The Arrester,electrical Surge, cataloged under National Stock Number 5920-01-134-9307, 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 Airflo Instrument Company, the Dba Airflo Instrument Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5920-01-134-9307 |
| Primary Part Number | 9145-166 |
| Item Name | Arrester,electrical Surge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Airflo Instrument Company, the Dba Airflo Instrument Co |
| Status | ACTIVE |
| Overall Diameter | 0.355 INCHES NOMINAL IN |
| Mounting Method | WIRE LEAD |
| 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 |
|---|---|
| 9145-166 PRIMARY | Airflo Instrument Company, the Dba Airflo Instrument Co (USA) |
| Reference | Meaning |
|---|---|
| Q145-166 | C/1 Advisory reference — outside the item-of-supply concept Airflo Instrument Company, the Dba Airflo Instrument Co |
NSN 5920-01-134-9307 is a Arrester,electrical Surge, manufactured by Airflo Instrument Company, the Dba Airflo Instrument Co, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-134-9307 has 1 manufacturer part number on file: 9145-166 (Airflo Instrument Company, the Dba Airflo Instrument Co).
Key specifications for 9145-166: Overall Diameter: 0.355 INCHES NOMINAL IN; Mounting Method: WIRE LEAD; Overall Length: 2.125 INCHES NOMINAL IN. 2 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.