The Attenuator,fixed, cataloged under National Stock Number 5985-01-032-6620, 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 Microwave Corporation Div Kratos Microwave Electronics. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-032-6620 |
| Primary Part Number | M186C |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | General Microwave Corporation Div Kratos Microwave Electronics |
| Status | ACTIVE |
| Mounting Hole/stud Quantity | 2 |
| Frequency Range | 0.400 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.656 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 2.00 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | UNTHREADED HOLE(S) |
| Rf Signal Attenuation in Decibels | 40.0 |
| Unthreaded Mounting Hole Diameter | 0.101 INCHES NOMINAL IN |
| Body Length | 0.812 INCHES NOMINAL IN |
| Connection Type Per Function | FEMALE INPUT AND FEMALE OUTPUT |
| Voltage Standing Wave Ratio Frequency Range | +0.4 TO 12.4 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 4 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| M186C PRIMARY | General Microwave Corporation Div Kratos Microwave Electronics (USA) |
| Reference | Meaning |
|---|---|
| M186B | 5/9 Secondary reference General Microwave Corporation Div Kratos Microwave Electronics |
| M1868 | 5/9 Secondary reference General Microwave Corporation Div Kratos Microwave Electronics |
NSN 5985-01-032-6620 is a Attenuator,fixed, manufactured by General Microwave Corporation Div Kratos Microwave Electronics, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-032-6620 has 1 manufacturer part number on file: M186C (General Microwave Corporation Div Kratos Microwave Electronics).
Key specifications for M186C: Overall Height: 1.250 INCHES NOMINAL IN; Mounting Hole/stud Quantity: 2; Frequency Range: 0.400 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES. 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.
NSN 5985-01-032-6620 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.