NSN 5310-01-387-3073

Part Details | FLAT WASHER

5310-01-387-3073 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: 03A1188A, 03A118-8A, 03A1188A, 03A118-8A, 03A1188A, 03A118-8A, 03A1188A, 03A118-8A, 03A1188A, 03A118-8A, 03A1188A, 03A118-8A, 03A1188A, 03A118-8A, 03A1188A, 03A118-8A, 03A1188A, 03A118-8A, 5310-01-387-3073, 01-387-3073, 5310013873073, 013873073

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 02, 199401-387-307313393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-01-387-3073
Part Number Cage Code Manufacturer
03A118-8A70265ALL-POWER MANUFACTURING CO.INC.
03A118-8A10630ANILLO INDUSTRIES, INC.DBA ANILLO INDUSTRIES
03A118-8A92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
03A118-8A73197HI-SHEAR CORPORATION
03A118-8AL4528LISI AEROSPACE CANADA CORPDIV HI SHEAR HOLDINGS INC
03A118-8A58009MOELLER MANUFACTURING & SUPPLY, INC.
03A118-8A76823NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
03A118-8A1W025NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE
03A118-8A56878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
Technical Data | NSN 5310-01-387-3073
Characteristic Specifications
HOLE DIAMETER0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.063 INCHES NOMINAL