The Test Set,electronic Systems, cataloged under National Stock Number 4920-01-190-9255, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is L3 Aviation Products, Inc. Dba L3 Technologies. Government technical data includes 6 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-190-9255 |
| Primary Part Number | 12506002 |
| Item Name | Test Set,electronic Systems |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | L3 Aviation Products, Inc. Dba L3 Technologies |
| Status | ACTIVE |
| FSC Application Data | AN/GSM-228 |
| Supplementary Features | COMPANY ITEM NAME-TEST BOX, AC POWER FAIL |
| Reference Data and Literature | SERD NO. 9902 |
| Functional Description | PROVIDES MEANS OF INTERRUPTING AC POWER TO DRAWER AT REGULAR SLOW RATE TO CHECK FUNCTIONING OF POWER FAIL DETECTION CIRCUITRY DURING TESTING OF DRAWER |
| Enclosure Feature | SINGLE ITEM W/HOUSING |
| Test Type for Which Designed | TRANSFER FUNCTION ANALYZER DRAWER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12506002 PRIMARY | L3 Aviation Products, Inc. Dba L3 Technologies (USA) |
NSN 4920-01-190-9255 is a Test Set,electronic Systems, manufactured by L3 Aviation Products, Inc. Dba L3 Technologies, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-190-9255 has 1 manufacturer part number on file: 12506002 (L3 Aviation Products, Inc. Dba L3 Technologies).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-568-0096, 5330-01-574-9259. Verify interchangeability with system specifications before substitution.
Key specifications for 12506002: FSC Application Data: AN/GSM-228; Supplementary Features: COMPANY ITEM NAME-TEST BOX, AC POWER FAIL; Reference Data and Literature: SERD NO. 9902; Special Features: C/O TRANSFORMER,RECTIFIER,REGULATOR,INTEGRATED CIRCUITS,TRANSISTORS,RELAYS,SWITCHES AND CONNECTORS. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.