The Attenuator,variable, cataloged under National Stock Number 5985-00-404-5221, 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 Northrop Grumman Systems Corporation Dba Electronic Systems. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-404-5221 |
| Primary Part Number | 990C929H02 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Overall Attenuation Range in Decibels | +0.0 TO 20.0 |
| Test Data Document | 18323-990C929H02 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Voltage Standing Wave Ratio | 1.00 |
| Application Design | TRANSMISSION LINE |
| Power Rating | 10.0 WATTS AVERAGE |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Attenuation Variation Method | CONTINUOUS |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 1.0 |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Coaxial Connector Series Designation | N |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.300 INCHES NOMINAL IN |
| Terminal Type and Quantity | 1 CONNECTOR, COAXIAL, MALE AND 1 CONNECTOR, COAXIAL, FEMALE |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.880 INCHES NOMINAL IN |
| Body Style | COAXIAL TYPE |
| Frequency Range | 2.000 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Mounting Thread Quantity | 32 PER INCH |
| Mounting Facility Nominal Screw Thread Diameter | 0.190 INCHES IN |
| Adjustment Device Type and Quantity | 1 KNOB |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 990C929H02 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| 792 | Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA) |
NSN 5985-00-404-5221 is a Attenuator,variable, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-404-5221 has 2 cross-referenced part numbers: 990C929H02 (Northrop Grumman Systems Corporation Dba Electronic Systems), 792 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq).
There are 12 known substitutes for 5985-00-404-5221: 3110-00-100-0340, 5905-00-114-4253, 5975-00-233-6234 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 990C929H02: Overall Attenuation Range in Decibels: +0.0 TO 20.0; Overall Length: 5.000 INCHES NOMINAL IN; Test Data Document: 18323-990C929H02 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); Mounting Facility Type and Quantity: 4 THREADED HOLE(S). 23 total characteristics are documented in the Federal Logistics Information System.