The Attenuator,fixed, cataloged under National Stock Number 5985-01-708-3103, 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 Aeroflex. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-708-3103 |
| Primary Part Number | 66-40-43 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Aeroflex |
| Status | ACTIVE |
| Frequency Range | 18.0 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Precious Material | GOLD |
| Features Provided | ROHS DIRECTIVE COMPLIANCE |
| Operating Temp Range | -55.0 TO 100.0 CELSIUS DEGC |
| Material | ALUMINUM ALLOY AND BERYLLIUM COPPER (USE CUB000) BODY |
| Unpackaged Unit Weight | 480.0 GRAMS G |
| Power Rating | 150.0 WATTS AVERAGE |
| 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 |
|---|---|
| 66-40-43 PRIMARY | Aeroflex (USA) |
| Reference | Meaning |
|---|---|
| UMETRANS10324 | 6/9 Informative reference only Unidad Militar De Emergencias |
| UMETRANS10028 | 6/9 Informative reference only Unidad Militar De Emergencias |
NSN 5985-01-708-3103 is a Attenuator,fixed, manufactured by Aeroflex, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-708-3103 has 1 manufacturer part number on file: 66-40-43 (Aeroflex).
Key specifications for 66-40-43: Overall Height: 41.14 MILLIMETERS NOMINAL MM; Frequency Range: 18.0 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES; Precious Material: GOLD. 8 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.