The Resistor,thermal, cataloged under National Stock Number 5905-00-789-5917, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Keystone Carbon Co Inc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-789-5917 |
| Primary Part Number | A278 |
| Item Name | Resistor,thermal |
| FSC / FSG | 5905 / 59 — No Item Name Available |
| Manufacturer | Keystone Carbon Co Inc |
| Status | ACTIVE |
| Terminal Length | 0.900 INCHES MINIMUM IN |
| Reliability Indicator | ESTABLISHED |
| Inclosure Type | ENCAPSULATED |
| Temp Points for Resistance Readings at Zero Power | 0.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC |
| Resistance Tolerance at a Specified Temp in Percent | -5.0 TO 5.0 ALL RESISTANCE-TEMPERATURE POINTS |
| Temp Points for Resistance Readings at Zero Power | -21.5 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC |
| Style Designator | WAFER |
| Zero Power Resistance at Specified Temp | 1.8 OHMS FOURTH RESISTANCE-TEMPERATURE POINT |
| Temp Points for Resistance Readings at Zero Power | 50.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC |
| Zero Power Resistance at Specified Temp | 2.2 OHMS THIRD RESISTANCE-TEMPERATURE POINT |
| Temp Points for Resistance Readings at Zero Power | 37.8 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC |
| Zero Power Resistance Tolerance in Percent at Reference Temp | -10.0 TO 10.0 |
| Zero Power Resistance at Specified Temp | 3.7 OHMS SECOND RESISTANCE-TEMPERATURE POINT |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Zero Power Resistance | 2.590 OHMS |
| Temp Points for Resistance Readings at Zero Power | 104.4 CELSIUS FIFTH RESISTANCE-TEMPERATURE POINT DEGC |
| Zero Power Resistance at Specified Temp | 4.6 OHMS FIRST RESISTANCE-TEMPERATURE POINT |
| Terminal Diameter | 0.020 INCHES NOMINAL IN |
| Maximum Power Dissipation Rating | 2.00 WATTS |
| Maximum Operating Temp | 150.0 CELSIUS DEGC |
| Body Width | 0.325 INCHES NOMINAL IN |
| Body Height | 0.715 INCHES NOMINAL IN |
| Zero Power Resistance at Specified Temp | 1.1 OHMS FIFTH RESISTANCE-TEMPERATURE POINT |
| Body Length | 0.740 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5905-00-789-5917 is a Resistor,thermal, manufactured by Keystone Carbon Co Inc, classified under FSC 5905 (No Item Name Available). Status: active.
NSN 5905-00-789-5917 has 2 cross-referenced part numbers: A278 (Keystone Carbon Co Inc), 10545004 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
There are 6 known substitutes for 5905-00-789-5917: 5965-00-321-8456, 4320-00-580-2568, 5915-00-931-0003 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for A278: Terminal Length: 0.900 INCHES MINIMUM IN; Reliability Indicator: ESTABLISHED; Inclosure Type: ENCAPSULATED; Temp Points for Resistance Readings at Zero Power: 0.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC. 24 total characteristics are documented in the Federal Logistics Information System.