The Attenuator,variable, cataloged under National Stock Number 5985-00-520-5507, 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 Merrimac Industries, Inc. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-520-5507 |
| Primary Part Number | ARM1-15470 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Merrimac Industries, Inc |
| Status | ACTIVE |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Frequency Range | 5.000 MEGAHERTZ MINIMUM AND 50.000 MEGAHERTZ MAXIMUM |
| Adjustment Device Type and Quantity | 1 SLOTTED SCREW |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.090 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +1.0 TO 11.0 |
| Unthreaded Mounting Hole Diameter | 0.140 INCHES NOMINAL IN |
| Attenuation Variation Method | CONTINUOUS |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.310 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Power Rating | 500.0 MILLIWATTS AVERAGE |
| Coaxial Connector Series Designation | SM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ARM1-15470 PRIMARY | Merrimac Industries, Inc (USA) |
| 2144080-1 | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
NSN 5985-00-520-5507 is a Attenuator,variable, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-520-5507 has 2 manufacturer part numbers on file: ARM1-15470 (Merrimac Industries, Inc), 2144080-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
Key specifications for ARM1-15470: Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Frequency Range: 5.000 MEGAHERTZ MINIMUM AND 50.000 MEGAHERTZ MAXIMUM; Adjustment Device Type and Quantity: 1 SLOTTED SCREW. 14 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 5985-00-520-5507 has DEMIL Code Q. 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.