The Automatic Frequency, cataloged under National Stock Number 5840-01-134-9887, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5840-01-134-9887 |
| Item Name | Automatic Frequency |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY HOUSING AND COVERS; REDUCED SIZE VERSION OF BELL AEROSPACE TEXTRON PART NO. 17-13579-3 WITHOUT KA-BAND MIXER ASSEMBLY; INPUT DOWN CONVERTED 60 MHZ SIGNAL; CENTER FREQUENCY 60 MHZ; 4 IN. LG; 3 IN. W; 0.5 IN. H; THREE FILTERED OUTPUT TERMINALS; TWO GROUND TERMINALS; ONE INPUT CONNECTOR,FEMALE,SMA-STAINLESS STEEL 0.34 IN. LG MHz |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ICX60M21BD | 3/9 Design control — primary reference Rhg Electronics Laboratory Inc |
| 17-19168-1 | 7/2 Vendor item drawing reference Textron Systems Corporation Dba Textron Systems Corp |
| 17-19168-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5840-01-134-9887 is a Automatic Frequency, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5996-01-487-8185. Verify interchangeability with system specifications before substitution.
Key specifications for 5840-01-134-9887: General Characteristics Item Description: ALUMINUM ALLOY HOUSING AND COVERS; REDUCED SIZE VERSION OF BELL AEROSPACE TEXTRON PART NO. 17-13579-3 WITHOUT KA-BAND MIXER ASSEMBLY; INPUT DOWN CONVERTED 60 MHZ SIGNAL; CENTER FREQUENCY 60 MHZ; 4 IN. LG; 3 IN. W; 0.5 IN. H; THREE FILTERED OUTPUT TERMINALS; TWO GROUND TERMINALS; ONE INPUT CONNECTOR,FEMALE,SMA-STAINLESS STEEL 0.34 IN. LG MHz. 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 5840-01-134-9887 has DEMIL Code C. 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.