NSN 5920-00-812-7461 M74679481, D67553A, 977AA
Product Details | ELECTRICAL SURGE ARRESTER
5920-00-812-7461 A circuit-protecting device which provides a discharge path for abnormal surges of high potential while consuming little or no power at normal operating voltage. Excludes items which absorb continuously recurring cyclic pulses. For resistors which are sensitive to voltage changes or used as elements in surge arresters, see RESISTOR, VOLTAGE SENSITIVE. See also ABSORBER, OVERVOLTAGE; AND CUTOUT DISK, PROTECTIVE.
Part Alternates: M74679481, D67553A, 977AA, 5920-00-812-7461, 00-812-7461, 5920008127461, 008127461
Electrical and Electronic Equipment Components | Fuses, Arrestors, Absorbers, and Protectors
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 01 JAN 1963 | 00-812-7461 | 00381 ( ARRESTER, ELECTRICAL SURGE ) |
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Technical Data | NSN 5920-00-812-7461
| Characteristic | Specifications |
|---|---|
| OVERALL LENGTH | 3.625 INCHES NOMINAL |
| OVERALL WIDTH | 2.500 INCHES NOMINAL |
| OVERALL HEIGHT | 2.312 INCHES NOMINAL |
| MOUNTING METHOD | HOLES |
| MOUNTING CONFIGURATION | TWO 3/16 IN. DIA MTG HOLES SPACED 2-1/2 IN. C TO C |
| BODY MATERIAL | CERAMIC |
| ARRESTER TYPE | AIR GAP AND CARBON BLOCK |
| BREAKDOWN VOLTAGE | 400.000 VOLTS NOMINAL |
| LINE TO GROUND VOLTAGE | 350.000 VOLTS MINIMUM AND 550.000 VOLTS MAXIMUM |
| TERMINAL TYPE | THREADED STUD |
| TERMINAL QUANTITY | 3 |
| MANUFACTURERS CODE | 77554 |
| DESIGN CONTROL REFERENCE | 977AA |
Restrictions/Controls & Freight Information | NSN 5920-00-812-7461
| 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 | 062920 | REGULATORS INDUCTION/VOLTAGE |
| Less than car load rating | W | Rating Variable |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 658 | 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 | H | Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc. |
| 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 |