PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50M559-104Delay Line

Polara Engineering, Inc. · NSN 5999-01-089-1799 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-089-1799 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-089-1799. Primary manufacturer part number: 50M559-104.
Features
  • Delay Line — FSC 5999
  • Body Width: 2.000 INCHES NOMINAL IN
  • Operating Temp Range: +0.0 TO 100.0 CELSIUS DEGC
  • Individual Section Quantity: 1
  • Mounting Facility Quantity: 4
  • Body Length: 2.100 INCHES NOMINAL IN
  • Voltage Rating: 15.000 VOLTS NOMINAL
  • Material: PLASTIC BODY
Applications
  • Applications requiring Plastic Body construction
General Description

The Delay Line, cataloged under National Stock Number 5999-01-089-1799, 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 Polara Engineering, Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-089-1799
Primary Part Number50M559-104
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerPolara Engineering, Inc.
StatusACTIVE
Body Width2.000 INCHES NOMINAL IN
Operating Temp Range+0.0 TO 100.0 CELSIUS DEGC
Individual Section Quantity1
Mounting Facility Quantity4
Body Length2.100 INCHES NOMINAL IN
Voltage Rating15.000 VOLTS NOMINAL
MaterialPLASTIC BODY
Signal Delay MethodINDUCTANCE
Input Impedance Rating200.000 OHMS
Mounting Provision Arrangement StyleFOUR POSITION RECTANGULAR
Terminal Type and Quantity4 WIRE LEADS
Output Impedance Rating200.000 OHMS
Pulse Rise Time Rating20.0 NANOSECONDS NS
Body StyleRECTANGULAR
Section Delay Time500.000 NANOSECONDS NOMINAL SINGLE SECTION NS
Mounting FacilityTERMINAL
Attenuation in Decibels1.000
Body Width2.000 INCHES NOMINAL IN
Operating Temp Range+0.0 TO 100.0 CELSIUS DEGC
Individual Section Quantity1
Mounting Facility Quantity4
Body Length2.100 INCHES NOMINAL IN
Voltage Rating15.000 VOLTS NOMINAL
MaterialPLASTIC BODY
Signal Delay MethodINDUCTANCE
Input Impedance Rating200.000 OHMS
Mounting Provision Arrangement StyleFOUR POSITION RECTANGULAR
Terminal Type and Quantity4 WIRE LEADS
Output Impedance Rating200.000 OHMS
Pulse Rise Time Rating20.0 NANOSECONDS NS
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5998-01-060-6393 (50559)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeYN
Weight0.3800 lbs
Cube0.0311 cu ft
Verified Substitutes 11
5998-01-060-639350559 SUCCESSOR
Circuit Card Assembly
Alliant Techsystems Operations Llc Div Defense Electronic Systems
5330-00-214-644650559 INTERCHANGEABLE
Gasket
Hamilton Sundstrand Corporation Dba Collins Aerospace
5310-00-221-4915SCB70002 INTERCHANGEABLE
Nut,plain,hexagon
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3455-00-222-4063 INTERCHANGEABLE
File,rotary
5120-00-240-7308129 INTERCHANGEABLE
Block,bench,mechanic's
L.s. Starrett Company (the) Div Tool Division
5355-00-687-293150559 INTERCHANGEABLE
Dial,control
Paramount Panels, Inc. Div California Plasteck
3010-00-919-5233 INTERCHANGEABLE
Coupling,shaft,flexible
3460-01-138-3486 INTERCHANGEABLE
Deflector
5950-01-139-6040374264 INTERCHANGEABLE
Transformer,power
Fluke Corp
5305-01-240-0857 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
50M559-104 Polara Engineering, Inc. (USA)
6010497-001 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
50-559 Polara Engineering, Inc. (USA)
Related Parts
SUCCESSOR 5998-01-060-6393 Circuit Card Assembly · 50559
5330-00-214-6446INTERCHANGEABLE
GASKET
50559
5310-00-221-4915INTERCHANGEABLE
NUT,PLAIN,HEXAGON
SCB70002
3455-00-222-4063INTERCHANGEABLE
FILE,ROTARY
5120-00-240-7308INTERCHANGEABLE
BLOCK,BENCH,MECHANIC'S
129
5355-00-687-2931INTERCHANGEABLE
DIAL,CONTROL
50559
3010-00-919-5233INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
3460-01-138-3486INTERCHANGEABLE
DEFLECTOR
5950-01-139-6040INTERCHANGEABLE
TRANSFORMER,POWER
374264
5305-01-240-0857INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
4720-01-337-3953INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
50559-25

Frequently Asked Questions

What is NSN 5999-01-089-1799?

NSN 5999-01-089-1799 is a Delay Line, manufactured by Polara Engineering, Inc., classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-089-1799?

NSN 5999-01-089-1799 has 3 cross-referenced part numbers: 50M559-104 (Polara Engineering, Inc.), 6010497-001 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 50-559 (Polara Engineering, Inc.).

What NSN replaces 5999-01-089-1799?

There are 11 known substitutes for 5999-01-089-1799: 5998-01-060-6393, 5330-00-214-6446, 5310-00-221-4915 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50M559-104?

Key specifications for 50M559-104: Body Width: 2.000 INCHES NOMINAL IN; Operating Temp Range: +0.0 TO 100.0 CELSIUS DEGC; Individual Section Quantity: 1; Mounting Facility Quantity: 4. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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