The Resistor Assembly, cataloged under National Stock Number 5905-01-260-3923, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-260-3923 |
| Primary Part Number | 1223B0605 |
| Item Name | Resistor Assembly |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Component Name | FIXED FILM RESISTOR |
| Component Quantity | 12 |
| Resistance Tolerance in Percent | -1.0 TO 1.0 |
| Electrical Resistance | 1.0 KILOHMS |
| Component Identifying Number | RNR55C1001FR PART NO. AND 1223B0605 DRAWING NO. |
| Terminal Quantity | 16 |
| Terminal Type | THREADED POST |
| Mounting Method | HOLE |
| Component Controlling Agency | GOULD INC. |
| Component Relationship | CONNECTED MATCHED PAIR |
| Electrical Connection Method | SERIES |
| Resistor Power Dissipation Rating in Watts | 0.1 |
| Assembly Construction Method | MOUNTED ON TERMINAL BOARD |
| 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 |
|---|---|
| 1223B0605 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1223B0605 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5905-01-260-3923 is a Resistor Assembly, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-260-3923 has 1 manufacturer part number on file: 1223B0605 (Lockheed Martin Corporation Div Rms).
Key specifications for 1223B0605: Component Name: FIXED FILM RESISTOR; Component Quantity: 12; Resistance Tolerance in Percent: -1.0 TO 1.0; Electrical Resistance: 1.0 KILOHMS. 13 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.