The Arrester,electrical Surge, cataloged under National Stock Number 5920-00-856-2166, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Therm-O-Disc Inc Sub of Emerson Electric Co. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-856-2166 |
| Primary Part Number | 9RV6D73 |
| Item Name | Arrester,electrical Surge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Therm-O-Disc Inc Sub of Emerson Electric Co |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Usage Design | INDOOR AND OUTDOOR |
| Terminal Type | THREADED STUD |
| Line to Ground Voltage | 200.000 VOLTS NOMINAL |
| Overall Diameter | 7.250 INCHES MAXIMUM IN |
| Mounting Method | THREADED STUD(S) |
| Breakdown Voltage | 2.100 KILOVOLTS NOMINAL |
| Arrester Type | RESISTOR |
| Body Material | CERAMIC |
| Mounting Configuration | ONE NO. 5/8 -11 THD MTG STUD AXIALLY LOCATED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9RV6D73 PRIMARY | Therm-O-Disc Inc Sub of Emerson Electric Co (USA) |
| Reference | Meaning |
|---|---|
| 329A495G1-9RV6D73 | 5/9 Secondary reference Genicom Corp |
| 44B251427-001 | 5/9 Secondary reference Genicom Corp |
NSN 5920-00-856-2166 is a Arrester,electrical Surge, manufactured by Therm-O-Disc Inc Sub of Emerson Electric Co, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-856-2166 has 1 manufacturer part number on file: 9RV6D73 (Therm-O-Disc Inc Sub of Emerson Electric Co).
Key specifications for 9RV6D73: Terminal Quantity: 2; Usage Design: INDOOR AND OUTDOOR; Terminal Type: THREADED STUD; Line to Ground Voltage: 200.000 VOLTS NOMINAL. 10 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.