The Arrester,lightning, cataloged under National Stock Number 5920-01-360-1875, 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 Infinite Electronics International, Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5920-01-360-1875 |
| Primary Part Number | IS-LR50LN |
| Item Name | Arrester,lightning |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Infinite Electronics International, Inc |
| Status | ACTIVE |
| Usage Design | OUTDOOR |
| Mounting Method | STUD(S) |
| Mounting Configuration | ONE EXTENDED MTG STUDS EA END |
| 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 |
|---|---|
| IS-LR50LN PRIMARY | Infinite Electronics International, Inc (USA) |
| Reference | Meaning |
|---|---|
| IS-LR50LN | 5/9 Secondary reference Polyphaser Corporation |
| ED-00026-002 | 5/1 Secondary reference Raytheon E-Systems, Inc |
NSN 5920-01-360-1875 is a Arrester,lightning, manufactured by Infinite Electronics International, Inc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-360-1875 has 1 manufacturer part number on file: IS-LR50LN (Infinite Electronics International, Inc).
Key specifications for IS-LR50LN: Usage Design: OUTDOOR; Mounting Method: STUD(S); Overall Length: 4.260 INCHES NOMINAL IN; Special Features: SURGE 18000 AMPS; TURN ON VDC 90V; TURN ON TIME 4 NS; INPEDENCE 50 OHM; FREQ RANGE 20 TO 50 MHZ MHz. 3 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.