The Attenuator,fixed, cataloged under National Stock Number 5985-01-215-4720, 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 Microlab/fxr Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-215-4720 |
| Primary Part Number | AH-H65 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microlab/fxr Llc |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.350 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Voltage Standing Wave Ratio | 1.15 AND 1.30 AND 1.35 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 15.0 |
| Attenuation Accuracy in Decibels | -0.75 TO 0.75 |
| Surface Treatment | PASSIVATE BODY |
| Operating Temp Range | -65.0 TO 105.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | STEEL CORROSION RESISTING BODY |
| Power Rating | 2.0 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 D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AH-H65 PRIMARY | Microlab/fxr Llc (USA) |
| 18B-15 | Spectrum Control, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5062-15 | 5/9 Secondary reference U.S. Government activity |
| 4779-15 | 5/9 Secondary reference U.S. Government activity |
| 2082-4230-15 | 5/9 Secondary reference U.S. Government activity |
| 435332-4 | 5/2 Secondary reference U.S. Government activity |
| 435332-4 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| A791BS | 5/9 Secondary reference Caes Systems Llc |
NSN 5985-01-215-4720 is a Attenuator,fixed, manufactured by Microlab/fxr Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-215-4720 has 2 manufacturer part numbers on file: AH-H65 (Microlab/fxr Llc), 18B-15 (Spectrum Control, Inc.).
Key specifications for AH-H65: Frequency Range: 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.350 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Voltage Standing Wave Ratio: 1.15 AND 1.30 AND 1.35. 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.
NSN 5985-01-215-4720 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.