NSN 5310-00-550-9438

Part Details | FLAT WASHER

5310-00-550-9438 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: NAS42HT128, NAS42HT12-8, 5310-00-550-9438, 00-550-9438, 5310005509438, 005509438

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-550-943813393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-00-550-9438
Part Number Cage Code Manufacturer
NAS42HT12-880205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5310-00-550-9438
Characteristic Specifications
HARDNESS RATINGRCA25.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.376 INCHES MINIMUM AND 0.383 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
SPECIAL FEATURESDYED TO AN IRIDESCENT BRONZE COLOR