The Attenuator,fixed, cataloged under National Stock Number 5985-01-154-7343, 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 Frequency Electronics Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-154-7343 |
| Primary Part Number | 511497-05 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frequency Electronics Inc |
| Status | ACTIVE |
| Frequency Range | 4.000 GIGAHERTZ MINIMUM AND 8.500 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.360 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.25 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 5.0 |
| Attenuation Accuracy in Decibels | -0.30 TO 0.30 |
| Precious Material and Location | CONNECTOR SURFACES GOLD |
| Connection Type Per Function | MALE INPUT AND FEMALE OUTPUT |
| Voltage Standing Wave Ratio Frequency Range | +4.0 TO 8.5 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Temperature Sensitivity Attenuation in Decibels | 0.1000 |
| Power Rating | 1.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 511497-05 | Cinch Connectivity Solutions Inc (USA) |
| 511497-05 PRIMARY | Frequency Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 511497-05 | 5/9 Secondary reference Smiths Interconnect Americas, Inc. |
| 511497-05 | 3/9 Design control — primary reference Fei Microwave Inc |
| 511497 | C/1 Advisory reference — outside the item-of-supply concept Fei Microwave Inc |
NSN 5985-01-154-7343 is a Attenuator,fixed, manufactured by Frequency Electronics Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-154-7343 has 2 manufacturer part numbers on file: 511497-05 (Cinch Connectivity Solutions Inc), 511497-05 (Frequency Electronics Inc).
Key specifications for 511497-05: Frequency Range: 4.000 GIGAHERTZ MINIMUM AND 8.500 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.360 INCHES MAXIMUM IN; Precious Material: GOLD. 18 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.
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.