The Attenuator,variable, cataloged under National Stock Number 5985-01-138-6143, 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 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-138-6143 |
| Primary Part Number | 3954-100C |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc |
| Status | ACTIVE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.495 INCHES MINIMUM AND 3.505 INCHES MAXIMUM IN |
| Body Style | IRREGULAR |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Coaxial Connector Series Designation | N |
| Scale Linearity | LINEAR |
| Attenuation Variation Method | CONTINUOUS |
| Power Rating | 15.0 WATTS AVERAGE |
| Unthreaded Mounting Hole Diameter | 0.149 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.495 INCHES MINIMUM AND 3.505 INCHES MAXIMUM IN |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Voltage Standing Wave Ratio | 1.50 AND 1.80 |
| Overall Attenuation Range in Decibels | +6.0 TO 106.0 |
| Adjustment Device Type and Quantity | 1 KNOB |
| Operating Temp Range | -28.0 TO 85.0 CELSIUS DEGC |
| Scale Division Quantity | 100 |
| Frequency Range | 960.000 MEGAHERTZ MINIMUM AND 1.215 GIGAHERTZ MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3954-100C | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA) |
| 9716 | Spectrum Control Inc Div Weinschel (USA) |
| 8803300009-1 | Navcom Defense Electronics, Inc. (USA) |
NSN 5985-01-138-6143 is a Attenuator,variable, manufactured by Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-01-138-6143 has 3 cross-referenced part numbers: 3954-100C (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc), 9716 (Spectrum Control Inc Div Weinschel), 8803300009-1 (Navcom Defense Electronics, Inc.).
There are 5 known substitutes for 5985-01-138-6143: 6350-01-087-9529, 5331-01-143-6316, 3680-01-406-6702 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3954-100C: Center to Center Distance Between Mounting Facilities Parallel to Width: 3.495 INCHES MINIMUM AND 3.505 INCHES MAXIMUM IN; Overall Height: 2.720 INCHES NOMINAL IN; Body Style: IRREGULAR; Application Design: TRANSMISSION LINE. 22 total characteristics are documented in the Federal Logistics Information System.