NSN 5310-00-283-0990 8691439, 00-283-0990, 002830990
Product Details | RECESSED WASHER
5310-00-283-0990 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: 8691439, 5310-00-283-0990, 00-283-0990, 5310002830990, 002830990
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-283-0990 | 15933 ( WASHER, RECESSED ) |
Cross Reference | NSN 5310-00-283-0990
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8691439 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Technical Data | NSN 5310-00-283-0990
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OR STEEL COMP 4147 OR STEEL COMP 4150 |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES |
| HARDNESS RATING | NOT RATED |
| HOLE DIAMETER | 4.005 INCHES MINIMUM AND 4.015 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 4.609 INCHES MINIMUM AND 4.641 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| RECESS DIAMETER | 4.290 INCHES NOMINAL |
| MATERIAL THICKNESS | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| RECESS ANGLE | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM |
| SPECIAL FEATURES | THREE SLOTS EQUALLY SPACED ON OD 0.500 IN. W 2.312 IN. DIM FROM CENTERLINE TO BOTTOM OF SLOTS |
Restrictions/Controls & Freight Information | NSN 5310-00-283-0990
| 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 | U | 50 |
| 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 |