The Test Set,fire Control System, cataloged under National Stock Number 4920-01-034-9925, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-034-9925 |
| Item Name | Test Set,fire Control System |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| FSC Application Data | AN/APA-157 |
| Phase | SINGLE FIRST ALTERNATE OPERATING POWER RQMT |
| Length | 24.120 INCHES NOMINAL IN |
| AC Voltage Rating | 115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT |
| DC Voltage Rating | 28.0 VOLTS NOMINAL SECOND ALTERNATE OPERATING POWER RQMT |
| Criticality Code Justification | FEAT |
| Reference Data and Literature | T.O. 33D7-38-104-1 |
| Electrical Power Source Relationship | OPERATING |
| Height | 16.560 INCHES NOMINAL IN |
| Cubic Measure | 5184.00 CUBIC INCHES |
| Functional Description | USED TO TEST THE AIM-7D,E MISSILE PRE-LAUNCH CONTROL FUNCTIONS AND THE AIM-9B,D LAUNCH ZONE DATA FUNCTIONS OF RADAR SET GROUP AN/APA-157 AS WELL AS THE AIM-7D,E MISSILE LAUNCHING FUNCTIONS OF THE MISSILE FIRING CIRCUITS |
| Enclosure Feature | SINGLE ITEM W/HOUSING |
| Frequency Rating | 400.0 HERTZ NOMINAL FIRST ALTERNATE OPERATING POWER RQMT |
| Width | 15.380 INCHES NOMINAL IN |
| Test Type for Which Designed | FUNCTIONAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 50-014000-02 | 5/9 Secondary reference Interlink Communications Inc |
| AN/AWM-87(DF) | 5/2 Secondary reference U.S. Government activity |
| 52-017727-01 | 3/9 Design control — primary reference Interlink Communications Inc |
NSN 4920-01-034-9925 is a Test Set,fire Control System, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-034-9925: FSC Application Data: AN/APA-157; Phase: SINGLE FIRST ALTERNATE OPERATING POWER RQMT; Length: 24.120 INCHES NOMINAL IN; AC Voltage Rating: 115.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT. 15 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.
NSN 4920-01-034-9925 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.