NSN 5310-01-253-1618

Part Details | FLAT WASHER

5310-01-253-1618 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: FFW92, FF-W-92, 5310PL0793146, 90126A009, MS5141218, MS51412-18, 12Z22269, 12Z22-269, 5310-01-253-1618, 01-253-1618, 5310012531618, 012531618

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 12, 198701-253-161813393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-01-253-1618
Part Number Cage Code Manufacturer
FF-W-9281348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
5310PL07931469009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
90126A00939428MCMASTER-CARR SUPPLY COMPANY
MS51412-1896906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
12Z22-26910001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 5310-01-253-1618
Characteristic Specifications
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.183 INCHES MINIMUM AND 0.196 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.433 INCHES MINIMUM AND 0.453 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND A CLASS