The Delay Line, cataloged under National Stock Number 5999-01-201-0403, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc. Government technical data includes 28 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5999-01-201-0403 |
| Primary Part Number | A-490-1 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc |
| Status | ACTIVE |
| Attenuation in Decibels | 32.000 |
| Body Depth | 3.880 INCHES NOMINAL IN |
| Mounting Facility | THREADED INSERT |
| Frequency Rating | 1.800 KILOHERTZ MINIMUM AND 7.400 KILOHERTZ MAXIMUM |
| Voltage Rating | 1.000 MILLIVOLTS MINIMUM AND 4.000 VOLTS MAXIMUM |
| Body Style | RECTANGULAR, FRONT CONNECTION |
| Operating Temp Range | +0.0 TO 60.0 CELSIUS DEGC |
| Output Impedance Rating | 500.000 OHMS |
| Body Width | 1.500 INCHES NOMINAL IN |
| Input Impedance Rating | 19500.000 OHMS |
| Individual Section Quantity | 9 |
| Body Length | 4.000 INCHES NOMINAL IN |
| Section Delay Time | 6.400 MILLISECONDS NOMINAL ALL SECTIONS MS |
| Mounting Facility Quantity | 4 |
| Attenuation in Decibels | 32.000 |
| Body Depth | 3.880 INCHES NOMINAL IN |
| Mounting Facility | THREADED INSERT |
| Frequency Rating | 1.800 KILOHERTZ MINIMUM AND 7.400 KILOHERTZ MAXIMUM |
| Voltage Rating | 1.000 MILLIVOLTS MINIMUM AND 4.000 VOLTS MAXIMUM |
| Body Style | RECTANGULAR, FRONT CONNECTION |
| Operating Temp Range | +0.0 TO 60.0 CELSIUS DEGC |
| Output Impedance Rating | 500.000 OHMS |
| Body Width | 1.500 INCHES NOMINAL IN |
| Input Impedance Rating | 19500.000 OHMS |
| Individual Section Quantity | 9 |
| Body Length | 4.000 INCHES NOMINAL IN |
| Section Delay Time | 6.400 MILLISECONDS NOMINAL ALL SECTIONS MS |
| Mounting Facility Quantity | 4 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5999-01-201-0403 is a Delay Line, manufactured by Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc, classified under FSC 5999 (No Item Name Available). Status: active.
NSN 5999-01-201-0403 has 2 cross-referenced part numbers: A-490-1 (Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc), 1207929-1 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There are 3 known substitutes for 5999-01-201-0403: 1660-00-608-3226, 5980-01-029-6667, 2541-01-553-4588. Verify interchangeability with system specifications before substitution.
Key specifications for A-490-1: Attenuation in Decibels: 32.000; Body Depth: 3.880 INCHES NOMINAL IN; Mounting Facility: THREADED INSERT; Frequency Rating: 1.800 KILOHERTZ MINIMUM AND 7.400 KILOHERTZ MAXIMUM. 30 total characteristics are documented in the Federal Logistics Information System.