The Attenuator,variable, cataloged under National Stock Number 5985-00-996-0975, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-996-0975 |
| Primary Part Number | 549-8907-002 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems |
| Status | ACTIVE |
| Attenuation Per Step in Decibels | 10.0 |
| Power Rating | 500.0 MILLIWATTS AVERAGE |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Mounting Thread Quantity | 32 PER INCH |
| Overall Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Step Position Quantity | 10 |
| Shaft Length | 0.750 INCHES NOMINAL IN |
| Application Design | AUDIO |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Schematic Diagram Designator | BALANCED "H" BRIDGED |
| Body Length | 1.750 INCHES NOMINAL IN |
| Distance Between Mounting Facility Centers | 1.500 INCHES NOMINAL IN |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Shaft Type | ROUND |
| Body Diameter | 2.343 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Frequency Range | 0.000 KILOHERTZ MINIMUM AND 1.000 KILOHERTZ MAXIMUM |
| Mounting Facility Nominal Screw Thread Diameter | 0.164 INCHES IN |
| Overall Attenuation Range in Decibels | +0.0 TO 100.0 |
| Impedance Rating in Ohms | 600.0 INPUT-OUTPUT |
| Attenuation Variation Method | STEPPED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 549-8907-002 PRIMARY | Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA) |
| A8298-2 | Shallco, Inc (USA) |
| SPEC 6576 | Shallco, Inc (USA) |
| 549-8907-002 | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| 6576-2 | Shallco, Inc (USA) |
| 6576-2 | Meggitt (new Hampshire), Inc (USA) |
| A8298-2 | Meggitt (new Hampshire), Inc (USA) |
NSN 5985-00-996-0975 is a Attenuator,variable, manufactured by Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-996-0975 has 7 cross-referenced part numbers: 549-8907-002 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), A8298-2 (Shallco, Inc), SPEC 6576 (Shallco, Inc), 549-8907-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 6576-2 (Shallco, Inc) and 2 more.
There are 2 known substitutes for 5985-00-996-0975: 6640-00-442-9005, 4320-00-468-1934. Verify interchangeability with system specifications before substitution.
Key specifications for 549-8907-002: Attenuation Per Step in Decibels: 10.0; Power Rating: 500.0 MILLIWATTS AVERAGE; Overall Length: 2.500 INCHES NOMINAL IN; Body Style: CYLINDRICAL W/SIDE TERMINALS. 26 total characteristics are documented in the Federal Logistics Information System.