The Attenuator,fixed, cataloged under National Stock Number 5985-00-009-6715, 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 Meca Electronics Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-009-6715 |
| Primary Part Number | 612-3-2 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Meca Electronics Inc |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.562 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.30 |
| Input Impedance Rating in Ohms | 75.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 3.0 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Surface Treatment | SILVER BODY |
| Operating Temp Range | -55.0 TO 150.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 2.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | COPPER ALLOY BODY |
| Power Rating | 2.0 WATTS AVERAGE AND 2.0 KILOWATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 75.0 |
| Coaxial Connector Series Designation | BNC |
| 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 |
|---|---|
| 612-3-2 | Meca Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 672-03-7 | 5/9 Secondary reference Meca Electronics Inc |
| 2837478 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2837478 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5985-00-009-6715 is a Attenuator,fixed, manufactured by Meca Electronics Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-009-6715 has 1 manufacturer part number on file: 612-3-2 (Meca Electronics Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5910-01-268-0657, 5110-01-430-8507, 7520-01-504-8934. Verify interchangeability with system specifications before substitution.
Key specifications for 612-3-2: Frequency Range: 0.000 HERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.562 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.30. 17 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.