NSN 5310-00-521-8723 SCB693254, SCB69325-4, 50515
Product Details | FLAT WASHER
5310-00-521-8723 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: SCB693254, SCB69325-4, 50515, 5310-00-521-8723, 00-521-8723, 5310005218723, 005218723
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-521-8723 | 13393 ( WASHER, FLAT ) |
Drawings & Photos | NSN 5310-00-521-8723
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Technical Data | NSN 5310-00-521-8723
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-636-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HOLE DIAMETER | 0.330 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| PERIPHERAL SHAPE STYLE | 1 ROUND |
| OVERALL DIAMETER | 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| CENTER HOLE SHAPE STYLE | 1 ROUND |
| CROSS-SECTIONAL SHAPE STYLE | 1 RECTANGULAR |
| THICKNESS | 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM |
| FEATURES PROVIDED | CASEHARDENED |
Restrictions/Controls & Freight Information | NSN 5310-00-521-8723
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||