The Delay Line, cataloged under National Stock Number 5999-01-026-1643, 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 Viking Technologies, Ltd.. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5999-01-026-1643 |
| Primary Part Number | 18898-2 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Body Depth | 0.375 INCHES NOMINAL IN |
| Mounting Facility | THREADED STUD(S) |
| Input Impedance Rating | 500.000 OHMS |
| Delay Time Variation Method | TAPPED |
| Longest Horizontal Distance Between Mounting Centers | 2.250 INCHES NOMINAL IN |
| Body Style | RECTANGULAR |
| Output Impedance Rating | 500.000 OHMS |
| Signal Delay Method | LUMPED CONSTANT |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Body Width | 2.500 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 2.130 INCHES NOMINAL IN |
| Body Length | 2.750 INCHES NOMINAL IN |
| Mounting Facility Quantity | 4 |
| Delay Time Variation Per Deg Celsius | 0.050 MICROSECONDS US |
| Body Depth | 0.375 INCHES NOMINAL IN |
| Mounting Facility | THREADED STUD(S) |
| Input Impedance Rating | 500.000 OHMS |
| Delay Time Variation Method | TAPPED |
| Longest Horizontal Distance Between Mounting Centers | 2.250 INCHES NOMINAL IN |
| Body Style | RECTANGULAR |
| Output Impedance Rating | 500.000 OHMS |
| Signal Delay Method | LUMPED CONSTANT |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Body Width | 2.500 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 2.130 INCHES NOMINAL IN |
| Body Length | 2.750 INCHES NOMINAL IN |
| Mounting Facility Quantity | 4 |
| Delay Time Variation Per Deg Celsius | 0.050 MICROSECONDS US |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5999-01-026-1643 is a Delay Line, manufactured by Viking Technologies, Ltd., classified under FSC 5999 (No Item Name Available). Status: active.
NSN 5999-01-026-1643 has 2 cross-referenced part numbers: 320041 (Bae Systems Information and Electronic Systems Integration Inc.), 18898-2 (Viking Technologies, Ltd.).
There are 7 known substitutes for 5999-01-026-1643: 5935-00-425-9970, 6680-00-613-2608, 4320-01-132-5363 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18898-2: Body Depth: 0.375 INCHES NOMINAL IN; Mounting Facility: THREADED STUD(S); Input Impedance Rating: 500.000 OHMS; Delay Time Variation Method: TAPPED. 28 total characteristics are documented in the Federal Logistics Information System.