The Programmable Tracking Filter,eng, cataloged under National Stock Number 4920-01-319-6399, 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 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-319-6399 |
| Item Name | Programmable Tracking Filter,eng |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | C/O FOUR 6634 SERIES VIBRATION AMPLIFIERS; PLUG-IN RATIO GENERATORS; FOUR SLAVE FILTERS; FREQUENCY CONVERTER; SINEWAVE GENERATOR; DETECTOR; POWER SUPPLY; HAS FREQUENCY ANALYSIS OVER THE RANGE OF 2 HZ TO 25 000 HZ; POWER: 105 TO 125 VAC,50 TO 400 HZ,OPTIONAL: 90 TO 110 VAC (SUFFIX W); 210 TO 250 VAC (SUFFIX V; ENVIRONMENTAL: 32 DEG F TO 122 DEG F; DIM. 4.880 IN. H; 5.450 IN. W; 15.800 IN. D; WEIGHT: 8 LBS: INPUT VOLTAGE RANGE: 100 MV TO 50 RMS; FILTER: BANDWIDTH (-3 DB) VAC |
| Reference Data and Literature | END ITEM F110-GE-100 ENGINE SERD-5042 |
| Functional Description | PERMITS THE VIBRATION CONTRIBUTION FROM ONE ROTOR,OR ANY RATIO THEREOF,TO BE MEASURED SIMULTANEOUSLY AT FOUR POINTS ON A TURBINE ENGINE. PARALLELREADOUT OF ALL CHANNELS IS CONVENIENT FOR IDENTIFYING CRITICAL FREQUENCIES WHEN ENGINES ARE RUN UP TO OPERATING SPEED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6726BP | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-319-6399 is a Programmable Tracking Filter,eng, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-319-6399: General Characteristics Item Description: C/O FOUR 6634 SERIES VIBRATION AMPLIFIERS; PLUG-IN RATIO GENERATORS; FOUR SLAVE FILTERS; FREQUENCY CONVERTER; SINEWAVE GENERATOR; DETECTOR; POWER SUPPLY; HAS FREQUENCY ANALYSIS OVER THE RANGE OF 2 HZ TO 25 000 HZ; POWER: 105 TO 125 VAC,50 TO 400 HZ,OPTIONAL: 90 TO 110 VAC (SUFFIX W); 210 TO 250 VAC (SUFFIX V; ENVIRONMENTAL: 32 DEG F TO 122 DEG F; DIM. 4.880 IN. H; 5.450 IN. W; 15.800 IN. D; WEIGHT: 8 LBS: INPUT VOLTAGE RANGE: 100 MV TO 50 RMS; FILTER: BANDWIDTH (-3 DB) VAC; Reference Data and Literature: END ITEM F110-GE-100 ENGINE SERD-5042; Functional Description: PERMITS THE VIBRATION CONTRIBUTION FROM ONE ROTOR,OR ANY RATIO THEREOF,TO BE MEASURED SIMULTANEOUSLY AT FOUR POINTS ON A TURBINE ENGINE. PARALLELREADOUT OF ALL CHANNELS IS CONVENIENT FOR IDENTIFYING CRITICAL FREQUENCIES WHEN ENGINES ARE RUN UP TO OPERATING SPEED; End Item Identification: F110-GE-199 ENGINE. 3 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 4920-01-319-6399 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.