The Attenuator,fixed, cataloged under National Stock Number 5985-01-342-8931, 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 Support Services Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-342-8931 |
| Primary Part Number | 586R549H02 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Frequency Range | 600.000 MEGAHERTZ MINIMUM AND 700.000 MEGAHERTZ MAXIMUM |
| Voltage Standing Wave Ratio | 2.70 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | PLUG-IN |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +600.0 TO 700.0 MEGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 4 PIN |
| Output Impedance Rating in Ohms | 50.0 |
| 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 |
|---|---|
| 586R549H02 | Agilent Technologies Inc. Div Semiconductor Products Group Business Center (USA) |
| 586R549H02 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| SMLD878 | Spectrum Microwave Inc (USA) |
| 586R549H02 | Solitron Devices, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 586R549H02 | 5/9 Secondary reference Spectrum Microwave, Inc. Dba Api Technologies Div Api Technologies - Spectrum Microwave |
| 586R549H02 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5985-01-342-8931 is a Attenuator,fixed, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-342-8931 has 4 manufacturer part numbers on file: 586R549H02 (Agilent Technologies Inc. Div Semiconductor Products Group Business Center), 586R549H02 (Northrop Grumman Support Services Corp), SMLD878 (Spectrum Microwave Inc), 586R549H02 (Solitron Devices, Inc.).
Key specifications for 586R549H02: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Frequency Range: 600.000 MEGAHERTZ MINIMUM AND 700.000 MEGAHERTZ MAXIMUM; Voltage Standing Wave Ratio: 2.70; Input Impedance Rating in Ohms: 50.0. 10 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 5985-01-342-8931 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.