The Attenuator,fixed, cataloged under National Stock Number 5985-01-084-9086, 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 Spectrum Control, Inc.. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-084-9086 |
| Primary Part Number | 12A-03 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Spectrum Control, Inc. |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM12.000 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Attenuation Accuracy Reference Frequency | 12.0 GIGAHERTZ12.0 GIGAHERTZ |
| Overall Diameter | 0.390 INCHES NOMINAL0.390 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.15 AND 1.15 AND 1.251.25 |
| Input Impedance Rating in Ohms | 50.050.0 |
| Mounting Method | CONNECTORCONNECTOR |
| Rf Signal Attenuation in Decibels | 3.03.0 |
| Attenuation Accuracy in Decibels | -0.30 TO 0.30-0.30 TO 0.30 |
| Surface Treatment | PASSIVATE BODY |
| Surface Treatment | GOLD TERMINAL |
| Precious Material and Location | CENTER CONDUCTOR SURFACES GOLD |
| Connection Type Per Function | FEMALE OUTPUT AND FEMALE OUTPUT AND MALE INPUTMALE INPUT |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 8.0 GIGAHERTZ AND +0.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.0 GIGAHERTZ+8.0 TO 12.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINETRANSMISSION LINE |
| Material | BERYLLIUM COPPER (USE CUB000) TERMINAL |
| Material | STEEL CORROSION RESISTING BODY |
| Power Rating | 2.0 WATTS AVERAGE2.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 CONNECTOR2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.050.0 |
| Coaxial Connector Series Designation | OSMOSM |
| 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 |
|---|---|
| 12A-03 | Spectrum Control, Inc. (USA) |
| MDC8055-3 | Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2082-6181-03 | 3/9 Design control — primary reference Tyco Electronics Corp |
| 12A-3 | 5/9 Secondary reference Spectrum Control, Inc. |
| SF-0929-6206-03 | 5/9 Secondary reference U.S. Government activity |
| 50HF-003-SMA | 5/9 Secondary reference Jfw Industries Incorporated Dba Jfw Industries Inc |
| 40-403681-02 | 5/9 Secondary reference Interlink Communications Inc |
NSN 5985-01-084-9086 is a Attenuator,fixed, manufactured by Spectrum Control, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-084-9086 has 2 manufacturer part numbers on file: 12A-03 (Spectrum Control, Inc.), MDC8055-3 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc).
Key specifications for 12A-03: Frequency Range: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 12.000 GIGAHERTZ MAXIMUM12.000 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Attenuation Accuracy Reference Frequency: 12.0 GIGAHERTZ12.0 GIGAHERTZ; Overall Diameter: 0.390 INCHES NOMINAL0.390 INCHES NOMINAL IN. 22 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 5985-01-084-9086 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.