The Attenuator,fixed, cataloged under National Stock Number 5985-01-320-7847, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-320-7847 |
| Primary Part Number | FAB-3-1.25K |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Merrimac Industries, Inc |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 2.500 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 14.73 MILLIMETERS NOMINAL MM |
| Voltage Standing Wave Ratio | 1.20 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 3.0 |
| Attenuation Accuracy in Decibels | -0.30 TO 0.30 |
| Operating Temp Range | -54.0 TO 95.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 2.5 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Power Rating | 2.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 CONNECTOR |
| 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 |
|---|---|
| FAB-3-1.25K PRIMARY | Merrimac Industries, Inc (USA) |
NSN 5985-01-320-7847 is a Attenuator,fixed, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-320-7847 has 1 manufacturer part number on file: FAB-3-1.25K (Merrimac Industries, Inc).
Key specifications for FAB-3-1.25K: Frequency Range: 0.000 HERTZ MINIMUM AND 2.500 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 14.73 MILLIMETERS NOMINAL MM; Voltage Standing Wave Ratio: 1.20. 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.
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.