The Absorber,overvoltage, cataloged under National Stock Number 5920-01-273-3143, 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 Northrop Grumman Systems Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-273-3143 |
| Primary Part Number | 164758 |
| Item Name | Absorber,overvoltage |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Terminal Quantity | 1 |
| Current Type | DC |
| Terminal Type | SOLDER STUD |
| Mounting Method | HOLE(S) |
| Polarization Feature | NOT INCLUDED |
| Voltage in Volts | 30.0 |
| Hermetic Protection | NOT PROVIDED |
| Protective Covering Type | CASE |
| Mounting Configuration | TWO NO. 5/32 IN. DIA HOLES IN |
| Enclosure Feature | CORROSION RESISTANT |
| Shunt Capacitor | NOT INCLUDED |
| Current Rating in Amps | 20.0 |
| 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 |
|---|---|
| 164758 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| L-20-0V-30-8164 | 5/9 Secondary reference U.S. Government activity |
NSN 5920-01-273-3143 is a Absorber,overvoltage, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-273-3143 has 1 manufacturer part number on file: 164758 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-536-3315. Verify interchangeability with system specifications before substitution.
Key specifications for 164758: Overall Height: 0.766 INCHES NOMINAL IN; Terminal Quantity: 1; Current Type: DC; Terminal Type: SOLDER STUD. 12 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.