The Generator,test,signal, cataloged under National Stock Number 1285-01-221-4385, is classified within Federal Supply Class 1285 (Fire Control Radar Equipment, Except Airborne) of the Fire Control Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1285-01-221-4385 |
| Primary Part Number | 5541913-1 |
| Item Name | Generator,test,signal |
| FSC / FSG | 1285 / 12 — Fire Control Radar Equipment, Except Airborne |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | ACCEPTS CONTINUOUS WAVE RADIO FREQUENCY SIGNAL OF 5.450 GHZ TO 5.825 GHZ AND PROCESSES IT IN ACCORDANCE WITH A COMMAND DATA INPUT TO TURN OUTPUT SIGNAL ON AND OFF AND WITH A FREQUENCY PHASE MODULATION OFFSET TO INCREASE THE SIGNAL FREQUENCY; OUTPUT USED TO CALIBRATE PHASE AND AMPLITUDE OF THE TWO CHANNEL MONOPULSE RECEIVER CHANNELS; ALSO HAS FAULT LOGIC OUTPUT; PROVIDES FREQUENCY PHASE RATE OFFSET BY SHIFTING RF PHASE IN DISCRETE 45 DEGREE STEPS DRIVEN BY INTERNAL OSCILLATOR; O/A DIMS 13.50 IN. LG,8.00 IN. W,4.25 IN. H GHz |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 1285-01-221-4385 is a Generator,test,signal, manufactured by Naval Sea Systems Command, classified under FSC 1285, Fire Control Radar Equipment, Except Airborne. Status: active.
NSN 1285-01-221-4385 has 2 manufacturer part numbers on file: 5541913-1 (Naval Sea Systems Command), FS9164 (Lockheed Martin Corporation).
Key specifications for 5541913-1: General Characteristics Item Description: ACCEPTS CONTINUOUS WAVE RADIO FREQUENCY SIGNAL OF 5.450 GHZ TO 5.825 GHZ AND PROCESSES IT IN ACCORDANCE WITH A COMMAND DATA INPUT TO TURN OUTPUT SIGNAL ON AND OFF AND WITH A FREQUENCY PHASE MODULATION OFFSET TO INCREASE THE SIGNAL FREQUENCY; OUTPUT USED TO CALIBRATE PHASE AND AMPLITUDE OF THE TWO CHANNEL MONOPULSE RECEIVER CHANNELS; ALSO HAS FAULT LOGIC OUTPUT; PROVIDES FREQUENCY PHASE RATE OFFSET BY SHIFTING RF PHASE IN DISCRETE 45 DEGREE STEPS DRIVEN BY INTERNAL OSCILLATOR; O/A DIMS 13.50 IN. LG,8.00 IN. W,4.25 IN. H GHz. 1 specification is 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 1285-01-221-4385 has DEMIL Code D. 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.