NSN 5310-01-381-0552 1210B4407, 01-381-0552, 013810552
Product Details | FLAT WASHER
5310-01-381-0552 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.
Part Alternates: 1210B4407, 5310-01-381-0552, 01-381-0552, 5310013810552, 013810552
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 05 OCT 1993 | 01-381-0552 | 13393 ( WASHER, FLAT ) |
Drawings & Photos | NSN 5310-01-381-0552
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Technical Data | NSN 5310-01-381-0552
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 316 OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HOLE DIAMETER | 0.531 INCHES NOMINAL |
| PERIPHERAL SHAPE STYLE | 1 ROUND |
| OVERALL DIAMETER | 1.755 INCHES NOMINAL |
| CENTER HOLE SHAPE STYLE | 1 ROUND |
| THICKNESS | 0.250 INCHES NOMINAL |
Restrictions/Controls & Freight Information | NSN 5310-01-381-0552
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||