The Attenuator,variable, cataloged under National Stock Number 5985-01-277-3293, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-277-3293 |
| Primary Part Number | 434459-1 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 2.0 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 6 THREADED HOLE(S) |
| Frequency Range | 0.000 HERTZ MINIMUM AND 500.000 MEGAHERTZ MAXIMUM |
| Body Style | IRREGULAR |
| Attenuation Accuracy Reference Frequency | 500.0 MEGAHERTZ |
| Mounting Facility Pattern | THREE POSITION IN-LINE |
| Segment Attenuation Accuracy in Decibels | -0.13 TO 0.13 AND -0.15 TO 0.15 |
| Adjustment Device Type and Quantity | 1 ELECTRONIC, VOLTAGE CONTROLLED |
| Overall Attenuation Range in Decibels | +0.0 TO 15.5 |
| Voltage Standing Wave Ratio | 1.20 |
| Segment Attenuation Range in Decibels | +0.00 TO 0.50 AND +0.50 TO 1.00 AND +1.00 TO 2.00 AND +2.00 TO 4.00 AND +4.00 TO 8.00 |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Attenuation Per Step in Decibels | 0.13 AND 0.15 |
| Attenuation Variation Method | STEPPED |
| Distance Between Mounting Facility Centers | 1.188 INCHES NOMINAL IN |
| Mounting Thread Quantity | 40 PER INCH |
| Mounting Facility Nominal Screw Thread Diameter | 0.112 INCHES IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE AND 10 SOLDER STUD |
| Power Rating | 2.0 WATTS AVERAGE |
| Step Position Quantity | 5 |
| 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 |
|---|---|
| 100C1737 | Daico Industries, Inc. Dba Daico Industries Inc (USA) |
| 434459-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| 100C1427-1-26V | 5/9 Secondary reference Daico Industries, Inc. Dba Daico Industries Inc |
NSN 5985-01-277-3293 is a Attenuator,variable, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-277-3293 has 2 manufacturer part numbers on file: 100C1737 (Daico Industries, Inc. Dba Daico Industries Inc), 434459-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for 434459-1: Insertion Loss at Minimum Attenuation in Maximum Decibels: 2.0; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 6 THREADED HOLE(S); Overall Height: 0.625 INCHES NOMINAL IN. 23 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 5985-01-277-3293 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.