The Attenuator,fixed, cataloged under National Stock Number 5985-01-539-2161, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-539-2161 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Frequency Range | 18.000 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Precious Material | GOLD |
| Surface Treatment | GOLD BODY |
| Precious Material and Location | CONTACTS GOLD |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Functional Description | DESIGNED TO MEET ENVIRONMENTAL REQUIREMENTS OF MIL-A-3933; LOW INTERMODULATION OPTION AVAILABLE; RUGGED INJECTION MOLDED CONNECTOR DIELECTRIC |
| Material | ALUMINUM AND STEEL CORROSION RESISTING AND BERYLLIUM COPPER (USE CUB000) BODY |
| Unpackaged Unit Weight | 175.0 GRAMS G |
| Power Rating | 50.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 473034LIM | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-539-2161 is a Attenuator,fixed, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-539-2161: Frequency Range: 18.000 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Precious Material: GOLD; Special Features: FREQUENCY RANGE DC TO 18.0 GHZ; POWER RATING, MOUNTED HORIZONTALLY, 50 W AVERAGE, UNIDIRECTIONAL TO 25 DEG C AMBIENT TEMP,DERATED LINEARLY TO 5 WATTS AT 125 DEG C; POWER COEFFICIENT LESS THAN 0.0003 DB/DB/WATT; TEMPERATURE COEFFICIENT LESS THAN 0.0004 DB/DB/DEGC; TEST DATA INSERTION LOSS TEST DATA SUPPLIED AT 0.05, 4.0, 8.0, 12.0 AND 18.0 GHZ; CONNECTORS TYPE N CONNECTORS PER MIL-STD-348 INTERFACE DIMENSION MATE NONDESTRUCTIVELY WITH MIL-C-39012 CONNECTORS; CONSTRUCTION BLACK, FINNED ALUMINUM BODY, STAINLESS STEEL CONNECTORS WITH GOLD PLATED BERYLLIUM COPPER CONTACTS; FINNED AREA IS 103.7 MM L AND 41.15 DIA MAX; FIRST END IS 18.3 MM L AND 16.0 MM DIA; SECOND END IS 21.0 MM DIA GHz. 10 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.