PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50-669Delay Line

Polara Engineering, Inc. · NSN 5999-01-112-0492 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-112-0492 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-112-0492. Primary manufacturer part number: 50-669.
Features
  • Delay Line — FSC 5999
  • Segment Quantity Per Section: 10 SINGLE SECTION
  • Mounting Facility: PIN(S)
  • Signal Delay Method: LUMPED CONSTANT
  • Segment Delay Time: 5.000 NANOSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS NS
  • Delay Time Variation Method: TAPPED
  • Unable to Decode: UNABLE TO DECODE
  • Attenuation in Decibels: 4.000
Applications
  • Applications requiring Plastic Epoxy Case construction
General Description

The Delay Line, cataloged under National Stock Number 5999-01-112-0492, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-112-0492
Primary Part Number50-669
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerPolara Engineering, Inc.
StatusACTIVE
Segment Quantity Per Section10 SINGLE SECTION
Mounting FacilityPIN(S)
Signal Delay MethodLUMPED CONSTANT
Segment Delay Time5.000 NANOSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS NS
Delay Time Variation MethodTAPPED
Unable to DecodeUNABLE TO DECODE
Attenuation in Decibels4.000
MaterialPLASTIC EPOXY CASE
MaterialCOPPER ALLOY 511 TERMINAL
Operating Temp Range-45.0 TO 110.0 CELSIUS DEGC
Voltage Rating50.000 VOLTS NOMINAL
Body Width0.270 INCHES MAXIMUM IN
Body Length0.760 INCHES MAXIMUM IN
Individual Section Quantity1
Output Impedance Rating100.000 OHMS
Input Impedance Rating100.000 OHMS
Terminal Type and Quantity14 PIN
Pulse Rise Time Rating10.0 NANOSECONDS NS
Body StyleRECTANGULAR
Section Delay Time5.000 NANOSECONDS NOMINAL SINGLE SECTION NS
Segment Quantity Per Section10 SINGLE SECTION
Mounting FacilityPIN(S)
Signal Delay MethodLUMPED CONSTANT
Segment Delay Time5.000 NANOSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS NS
Delay Time Variation MethodTAPPED
Unable to DecodeUNABLE TO DECODE
Attenuation in Decibels4.000
MaterialPLASTIC EPOXY CASE
MaterialCOPPER ALLOY 511 TERMINAL
Operating Temp Range-45.0 TO 110.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 5
9540-00-540-594110133-0701 INTERCHANGEABLE
Angle,structural
Transtar Metals Corp
1650-00-604-752650669 INTERCHANGEABLE
Plate,retaining,valve Selector
Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana
3455-00-971-8382100869 INTERCHANGEABLE
File,rotary
Jarvis Cutting Tools Inc
5962-01-031-1918 INTERCHANGEABLE
Microcircuit,digital
4320-01-112-094031191 INTERCHANGEABLE
Cartridge,valve Seat
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
Cross-Reference Index
Part NumberManufacturer
50-669 Polara Engineering, Inc. (USA)
85668700-03 General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
Related Parts
9540-00-540-5941INTERCHANGEABLE
ANGLE,STRUCTURAL
10133-0701
1650-00-604-7526INTERCHANGEABLE
PLATE,RETAINING,VALVE SELECTOR
50669
3455-00-971-8382INTERCHANGEABLE
FILE,ROTARY
100869
5962-01-031-1918INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4320-01-112-0940INTERCHANGEABLE
CARTRIDGE,VALVE SEAT
31191

Frequently Asked Questions

What is NSN 5999-01-112-0492?

NSN 5999-01-112-0492 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 5999-01-112-0492?

NSN 5999-01-112-0492 has 2 cross-referenced part numbers: 50-669 (Polara Engineering, Inc.), 85668700-03 (General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems).

What NSN replaces 5999-01-112-0492?

There are 5 known substitutes for 5999-01-112-0492: 9540-00-540-5941, 1650-00-604-7526, 3455-00-971-8382 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50-669?

Key specifications for 50-669: Segment Quantity Per Section: 10 SINGLE SECTION; Mounting Facility: PIN(S); Signal Delay Method: LUMPED CONSTANT; Segment Delay Time: 5.000 NANOSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS NS. 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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