NSN 5310-00-491-0839 00525, 5310AC1019, 5310AC1-019
Product Details | FLAT WASHER
5310-00-491-0839 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: 00525, 5310AC1019, 5310AC1-019, 5530, 5310-00-491-0839, 00-491-0839, 5310004910839, 004910839
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-491-0839 | 13393 ( WASHER, FLAT ) |
Drawings & Photos | NSN 5310-00-491-0839
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Technical Data | NSN 5310-00-491-0839
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HOLE DIAMETER | 0.628 INCHES MINIMUM AND 0.633 INCHES MAXIMUM |
| PERIPHERAL SHAPE STYLE | 1 ROUND |
| OVERALL DIAMETER | 1.052 INCHES MINIMUM AND 1.062 INCHES MAXIMUM |
| CENTER HOLE SHAPE STYLE | 1 ROUND |
| CROSS-SECTIONAL SHAPE STYLE | 1 RECTANGULAR |
| THICKNESS | 0.078 INCHES NOMINAL |
| III MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 5310-00-491-0839
| 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. |
| 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 |
|---|---|---|
| NMF Description | 194160 | WASHER OR GASKETS, IRON OR STEEL, |
| Less than car load rating | ||
| Less than truck load rating | U | 50.0 |
| Water commodity Code | 713 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |