The Attenuator,variable, cataloged under National Stock Number 5985-00-951-4469, 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 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-951-4469 |
| Primary Part Number | 383-0047-000 |
| Item Name | Attenuator,variable |
| 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 |
| Shaft Type | ROUND, FLATTED |
| Bushing Length | 0.375 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 1200.0 INPUT-OUTPUT |
| Body Diameter | 1.000 INCHES MAXIMUM IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Overall Attenuation Range in Decibels | +0.0 TO 61.0 |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Scale Linearity | LINEAR |
| Mounting Thread Quantity | 32 PER INCH |
| Shaft Length | 2.250 INCHES NOMINAL IN |
| Body Length | 1.593 INCHES MAXIMUM IN |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Operating Temp Range | -55.0 TO 120.0 CELSIUS DEGC |
| Application Design | AUDIO |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Power Rating | 2.0 WATTS AVERAGE |
| Flat Height | 0.216 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 |
|---|---|
| 383-0047-000 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 85621 | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
| JJ85621C | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5985-00-951-4469 is a Attenuator,variable, 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 5985-00-951-4469 has 1 manufacturer part number on file: 383-0047-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-661-8521. Verify interchangeability with system specifications before substitution.
Key specifications for 383-0047-000: Shaft Type: ROUND, FLATTED; Bushing Length: 0.375 INCHES NOMINAL IN; Impedance Rating in Ohms: 1200.0 INPUT-OUTPUT; Body Diameter: 1.000 INCHES MAXIMUM IN. 20 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.