NSN 5305-00-818-1781 SCB47161, 00-818-1781, 008181781
Product Details | EXTERNALLY RELIEVED BODY SCREW
5305-00-818-1781 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.
Part Alternates: SCB47161, 5305-00-818-1781, 00-818-1781, 5305008181781, 008181781
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1962 | 00-818-1781 | 01852 ( SCREW, EXTERNALLY RELIEVED BODY ) |
Drawings & Photos | NSN 5305-00-818-1781
Cross Reference | NSN 5305-00-818-1781
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| SCB47161 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS |
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Technical Data | NSN 5305-00-818-1781
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.250 INCHES MINIMUM |
| FASTENER LENGTH | 0.625 INCHES NOMINAL |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| HEAD STYLE | C33 PAN NO. 2 |
| HEAD DIAMETER | 0.322 INCHES NOMINAL |
| HEAD HEIGHT | 0.096 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | D1 CROSS RECESS TYPE 1 |
| FIRST DIAMETER FROM HEAD | 0.109 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.375 INCHES NOMINAL |
Restrictions/Controls & Freight Information | NSN 5305-00-818-1781
| 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 | 093486 | BOLTS,NUTS OR SCREWS, NOI (SUB 3) |
| Less than car load rating | U | 50 |
| Less than truck load rating | W | Rating Variable |
| 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 |