The Attenuator,fixed, cataloged under National Stock Number 5985-00-256-8449, 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 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5985-00-256-8449 |
| Primary Part Number | 768-20 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq |
| Status | CANCELLED |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM |
| Input Impedance Rating in Ohms | 50.0 |
| Terminal Type and Quantity | 2 CONNECTOR |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 4.0 GIGAHERTZ AND +4.0 TO 6.0 GIGAHERTZ AND +6.0 TO 11.0 GIGAHERTZ |
| Output Impedance Rating in Ohms | 50.0 |
| Attenuation Accuracy Reference Frequency | 11.0 GIGAHERTZ |
| Rf Signal Attenuation in Decibels | 20.0 |
| Power Rating | 20.0 WATTS AVERAGE |
| Operating Temp Range | -54.0 TO 71.0 CELSIUS DEGC |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Coaxial Connector Series Designation | BNC |
| Attenuation Accuracy in Decibels | -0.75 TO 0.75 |
| Mounting Method | CONNECTOR |
| Voltage Standing Wave Ratio | 1.10 AND 1.15 AND 1.20 |
| Application Design | TRANSMISSION LINE |
| Material | COPPER ALLOY BODY |
| Surface Treatment | CADMIUM BODY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 528-20 | Cinch Connectivity Solutions Inc (USA) |
| 768-20 PRIMARY | Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA) |
| MDC1102-20 | Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA) |
| ATT-0528-20-NNN-07 | Cinch Connectivity Solutions Inc (USA) |
| 528-20DB | Cinch Connectivity Solutions Inc (USA) |
NSN 5985-00-256-8449 is a Attenuator,fixed, manufactured by Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq, classified under FSC 5985 (No Item Name Available). Status: cancelled.
NSN 5985-00-256-8449 has 5 cross-referenced part numbers: 528-20 (Cinch Connectivity Solutions Inc), 768-20 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), MDC1102-20 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc), ATT-0528-20-NNN-07 (Cinch Connectivity Solutions Inc), 528-20DB (Cinch Connectivity Solutions Inc).
There are 7 known substitutes for 5985-00-256-8449: 5845-00-338-8446, 4920-00-777-9859, 5330-00-844-1989 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 768-20: Overall Length: 3.125 INCHES NOMINAL IN; Connection Type Per Function: FEMALE INPUT AND MALE OUTPUT; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Frequency Range: 0.000 HERTZ MINIMUM AND 11.000 GIGAHERTZ MAXIMUM. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5985-00-256-8449 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.