The Attenuator,variable, cataloged under National Stock Number 5985-01-107-0979, 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 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-107-0979 |
| Primary Part Number | 3614-70A |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 1.0 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Frequency Range | 1.000 GIGAHERTZ MINIMUM AND 1.180 GIGAHERTZ MAXIMUM |
| Body Style | CYLINDRICAL W/ADJUSTMENT KNOB |
| Mounting Facility Pattern | FOUR POSITION CIRCULAR |
| Adjustment Device Type and Quantity | 1 KNOB |
| Overall Diameter | 5.000 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +0.0 TO 70.0 |
| Voltage Standing Wave Ratio | 1.50 |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Scale Linearity | NONLINEAR |
| Attenuation Variation Method | CONTINUOUS |
| Mounting Thread Quantity | 32 PER INCH |
| Scale Division Quantity | 70 |
| Mounting Facility Nominal Screw Thread Diameter | 0.164 INCHES IN |
| Bolt Circle Diameter | 5.125 INCHES NOMINAL IN |
| Operating Temp Range | +0.0 TO 65.0 CELSIUS DEGC |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Power Rating | 10.0 WATTS AVERAGE AND 5.0 KILOWATTS PEAK |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| 3614-70A | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA) |
| Reference | Meaning |
|---|---|
| C10617-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-107-0979 is a Attenuator,variable, manufactured by Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-107-0979 has 1 manufacturer part number on file: 3614-70A (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc).
Key specifications for 3614-70A: Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.0; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Frequency Range: 1.000 GIGAHERTZ MINIMUM AND 1.180 GIGAHERTZ MAXIMUM. 22 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 5985-01-107-0979 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.