NSN 5310-00-490-9403 66178314, 66-17831-4, 00-490-9403
Product Details | RECESSED WASHER
5310-00-490-9403 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.
Part Alternates: 66178314, 66-17831-4, 5310-00-490-9403, 00-490-9403, 5310004909403, 004909403
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 24 SEP 1969 | 00-490-9403 | 15933 ( WASHER, RECESSED ) |
Drawings & Photos | NSN 5310-00-490-9403
Cross Reference | NSN 5310-00-490-9403
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 66-17831-4 | 81205 | THE BOEING COMPANY DBA BOEING |
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Related Products | NSN 5310-00-490-9403
Technical Data | NSN 5310-00-490-9403
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| STYLE DESIGNATOR | 26 RECESSED |
| HOLE DIAMETER | 0.625 INCHES NOMINAL |
| OUTSIDE DIAMETER | 1.000 INCHES NOMINAL |
| RECESS DIAMETER | 0.812 INCHES NOMINAL |
| MATERIAL THICKNESS | 0.128 INCHES NOMINAL |
| RECESS ANGLE | 45.0 DEGREES NOMINAL |
| MANUFACTURERS CODE | 81205 |
| DESIGN CONTROL REFERENCE | 66-17831-4 |
Restrictions/Controls & Freight Information | NSN 5310-00-490-9403
| 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 |
|---|---|---|
| No Freight Information | ||