HEAD TO SHANK FILLETS.
THICKNESS0.020 INCHES NOMINAL


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