The Attenuator,fixed, cataloged under National Stock Number 5985-00-791-7381, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-791-7381 |
| Primary Part Number | 379-0370-00 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 1.000 KILOHERTZ MAXIMUM |
| Center to Center Distance Between Second and Third Terminals | 0.500 INCHES NOMINAL IN |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON ONE SURFACE |
| Attenuation Accuracy Reference Frequency | 1.0 KILOHERTZ |
| Precious Material | SILVER |
| Input Impedance Rating in Ohms | 600.0 |
| Rf Signal Attenuation in Decibels | 3.5 |
| Body Height | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Attenuation Accuracy in Decibels | -0.10 TO 0.10 |
| Schematic Diagram Designator | BALANCED "H" BRIDGED |
| Center to Center Distance Between First and Second Terminals | 0.250 INCHES NOMINAL IN |
| Surface Treatment | SILVER TERMINAL |
| Precious Material and Location | TERMINAL SURFACES SILVER |
| Operating Temp Range | -40.0 TO 85.0 CELSIUS DEGC |
| Application Design | AUDIO |
| Material | COPPER TERMINAL |
| Material | PLASTIC POLYCHLOROFLUOROETHYLENE BODY |
| Power Rating | 250.0 MILLIWATTS AVERAGE |
| Terminal Type and Quantity | 4 BANANA PLUG |
| Output Impedance Rating in Ohms | 600.0 |
| Center to Center Distance Between Third and Fourth Terminals | 0.750 INCHES NOMINAL IN |
| 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 |
|---|---|
| 379-0370-00 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 600Z38 | 5/9 Secondary reference Sprague Electric Co World Hqs |
| 379-0370-00 | 5/9 Secondary reference Welwyn International Inc |
| NR8681-370 | 5/9 Secondary reference Meggitt (new Hampshire), Inc |
NSN 5985-00-791-7381 is a Attenuator,fixed, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-791-7381 has 1 manufacturer part number on file: 379-0370-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 379-0370-00: Overall Height: 0.594 INCHES NOMINAL IN; Frequency Range: 0.000 HERTZ MINIMUM AND 1.000 KILOHERTZ MAXIMUM; Center to Center Distance Between Second and Third Terminals: 0.500 INCHES NOMINAL IN; Body Style: RECTANGULAR, TERMINAL/TERMINALS ON ONE SURFACE. 21 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.