The Attenuator,fixed, cataloged under National Stock Number 5985-01-079-9120, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-079-9120 |
| Primary Part Number | 134645-0002 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 1.500 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.625 INCHES MAXIMUM IN |
| Voltage Standing Wave Ratio | 1.20 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 30.0 |
| Attenuation Accuracy in Decibels | -0.20 TO 0.20 |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Operating Temp Range | -10.0 TO 85.0 CELSIUS DEGC |
| Application Design | TRANSMISSION LINE |
| Power Rating | 1.0 WATTS AVERAGE AND 100.0 WATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | BNC |
| 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 |
|---|---|
| SK134645-2 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 134645-0002 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 50SP30-414 | Alan Industries Inc (USA) |
| MDC9025B-30 | Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA) |
| Reference | Meaning |
|---|---|
| FP-50-30BNCMF | 5/9 Secondary reference Trilithic, Inc. |
| A429BS | 5/9 Secondary reference Caes Systems Llc |
| 134645-2 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| XFP-052/30BNC | 5/9 Secondary reference Trilithic, Inc. |
| A101546-2 | 5/9 Secondary reference Lexan Industries, Inc Dba Struthers Electronics Div Struthers Electronics |
| 2082-400H-30 | 5/9 Secondary reference Tyco Electronics Corp |
| 50SP30-1 | 5/9 Secondary reference Alan Industries Inc |
NSN 5985-01-079-9120 is a Attenuator,fixed, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-079-9120 has 4 manufacturer part numbers on file: SK134645-2 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 134645-0002 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 50SP30-414 (Alan Industries Inc), MDC9025B-30 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc).
Key specifications for 134645-0002: Frequency Range: 0.000 HERTZ MINIMUM AND 1.500 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.625 INCHES MAXIMUM IN; Voltage Standing Wave Ratio: 1.20. 15 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 5985-01-079-9120 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.