The Attenuator,fixed, cataloged under National Stock Number 5985-00-421-3046, 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 Watkins Johnson Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-421-3046 |
| Primary Part Number | 643615-002 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Watkins Johnson Co |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Overall Diameter | 0.400 INCHES NOMINAL IN |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | TERMINAL |
| Rf Signal Attenuation in Decibels | 6.0 |
| Application Design | TRANSMISSION LINE |
| Power Rating | 1.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| 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 |
|---|---|
| AH06F | Microlab/fxr Llc (USA) |
| 643615-002 PRIMARY | Watkins Johnson Co (USA) |
| Reference | Meaning |
|---|---|
| 1056811P1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 643615-002 | 5/9 Secondary reference Watkins-Johnson Co |
NSN 5985-00-421-3046 is a Attenuator,fixed, manufactured by Watkins Johnson Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-421-3046 has 2 manufacturer part numbers on file: AH06F (Microlab/fxr Llc), 643615-002 (Watkins Johnson Co).
Key specifications for 643615-002: Frequency Range: 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM; Overall Diameter: 0.400 INCHES NOMINAL IN; Input Impedance Rating in Ohms: 50.0; Mounting Method: TERMINAL. 9 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 5985-00-421-3046 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.