The Disk,telephone Protector, cataloged under National Stock Number 5920-00-280-4107, 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 Westinghouse Electric Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5920-00-280-4107 |
| Primary Part Number | M7417504/3 |
| Item Name | Disk,telephone Protector |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| General Characteristics Item Description | CERAMIC; CYLINDRICAL SHAPE; OVER-ALL DIM.,3 IN. DIA,0.78 IN. THK; ONE 1.37 IN. DIA MTG HOLE IN CENTER OF DISK; DATA REGARDING A TYPICAL MFR,RADIOMARINE CORP OF AMERICA,NEW YORK,NY,CODE NO. 49671,PART/DWG NO. XS-653-9; P/O,JCENS,RADIO TRANSMITTER,TYPE NO. AN/FRT-15; USED AS A RESISTIVE ELEMENT FOR A SPARK GAP ASSEMBLY; GOVT TYPE DATA,N,DISK,LIGHTNING ARRESTER,TYPE NO. 632336 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 |
|---|---|
| M7417504/3 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| M7417504/3 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| XS653-9 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5920-00-280-4107 is a Disk,telephone Protector, manufactured by Westinghouse Electric Corp, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-280-4107 has 1 manufacturer part number on file: M7417504/3 (Westinghouse Electric Corp).
Key specifications for M7417504/3: General Characteristics Item Description: CERAMIC; CYLINDRICAL SHAPE; OVER-ALL DIM.,3 IN. DIA,0.78 IN. THK; ONE 1.37 IN. DIA MTG HOLE IN CENTER OF DISK; DATA REGARDING A TYPICAL MFR,RADIOMARINE CORP OF AMERICA,NEW YORK,NY,CODE NO. 49671,PART/DWG NO. XS-653-9; P/O,JCENS,RADIO TRANSMITTER,TYPE NO. AN/FRT-15; USED AS A RESISTIVE ELEMENT FOR A SPARK GAP ASSEMBLY; GOVT TYPE DATA,N,DISK,LIGHTNING ARRESTER,TYPE NO. 632336 IN. 1 specification is 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.