The Resistor Assembly, cataloged under National Stock Number 5905-00-504-4020, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-504-4020 |
| Primary Part Number | R170 |
| Item Name | Resistor Assembly |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Shallcross Inc |
| Status | ACTIVE |
| Component Name | FIXED COMPOSITION |
| Component Quantity | 7 |
| Resistance Tolerance in Percent | -5.0 TO 5.0 |
| Electrical Resistance | 1.0 MEGOHMS AND 620.0 KILOHMS AND 43.0 KILOHMS AND 120.0 KILOHMS |
| Component Identifying Number | 412608BAF PART NO. AND 412608GCE PART NO. AND 412608EDE PART NO. AND 412608BCE PART NO. |
| Mounting Method | SOLDER |
| Component Controlling Agency | MINNEAPOLIS HONEYWELL REGULATOR CO |
| Component Relationship | NOT MATCHED |
| Mounting Configuration | FOUR 1/2 IN. SOLDER LUGS IN |
| Resistor Power Dissipation Rating in Watts | 0.5 |
| Assembly Construction Method | MOUNTED IN CASE |
| 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 |
|---|---|
| R170 PRIMARY | Shallcross Inc (USA) |
| Reference | Meaning |
|---|---|
| 433798-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-00-504-4020 is a Resistor Assembly, manufactured by Shallcross Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-504-4020 has 1 manufacturer part number on file: R170 (Shallcross Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-342-4022, 4920-01-499-9266. Verify interchangeability with system specifications before substitution.
Key specifications for R170: Component Name: FIXED COMPOSITION; Component Quantity: 7; Resistance Tolerance in Percent: -5.0 TO 5.0; Electrical Resistance: 1.0 MEGOHMS AND 620.0 KILOHMS AND 43.0 KILOHMS AND 120.0 KILOHMS. 11 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.