The Attenuator,variable, cataloged under National Stock Number 5985-01-336-9521, 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 Navy, United States Department of the Spawar Dba Space and Naval Wafare Command. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-336-9521 |
| Primary Part Number | 78E6N3324 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navy, United States Department of the Spawar Dba Space and Naval Wafare Command |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 3.5 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Frequency Range | 2.000 GIGAHERTZ MINIMUM AND 8.000 GIGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Segment Attenuation Accuracy in Decibels | -1.00 TO 1.00 AND -1.30 TO 1.30 AND -1.50 TO 1.50 AND -2.00 TO 2.00 AND -4.00 TO 4.00 |
| Adjustment Device Type and Quantity | 1 ELECTRONIC, VOLTAGE CONTROLLED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.800 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +1.0 TO 60.0 |
| Voltage Standing Wave Ratio | 1.80 |
| Segment Attenuation Range in Decibels | +1.00 TO 5.00 AND +5.00 TO 10.00 AND +10.00 TO 20.00 AND +20.00 TO 30.00 AND +30.00 TO 40.00 AND +40.00 TO 50.00 AND +50.00 TO 60.00 |
| Unthreaded Mounting Hole Diameter | 0.104 INCHES NOMINAL IN |
| Overall Attenuation Accuracy in Decibels | -1.00 TO 4.00 |
| Attenuation Per Step in Decibels | 1.0 AND 5.0 AND 10.0 AND 20.0 AND 30.0 AND 40.0 AND 50.0 AND 60.0 |
| Attenuation Variation Method | STEPPED |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.050 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE AND 4 TURRET |
| Step Position Quantity | 8 |
| 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 |
|---|---|
| 78E6N3324 PRIMARY | Navy, United States Department of the Spawar Dba Space and Naval Wafare Command (USA) |
| GT-1102 | Caes Systems Llc (USA) |
| 78E6N3324 | General Microwave Corporation Div Kratos Microwave Electronics (USA) |
| Reference | Meaning |
|---|---|
| 3505 | 5/9 Secondary reference Caes Systems Llc |
| 78E6N3324 | 5/9 Secondary reference Caes Systems Llc |
NSN 5985-01-336-9521 is a Attenuator,variable, manufactured by Navy, United States Department of the Spawar Dba Space and Naval Wafare Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-336-9521 has 3 manufacturer part numbers on file: 78E6N3324 (Navy, United States Department of the Spawar Dba Space and Naval Wafare Command), GT-1102 (Caes Systems Llc), 78E6N3324 (General Microwave Corporation Div Kratos Microwave Electronics).
Key specifications for 78E6N3324: Insertion Loss at Minimum Attenuation in Maximum Decibels: 3.5; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Overall Height: 1.030 INCHES MAXIMUM IN. 21 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.