The Attenuator,fixed, cataloged under National Stock Number 5985-00-666-2091, 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 Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-666-2091 |
| Primary Part Number | MDC9025BA-50-10 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc |
| Status | ACTIVE |
| FSC Application Data | PULSE ANALYZERS TESTING |
| Frequency Range | 0.000 HERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM |
| Overall Diameter | 0.562 INCHES NOMINAL IN |
| Input Impedance Rating in Ohms | 52.5 |
| Mounting Method | TERMINAL |
| Rf Signal Attenuation in Decibels | 10.0 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Power Rating | 500.0 MILLIWATTS AVERAGE |
| Output Impedance Rating in Ohms | 52.5 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MDC9025BA-50-10 | Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA) |
| A2132963ISSUEA | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| HFA-50-10 | Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA) |
| 2740015002 | Thales Deutschland Gmbh Div Customer Services (DEU) |
| HFA-50/10 | Bausch & Lomb Inc (USA) |
| Reference | Meaning |
|---|---|
| HFA50 | 5/9 Secondary reference Applied Research Laboratories Div of Bausch and Lomb Inc |
| A2132963ISSUEA | 3/9 Design control — primary reference Itt Industries Inc Itt Aerospace Communications Div East |
| HFA-50 | 5/1 Secondary reference Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc |
| HFA50 | C/1 Advisory reference — outside the item-of-supply concept Applied Research Inc |
NSN 5985-00-666-2091 is a Attenuator,fixed, manufactured by Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-666-2091 has 5 manufacturer part numbers on file: MDC9025BA-50-10 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc), A2132963ISSUEA (L3harris Technologies, Inc. Dba Harris Corporation), HFA-50-10 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc), 2740015002 (Thales Deutschland Gmbh Div Customer Services), HFA-50/10 (Bausch & Lomb Inc).
Key specifications for MDC9025BA-50-10: FSC Application Data: PULSE ANALYZERS TESTING; Frequency Range: 0.000 HERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM; Overall Diameter: 0.562 INCHES NOMINAL IN; Input Impedance Rating in Ohms: 52.5. 9 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 5985-00-666-2091 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.