The Attenuator,fixed, cataloged under National Stock Number 5985-00-138-3453, 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 General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-138-3453 |
| Primary Part Number | PDA-1 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 890.000 MEGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.375 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.20 |
| Input Impedance Rating in Ohms | 75.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 1.0 |
| Attenuation Accuracy in Decibels | -0.20 TO 0.20 |
| Application Design | TRANSMISSION LINE |
| Material | COPPER ALLOY BODY |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 75.0 |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| PDA-1 PRIMARY | General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division (USA) |
| Reference | Meaning |
|---|---|
| PDL1 | 5/9 Secondary reference General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division |
NSN 5985-00-138-3453 is a Attenuator,fixed, manufactured by General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-138-3453 has 1 manufacturer part number on file: PDA-1 (General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-451-7592. Verify interchangeability with system specifications before substitution.
Key specifications for PDA-1: Frequency Range: 0.000 HERTZ MINIMUM AND 890.000 MEGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.375 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.20. 13 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.