NSN 5310-00-138-4258

Part Details | FLAT WASHER

5310-00-138-4258 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: AN960XC10L, FFW92, NAS1149C0332B, NAS1149CN0332B, 30082687, 3008268-7, 5310-00-138-4258, 00-138-4258, 5310001384258, 001384258

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 09, 197100-138-425813393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-00-138-4258
Part Number Cage Code Manufacturer
AN960XC10L88044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
FFW9281348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
NAS1149C0332B80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
NAS1149CN0332B80205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
3008268-782577RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5310-00-138-4258
Characteristic Specifications
HOLE DIAMETER0.203 INCHES NOMINAL
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.433 INCHES MINIMUM AND 0.458 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.032 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND B CLASS