The Combiner, cataloged under National Stock Number 5985-01-166-3766, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Caes Systems Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-166-3766 |
| Primary Part Number | BY1141 |
| Item Name | Combiner |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Caes Systems Llc |
| Status | ACTIVE |
| General Characteristics Item Description | FLAT RECTANGULAR BOX 5.36 IN. LG; 2.70 IN. W; 0.50 IN. H WITH MULTIPLE PIN JACK PROJECTING 0.75 IN. FROM BOTTOM AT ONE OF THE LONG SIDES; THREE STANDARD JACKS PROJECTING HORIZONTALLY FROM THE SAME SIDE AND ONE MORE JACK PROJECTING FROM SHORT SIDE AT OTHER END; CONTAINS CIRCUIT BOARD AND FERRITE ISOLATOR FOR OPTIONAL ISOLATOR LOAD BROUGHT IN THROUGH CONNECTOR ON OTHER LONG SIDE; STRIPLINE CONSTRUCTION IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2370-000 | Microwave Engineering Corporation (USA) |
| 8006-8133-1 | Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic (USA) |
| BY1141 PRIMARY | Caes Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 8006-8133-1 | 5/9 Secondary reference U.S. Government activity |
| 23710-000 | 5/9 Secondary reference U.S. Government activity |
| 8006-8133-1 | 5/9 Secondary reference Drs Icas, Llc |
| BY1141 | 5/9 Secondary reference Kdi/triangle Corp |
NSN 5985-01-166-3766 is a Combiner, manufactured by Caes Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-166-3766 has 3 manufacturer part numbers on file: 2370-000 (Microwave Engineering Corporation), 8006-8133-1 (Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic), BY1141 (Caes Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-357-7119. Verify interchangeability with system specifications before substitution.
Key specifications for BY1141: General Characteristics Item Description: FLAT RECTANGULAR BOX 5.36 IN. LG; 2.70 IN. W; 0.50 IN. H WITH MULTIPLE PIN JACK PROJECTING 0.75 IN. FROM BOTTOM AT ONE OF THE LONG SIDES; THREE STANDARD JACKS PROJECTING HORIZONTALLY FROM THE SAME SIDE AND ONE MORE JACK PROJECTING FROM SHORT SIDE AT OTHER END; CONTAINS CIRCUIT BOARD AND FERRITE ISOLATOR FOR OPTIONAL ISOLATOR LOAD BROUGHT IN THROUGH CONNECTOR ON OTHER LONG SIDE; STRIPLINE CONSTRUCTION IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-166-3766 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.