The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-01-243-3995, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Shallcross Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-243-3995 |
| Primary Part Number | AL50-U-1R00H |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Shallcross Inc |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -3.000 TO 3.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -50.0 TO 50.0 |
| Electrical Resistance | 1.000 OHMS |
| Inclosure Type | ENCASED |
| Mounting Hole Size | 0.125 INCHES NOMINAL IN |
| Terminal Type | TAB, SOLDER LUG |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 1.562 INCHES NOMINAL IN |
| Terminal Length | 0.438 INCHES NOMINAL IN |
| Body Width | 0.594 INCHES NOMINAL IN |
| Body Height | 0.625 INCHES NOMINAL IN |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 275.0 |
| Style Designator | AXIAL TERMINAL (S) |
| Power Dissipation Rating in Watts | 20.000 FREE AIR |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Unpackaged Unit Weight | 28.0 GRAMS G |
| Body Length | 1.938 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 275.0 |
| Reliability Indicator | NOT ESTABLISHED |
| Cubic Measure | 0.015 CUBIC INCHES |
| Terminal Width | 0.155 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AL50-U-1R00H | Shallcross Inc (USA) |
| Reference | Meaning |
|---|---|
| 253-100084-008 | 3/9 Design control — primary reference Compro Computer Services, Inc. Dba Compro |
| EH50-1R00H | 5/9 Secondary reference U.S. Government activity |
| RH50X000D1R0000H | 5/2 Secondary reference U.S. Government activity |
NSN 5905-01-243-3995 is a Resistor,fixed,wire Wound,induct, manufactured by Shallcross Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-243-3995 has 1 manufacturer part number on file: AL50-U-1R00H (Shallcross Inc).
Key specifications for AL50-U-1R00H: Resistance Tolerance in Percent: -3.000 TO 3.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -50.0 TO 50.0; Electrical Resistance: 1.000 OHMS; Inclosure Type: ENCASED. 20 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.