The Arrester,electrical Surge, cataloged under National Stock Number 5920-01-035-1249, 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 Support Services Corp. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-035-1249 |
| Primary Part Number | 138C484H01 |
| Item Name | Arrester,electrical Surge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Usage Design | INDOOR |
| Overall Diameter | 0.075 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Breakdown Voltage | 720.000 VOLTS MINIMUM AND 800.000 VOLTS MAXIMUM |
| Arrester Type | AIR GAP |
| Body Material | GLASS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 138C484H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| TG87 | High Energy Devices, Llc (USA) |
| Reference | Meaning |
|---|---|
| TG-87 | 5/9 Secondary reference Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
| TG-87 | 5/9 Secondary reference Cp Clare Corp North American Sales Operations |
| 138C484H01 | 3/9 Design control — primary reference U.S. Government activity |
| TG-87 | 5/9 Secondary reference C P Clare Corporation |
NSN 5920-01-035-1249 is a Arrester,electrical Surge, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-035-1249 has 2 manufacturer part numbers on file: 138C484H01 (Northrop Grumman Support Services Corp), TG87 (High Energy Devices, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-079-3498. Verify interchangeability with system specifications before substitution.
Key specifications for 138C484H01: Usage Design: INDOOR; Overall Diameter: 0.075 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Breakdown Voltage: 720.000 VOLTS MINIMUM AND 800.000 VOLTS MAXIMUM; Arrester Type: AIR GAP. 5 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.