The Attenuator,fixed, cataloged under National Stock Number 5985-01-028-6009, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-028-6009 |
| Primary Part Number | 2665611 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range | 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 1.500 GIGAHERTZ MAXIMUM1.500 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Attenuation Accuracy Reference Frequency | 1.5 GIGAHERTZ1.5 GIGAHERTZ |
| Overall Diameter | 0.650 INCHES NOMINAL0.650 INCHES NOMINAL IN |
| Precious Material | SILVERSILVER |
| Voltage Standing Wave Ratio | 1.201.20 |
| Input Impedance Rating in Ohms | 50.050.0 |
| Mounting Method | CONNECTORCONNECTOR |
| Rf Signal Attenuation in Decibels | 10.010.0 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50-0.50 TO 0.50 |
| Surface Treatment | SILVER BODY |
| Precious Material and Location | OVERALL SURFACES SILVEROVERALL SURFACES SILVER |
| Connection Type Per Function | FEMALE INPUT AND FEMALE INPUT AND FEMALE OUTPUTFEMALE OUTPUT |
| Operating Temp Range | -55.0 TO 150.0 CELSIUS-55.0 TO 150.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 1.5 GIGAHERTZ+0.0 TO 1.5 GIGAHERTZ |
| Application Design | TRANSMISSION LINETRANSMISSION LINE |
| Unpackaged Unit Weight | 1.500 OUNCES1.500 OUNCES OZ |
| Power Rating | 2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 2.0 KILOWATTS PEAK2.0 KILOWATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.050.0 |
| Coaxial Connector Series Designation | TNCTNC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2665611 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 600-10-9 | Meca Electronics Inc (USA) |
| AA-E33 | Microlab/fxr Llc (USA) |
| Reference | Meaning |
|---|---|
| 2665611-1 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| AA-10FT | 5/9 Secondary reference Microlab/fxr Llc |
NSN 5985-01-028-6009 is a Attenuator,fixed, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-028-6009 has 3 manufacturer part numbers on file: 2665611 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 600-10-9 (Meca Electronics Inc), AA-E33 (Microlab/fxr Llc).
4 possible matches (shared part number, not a government interchangeability claim): 6150-01-198-9175, 5970-01-202-5536, 4720-01-413-2596. Verify interchangeability with system specifications before substitution.
Key specifications for 2665611: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Frequency Range: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 1.500 GIGAHERTZ MAXIMUM1.500 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Attenuation Accuracy Reference Frequency: 1.5 GIGAHERTZ1.5 GIGAHERTZ. 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 5985-01-028-6009 has DEMIL Code D. 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.