The Arrester,electrical Surge, cataloged under National Stock Number 5920-01-250-3473, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-250-3473 |
| Primary Part Number | 77C721233P001 |
| Item Name | Arrester,electrical Surge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Usage Design | OUTDOOR |
| Terminal Type | SOLDERLESS LUG |
| Mounting Method | TERMINAL |
| Breakdown Voltage | 67.000 VOLTS MINIMUM AND 113.000 VOLTS MAXIMUM |
| Arrester Type | GAS |
| Mounting Configuration | TWO 0.126 IN. DIA TERMINAL LUGS SPACED 1.230 IN. C TO C IN |
| 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 |
|---|---|
| 77C721233P001 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 16026-2 | Avo Intl (USA) |
| S8-C90 | Siemens Corp (USA) |
NSN 5920-01-250-3473 is a Arrester,electrical Surge, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-250-3473 has 3 manufacturer part numbers on file: 77C721233P001 (Lockheed Martin Corporation Div Rms), 16026-2 (Avo Intl), S8-C90 (Siemens Corp).
Key specifications for 77C721233P001: Overall Height: 0.400 INCHES MAXIMUM IN; Terminal Quantity: 2; Usage Design: OUTDOOR; Terminal Type: SOLDERLESS LUG. 7 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.