The Attenuator,fixed, cataloged under National Stock Number 5985-00-497-4340, 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 Us Army Aviation and Missile Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-497-4340 |
| Primary Part Number | 10670747-002 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES AND RELATED EQUIP. |
| Frequency Range | 0.000 HERTZ MINIMUM AND 40.000 MEGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.560 INCHES NOMINAL IN |
| Input Impedance Rating in Ohms | 100.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 26.0 |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Application Design | TRANSMISSION LINE |
| Power Rating | 1.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 100.0 |
| Coaxial Connector Series Designation | BNC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10670747-002 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 10670747-2 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 11390-100-BNC-1 | 5/9 Secondary reference Meggitt (new Hampshire), Inc |
| 1340-9-7M06 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-497-4340 is a Attenuator,fixed, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-497-4340 has 2 manufacturer part numbers on file: 10670747-002 (Us Army Aviation and Missile Command), 10670747-2 (Us Army Aviation and Missile Command).
Key specifications for 10670747-002: FSC Application Data: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.; Frequency Range: 0.000 HERTZ MINIMUM AND 40.000 MEGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.560 INCHES NOMINAL IN. 13 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 5985-00-497-4340 has DEMIL Code B. 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.