Part Details | FLAT WASHER
5310-00-004-0401 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: SS5072S4, 5310-00-004-0401, 00-004-0401, 5310000040401, 000040401
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 24, 1972 | 00-004-0401 | 13393 ( WASHER, FLAT ) |
REFERENCE DRAWINGS & PICTURES
RECTANGULAR
ROUND
ROUND
Cross Reference | NSN 5310-00-004-0401
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SS5072S4 | 78286 | SIKORSKY AIRCRAFT CORPORATIONDBA SIKORSKY |
Technical Data | NSN 5310-00-004-0401
| Characteristic | Specifications |
|---|---|
| HOLE DIAMETER | 0.136 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| PERIPHERAL SHAPE STYLE | ROUND |
| OVERALL DIAMETER | 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| THICKNESS | 0.016 INCHES NOMINAL |
| HEAT TREATMENT | T-3 SOLUTION HEAT TREATED, COLD WORKED |