The Diplexer, cataloged under National Stock Number 5985-01-503-4166, 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 Applied Systems Engineering Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-503-4166 |
| Primary Part Number | 44541-1 |
| Item Name | Diplexer |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Applied Systems Engineering Inc |
| Status | ACTIVE |
| Operating Frequency | 7.78 GIGAHERTZ MINIMUM AND 8.42 GIGAHERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Transmission Line Type | RECTANGULAR WAVEGUIDE |
| 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 |
|---|---|
| 2099-0000-1 | Microwave Components & Systems, Inc. (USA) |
| 44541-1 PRIMARY | Applied Systems Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| SC5985-0250-1 | 7/9 Vendor item drawing reference Drs Icas, Llc |
NSN 5985-01-503-4166 is a Diplexer, manufactured by Applied Systems Engineering Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-503-4166 has 2 manufacturer part numbers on file: 2099-0000-1 (Microwave Components & Systems, Inc.), 44541-1 (Applied Systems Engineering Inc).
Key specifications for 44541-1: Operating Frequency: 7.78 GIGAHERTZ MINIMUM AND 8.42 GIGAHERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED; Transmission Line Type: RECTANGULAR WAVEGUIDE; Special Features: DIPLEXER, WAVEGUIDE, C-BAND; End Item Identification: 1006-1500 AN/TPT-T1(V). 2 specifications are 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 5985-01-503-4166 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.