NSN 5310-01-266-4641

Part Details | FLAT WASHER

5310-01-266-4641 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.

Alternate Parts: 88205646, 88-20564-6, 8820564, 88-20564, 882003341A, 88-20033-41A, 8820033, 88-20033, FFW92, FF-W-92, MS514129, MS51412-9, 6640211 FIND 32, 5310-01-266-4641, 01-266-4641, 5310012664641, 012664641

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 26, 198701-266-464113393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-01-266-4641
Part Number Cage Code Manufacturer
88-20564-630554DEPARTMENT OF DEFENSE PROJECTMANAGER-MOBILE ELECTRIC POWER
88-2056430554DEPARTMENT OF DEFENSE PROJECTMANAGER-MOBILE ELECTRIC POWER
88-20033-41A30554DEPARTMENT OF DEFENSE PROJECTMANAGER-MOBILE ELECTRIC POWER
88-2003330554DEPARTMENT OF DEFENSE PROJECTMANAGER-MOBILE ELECTRIC POWER
FF-W-9281348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MS51412-996906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
6640211 FIND 3253711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 5310-01-266-4641
Characteristic Specifications
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATAA CLASS AND A TYPE AND 1 GRADE