The Arrester,electrical Surge, cataloged under National Stock Number 5920-01-034-6742, 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 6 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 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 | 5920-01-034-6742 |
| Primary Part Number | 144621 |
| Item Name | Arrester,electrical Surge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Usage Design | INDOOR AND OUTDOOR |
| Terminal Type | STUD W/NUT |
| Mounting Method | THREADED HOLE(S) |
| Arrester Type | SELENIUM |
| Mounting Configuration | TWO 0.138-32 IN. DIA HOLES SPACED 1.630 IN. C TO C ALONG LENGTH AND 1.132 IN. C TO C ALONG WIDTH 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 |
|---|---|
| 144621 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5920-01-034-6742 is a Arrester,electrical Surge, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-034-6742 has 1 manufacturer part number on file: 144621 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5640-01-069-1768, 1680-01-222-0988. Verify interchangeability with system specifications before substitution.
Key specifications for 144621: Overall Height: 1.438 INCHES NOMINAL IN; Terminal Quantity: 2; Usage Design: INDOOR AND OUTDOOR; Terminal Type: STUD W/NUT. 6 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.