The Attenuator,variable, cataloged under National Stock Number 5985-00-189-0599, 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 19 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 | 5985-00-189-0599 |
| Primary Part Number | ABM-27-60/11575 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Merrimac Industries, Inc |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 2.00 |
| Impedance Rating in Ohms | 95.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Frequency Range | 0.000 MEGAHERTZ MINIMUM AND 60.000 MEGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Attenuation Accuracy Reference Frequency | 60.0 MEGAHERTZ |
| Mounting Facility Pattern | TWO POSITION DIAGONAL |
| Adjustment Device Type and Quantity | 1 SLOTTED SCREW |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.700 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +2.0 TO 22.0 |
| Voltage Standing Wave Ratio | 1.50 |
| Unthreaded Mounting Hole Diameter | 0.144 INCHES NOMINAL IN |
| Attenuation Variation Method | CONTINUOUS |
| Operating Temp Range | +0.0 TO 65.0 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 A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| V00904-001 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| ABM-27-60/11575 PRIMARY | Merrimac Industries, Inc (USA) |
NSN 5985-00-189-0599 is a Attenuator,variable, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-189-0599 has 2 manufacturer part numbers on file: V00904-001 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), ABM-27-60/11575 (Merrimac Industries, Inc).
Key specifications for ABM-27-60/11575: Insertion Loss at Minimum Attenuation in Maximum Decibels: 2.00; Impedance Rating in Ohms: 95.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 1.560 INCHES NOMINAL IN. 19 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.