The Attenuator,variable, cataloged under National Stock Number 5985-00-172-9153, 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 Corporation. Government technical data includes 24 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-172-9153 |
| Primary Part Number | 5509414-2 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.2 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 1 BRACKET(S) |
| Frequency Range | 0.000 MEGAHERTZ MINIMUM AND 500.000 MEGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Attenuation Accuracy Reference Frequency | 1.0 KILOHERTZ |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Adjustment Device Type and Quantity | 2 KNOB |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.500 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +0.0 TO 120.0 |
| Unthreaded Mounting Hole Diameter | 0.213 INCHES NOMINAL IN |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Overall Attenuation Accuracy in Decibels | -0.30 TO 0.30 |
| Attenuation Per Step in Decibels | 10.0 |
| Attenuation Variation Method | STEPPED |
| Mounting Thread Quantity | 32 PER INCH |
| Mounting Facility Nominal Screw Thread Diameter | 0.138 INCHES IN |
| Operating Temp Range | -65.0 TO 125.0 CELSIUS DEGC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.250 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 4 CONNECTOR, COAXIAL, FEMALE |
| Power Rating | 0.5 WATTS AVERAGE AND 350.0 WATTS PEAK |
| Step Position Quantity | 12 |
| Coaxial Connector Series Designation | BNC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5509414-2 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5509414-2 | 3/9 Design control — primary reference Itt Industries Inc Itt Aerospace Communications Div East |
| 5509414-2 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. |
| 5509414-2 | 5/9 Secondary reference L3harris Technologies, Inc Div Space & Airborne Systems |
NSN 5985-00-172-9153 is a Attenuator,variable, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-172-9153 has 1 manufacturer part number on file: 5509414-2 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for 5509414-2: Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.2; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 1 BRACKET(S); Overall Height: 2.570 INCHES NOMINAL IN. 24 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.
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.