The Arrester,electrical Surge, cataloged under National Stock Number 5920-01-361-2791, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-361-2791 |
| Primary Part Number | IS-T1 |
| Item Name | Arrester,electrical Surge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Infinite Electronics International, Inc |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Usage Design | INDOOR |
| Terminal Type | THREADED STUD |
| Mounting Method | BRACKET(S) |
| Breakdown Voltage | 5.000 KILOVOLTS NOMINAL |
| Body Material | ALUMINUM |
| Mounting Configuration | ONE 0.203 IN. DIA THRU HOLE ON THE BRACKET 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 |
|---|---|
| IS-T1 PRIMARY | Infinite Electronics International, Inc (USA) |
| Reference | Meaning |
|---|---|
| IS-T1 | 5/9 Secondary reference Polyphaser Corporation |
NSN 5920-01-361-2791 is a Arrester,electrical Surge, manufactured by Infinite Electronics International, Inc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-361-2791 has 1 manufacturer part number on file: IS-T1 (Infinite Electronics International, Inc).
Key specifications for IS-T1: Overall Height: 1.800 INCHES NOMINAL IN; Terminal Quantity: 2; Usage Design: INDOOR; Terminal Type: THREADED STUD. 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.