NSN 5310-00-491-1660 00-491-1660, 004911660
Product Details | FLAT WASHER
5310-00-491-1660 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: 5310-00-491-1660, 00-491-1660, 5310004911660, 004911660
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 00-491-1660 | 13393 ( WASHER, FLAT ) |
Drawings & Photos | NSN 5310-00-491-1660
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Technical Data | NSN 5310-00-491-1660
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | C190000120 FSCM 88818 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| HOLE DIAMETER | 0.158 INCHES MINIMUM AND 0.161 INCHES MAXIMUM |
| PERIPHERAL SHAPE STYLE | 1 ROUND |
| OVERALL DIAMETER | 0.229 INCHES MINIMUM AND 0.232 INCHES MAXIMUM |
| CENTER HOLE SHAPE STYLE | 1 ROUND |
| CROSS-SECTIONAL SHAPE STYLE | 1 RECTANGULAR |
| THICKNESS | 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM |
| MANUFACTURERS CODE | 88818 |
| DESIGN CONTROL REFERENCE | C312009075 |
Restrictions/Controls & Freight Information | NSN 5310-00-491-1660
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||