NSN 5310-00-187-4084

Part Details | FLAT WASHER

5310-00-187-4084 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: FFW92TYPEBGRADEICLASSA, MILW1085TYPEBTABLEIII, 5310-00-187-4084, 00-187-4084, 5310001874084, 001874084

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-187-408413393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-00-187-4084
Part Number Cage Code Manufacturer
FFW92TYPEBGRADEICLASSA81348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
MILW1085TYPEBTABLEIII81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 5310-00-187-4084
Characteristic Specifications
HOLE DIAMETER0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE0 ROUND
WIDTH ACROSS FLATS2.250 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.250 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATAB TYPE AND 1 GRADE AND A CLASS