The Attenuator,fixed, cataloged under National Stock Number 5985-01-172-6479, 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 17 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-172-6479 |
| Primary Part Number | 3458-62 |
| 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 | 4 |
| Frequency Range | 8.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.720 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.80 |
| Input Impedance Rating in Ohms | 300.0 |
| Mounting Method | UNTHREADED HOLE(S) |
| Rf Signal Attenuation in Decibels | 60.0 |
| Unthreaded Mounting Hole Diameter | 0.120 INCHES NOMINAL IN |
| Connection Type Per Function | FEMALE OUTPUT AND MALE INPUT |
| Operating Temp Range | -65.0 TO 110.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +8.0 TO 18.0 GIGAHERTZ |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.720 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Power Rating | 100.0 MILLIWATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 300.0 |
| 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 |
|---|---|
| 3458-62 PRIMARY | General Microwave Corporation Div Kratos Microwave Electronics (USA) |
NSN 5985-01-172-6479 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 5985-01-172-6479 has 1 manufacturer part number on file: 3458-62 (General Microwave Corporation Div Kratos Microwave Electronics).
1 possible match (shared part number, not a government interchangeability claim): 3950-01-534-5040. Verify interchangeability with system specifications before substitution.
Key specifications for 3458-62: Mounting Hole/stud Quantity: 4; Frequency Range: 8.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.720 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.80. 17 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.