The Attenuator,fixed, cataloged under National Stock Number 5985-00-439-0548, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5985-00-439-0548 |
| Primary Part Number | 2921343-3 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | CANCELLED |
| Input Impedance Rating in Ohms | 50.0 |
| Attenuation Accuracy Reference Frequency | 12.4 GIGAHERTZ |
| Operating Temp Range | +0.0 TO 60.0 CELSIUS DEGC |
| Terminal Type and Quantity | 2 CONNECTOR |
| Rf Signal Attenuation in Decibels | 50.0 |
| Attenuation Accuracy in Decibels | -0.75 TO 0.75 |
| Voltage Standing Wave Ratio | 1.15 AND 1.20 AND 1.30 |
| Output Impedance Rating in Ohms | 50.0 |
| Unpackaged Unit Weight | 2.700 OUNCES OZ |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 3.0 GIGAHERTZ AND +3.0 TO 6.0 GIGAHERTZ AND +6.0 TO 12.0 GIGAHERTZ |
| Coaxial Connector Series Designation | N |
| Mounting Method | CONNECTOR |
| Connection Type Per Function | FEMALE OUTPUT AND MALE INPUT |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Power Rating | 2.0 WATTS AVERAGE AND 0.3 KILOWATTS PEAK |
| Application Design | TRANSMISSION LINE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 9642-50 | Spectrum Control Inc Div Weinschel (USA) |
| 2921343-3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| XQBZ00405 | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| 777C-50 | Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA) |
| 777C-50 PRIMARY | Narda Holdings, Inc. Div Dba Narda-Miteq (USA) |
| 8491A-50 | Hewlett-Packard Company Dba HP (USA) |
| XQB200405 | Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA) |
| 50MP50-846 | Alan Industries Inc (USA) |
| 562438-3 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| MDC91122-50 | Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA) |
| 777-50 | Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA) |
NSN 5985-00-439-0548 is a Attenuator,fixed, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985 (No Item Name Available). Status: cancelled.
NSN 5985-00-439-0548 has 11 cross-referenced part numbers: 9642-50 (Spectrum Control Inc Div Weinschel), 2921343-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), XQBZ00405 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div), 777C-50 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 777C-50 (Narda Holdings, Inc. Div Dba Narda-Miteq) and 6 more.
There are 4 known substitutes for 5985-00-439-0548: 2805-00-097-0805, 4710-01-045-8681, 5330-01-206-6844 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2921343-3: Input Impedance Rating in Ohms: 50.0; Attenuation Accuracy Reference Frequency: 12.4 GIGAHERTZ; Operating Temp Range: +0.0 TO 60.0 CELSIUS DEGC; Terminal Type and Quantity: 2 CONNECTOR. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5985-00-439-0548 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.