The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-01-426-1609, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5905-01-426-1609 |
| Primary Part Number | GR815FD4 |
| Item Name | Resistor,fixed,wire Wound,induct |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Resistance Tolerance in Percent | -1.000 TO 1.000 |
| Temp Coefficient of Resistance in Ppm Per Deg Celsius | -30.0 TO 30.0 |
| Electrical Resistance | 49.900 KILOHMS |
| Inclosure Type | UNINCLOSED |
| Mounting Hole Size | 0.196 INCHES NOMINAL IN |
| Terminal Type | TAB, SOLDER LUG |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 4.250 INCHES NOMINAL IN |
| Body Width | 1.188 INCHES NOMINAL IN |
| Temp Range of Temp Coefficient in Deg Celsius | -55.0 TO 350.0 |
| Style Designator | TERMINALS ONE EDGE |
| Power Dissipation Rating in Watts | 55.000 FREE AIR |
| Ambient Temp at Full Rated Power | 25.0 CELSIUS DEGC |
| Body Length | 3.500 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius at Zero Percent Rated Power | 350.0 |
| Reliability Indicator | NOT ESTABLISHED |
| 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 |
|---|---|
| GR815FD4 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL-55-09Z 49.9K OHMS 1% | 3/2 Design control — primary reference U.S. Government activity |
| HL-55-09Z 49.9K | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| HL-55-09Z49.9K1PCT | 5/9 Secondary reference U.S. Government activity |
NSN 5905-01-426-1609 is a Resistor,fixed,wire Wound,induct, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-426-1609 has 1 manufacturer part number on file: GR815FD4 (Northrop Grumman Systems Corporation).
Key specifications for GR815FD4: Resistance Tolerance in Percent: -1.000 TO 1.000; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -30.0 TO 30.0; Electrical Resistance: 49.900 KILOHMS; Inclosure Type: UNINCLOSED. 15 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.