NSN 5340-00-682-1643 K642M, 8048242, 2131
Product Details | FUSIBLE PLUG
5340-00-682-1643 An externally threaded cylindrical item, usually containing a fusible core, or a tapered smooth finished press-in insert made entirely of metallic eutectic substance. If without core, the item may be machined internally or have provisions to accomodate same. It is a safety device for aircraft wheels (prevents heat induced tire explosion), boilers, compressors, and similar equipment.
Part Alternates: K642M, 8048242, 2131, 5340-00-682-1643, 00-682-1643, 5340006821643, 006821643
Hardware and Abrasives | Hardware, Commercial
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-682-1643 | 11108 ( PLUG, FUSIBLE ) |
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Related Products | NSN 5340-00-682-1643
Technical Data | NSN 5340-00-682-1643
| Characteristic | Specifications |
|---|---|
| CASING MATERIAL | BRASS |
| CORE | INCLUDED |
| CORE MATERIAL | SAND |
| CORE DIAMETER | 2.031 INCHES NOMINAL |
| HEAT NUMBER STAMPED ON CORE | NOT INCLUDED |
| USAGE LOCATION | OUTSIDE |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 2-11-12 NPT |
| BLOWOFF LINE ATTACHMENT PROVISION | NOT INCLUDED |
| CORE FUSING TEMP RATING | 180.0 DEG FAHRENHEIT |
| MAXIMUM OPERATING PRESSURE | 10.000 POUNDS PER SQUARE INCH |
Restrictions/Controls & Freight Information | NSN 5340-00-682-1643
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | P | There is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product |
| 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 | 126760 | PLUGS FUSIBLE BBC TIN COMB |
| Less than car load rating | J | 100.2 |
| Less than truck load rating | J | 100.2 |
| 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 |



