The Attenuator,variable, cataloged under National Stock Number 5985-01-537-5850, 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 Professional Electronics Co Inc. Dba Hallicrafters. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-537-5850 |
| Primary Part Number | 50TX82.5 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Professional Electronics Co Inc. Dba Hallicrafters |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 1.2 |
| Impedance Rating in Ohms | 50.0 INPUT |
| Mounting Facility Type and Quantity | 1 CONNECTOR |
| Frequency Range | 1.000 GIGAHERTZ MINIMUM AND 750.000 KILOHERTZ MAXIMUM |
| Segment Attenuation Accuracy in Decibels | -1.00 TO 1.50 |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 8.422 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +0.0 TO 82.5 |
| Segment Attenuation Range in Decibels | -0.20 TO 0.30 |
| Overall Attenuation Accuracy in Decibels | -1.00 TO 1.50 |
| Attenuation Per Step in Decibels | 0.5 AND 1.0 AND 2.0 AND 3.0 AND 6.0 AND 10.0 AND 20.0 |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 1.750 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.500 INCHES NOMINAL IN |
| Application Design | PRINTED CIRCUIT BOARD |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, MALE |
| Power Rating | 1.0 WATTS AVERAGE |
| 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 |
|---|---|
| 50TX82.5 PRIMARY | Professional Electronics Co Inc. Dba Hallicrafters (USA) |
| Reference | Meaning |
|---|---|
| 50TA82.5-BNC | 5/9 Secondary reference Alan Industries Inc |
NSN 5985-01-537-5850 is a Attenuator,variable, manufactured by Professional Electronics Co Inc. Dba Hallicrafters, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-537-5850 has 1 manufacturer part number on file: 50TX82.5 (Professional Electronics Co Inc. Dba Hallicrafters).
Key specifications for 50TX82.5: Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.2; Impedance Rating in Ohms: 50.0 INPUT; Mounting Facility Type and Quantity: 1 CONNECTOR; Frequency Range: 1.000 GIGAHERTZ MINIMUM AND 750.000 KILOHERTZ MAXIMUM. 16 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.