The Attenuator,variable, cataloged under National Stock Number 5985-01-054-8537, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-054-8537 |
| Primary Part Number | 2222351-1 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 7.0 |
| Waveguide Flange Type | CHOKE |
| Mounting Facility Type and Quantity | 8 TERMINAL WITH MOUNTING HOLES |
| Frequency Range | 10.200 GIGAHERTZ MINIMUM AND 10.600 GIGAHERTZ MAXIMUM |
| Body Style | WAVEGUIDE TYPE |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Adjustment Device Type and Quantity | 1 KNOB |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.280 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +0.0 TO 36.0 |
| Voltage Standing Wave Ratio | 1.15 |
| Waveguide Flange Designation | UG-40A/U A |
| Unthreaded Mounting Hole Diameter | 0.169 INCHES NOMINAL IN |
| Overall Attenuation Accuracy in Decibels | -1.50 TO 1.50 |
| Attenuation Variation Method | CONTINUOUS |
| Operating Temp Range | -40.0 TO 55.0 CELSIUS DEGC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.220 INCHES NOMINAL IN |
| Application Design | WAVEGUIDE |
| Terminal Type and Quantity | 2 FLANGE |
| Power Rating | 1.0 WATTS AVERAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-054-8537 is a Attenuator,variable, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-054-8537 has 2 manufacturer part numbers on file: 2222351-1 (Raytheon Company Dba Raytheon Co), 2222351-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2222351-1: Insertion Loss at Minimum Attenuation in Maximum Decibels: 7.0; Waveguide Flange Type: CHOKE; Mounting Facility Type and Quantity: 8 TERMINAL WITH MOUNTING HOLES; Overall Height: 2.875 INCHES MAXIMUM IN. 19 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 5985-01-054-8537 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.