PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L680020-1Delay Line

Raytheon Company Dba Raytheon Co · NSN 5999-00-519-4802 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-519-4802 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-519-4802. Primary manufacturer part number: L680020-1.
Features
  • Delay Line — FSC 5999
  • Segment Delay Time: 0.400 MICROSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS US
  • Mounting Facility Quantity: 2
  • Attenuation in Decibels: 15.000
  • Body Length: 2.060 INCHES NOMINAL IN
  • Signal Delay Method: LUMPED CONSTANT
  • Longest Horizontal Distance Between Mounting Centers: 0.972 INCHES NOMINAL IN
  • Thread Size and Series/type Designator: 0.138-32 UNIFIED NATIONAL COARSE (UNC)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-00-519-4802, 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 Raytheon Company Dba Raytheon Co. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-519-4802
Primary Part NumberL680020-1
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Segment Delay Time0.400 MICROSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS US
Mounting Facility Quantity2
Attenuation in Decibels15.000
Body Length2.060 INCHES NOMINAL IN
Signal Delay MethodLUMPED CONSTANT
Longest Horizontal Distance Between Mounting Centers0.972 INCHES NOMINAL IN
Thread Size and Series/type Designator0.138-32 UNIFIED NATIONAL COARSE (UNC)
Stud Length0.500 INCHES NOMINAL IN
Segment Quantity Per Section2 SINGLE SECTION
Body Depth1.190 INCHES NOMINAL IN
Input Impedance Rating100.000 OHMS
Mounting FacilityTHREADED STUD(S)
Operating Temp Range-29.0 TO 60.0 CELSIUS DEGC
Section Delay Time0.800 MICROSECONDS NOMINAL SINGLE SECTION US
Inclosure TypeHERMETICALLY SEALED
Thread Class2A A
Thread Pitch Diameters+0.1141 TO 0.1169 INCHES IN
Terminal Type and Quantity4 WIRE HOOK
Pulse Rise Time Rating0.2 MICROSECONDS US
Frequency Rating10.000 HERTZ MINIMUM AND 30.000 HERTZ MAXIMUM
Individual Section Quantity1
Mounting Provision Arrangement Style2 POSITION IN-LINE
Body Width1.190 INCHES NOMINAL IN
Voltage Rating500.000 VOLTS MAXIMUM
Output Impedance Rating100.000 OHMS
Body StyleRECTANGULAR
Segment Delay Time0.400 MICROSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS US
Mounting Facility Quantity2
Attenuation in Decibels15.000
Body Length2.060 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 12
Voltmeter
5935-00-129-307510315 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
6610-00-185-94332154 INTERCHANGEABLE
Plate and Shaft
Mission Systems Davenport Inc.
4730-00-476-97152154 INTERCHANGEABLE
Tee-Y,drainage Pipe
Plastic & Steel Supply Co., Inc. Dba Plastic Engineered Products
6515-00-532-83842134 INTERCHANGEABLE
Syringe,hypodermic
Becton, Dickinson and Co Dba Becton Dickinson & Co
5330-00-582-984410015465-010 INTERCHANGEABLE
Retainer,packing
Us Army Aviation and Missile Command
4730-00-873-894215 P1 INTERCHANGEABLE
Coupling Half,quick Disconnect
Diamond-U-Products Inc
3610-00-894-87972154 INTERCHANGEABLE
Hub
Stanley Bostitch Inc Sub of the Stanley Works Corp
5331-00-930-3041AS3582-154 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
6645-00-950-8599 INTERCHANGEABLE
Clock,panel
Cross-Reference Index
Part NumberManufacturer
21-54 Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil (USA)
L680020-1 PRIMARY Raytheon Company Dba Raytheon Co (USA)
Related Parts
6625-01-090-4260SUCCESSOR
VOLTMETER
5935-00-129-3075INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
10315
6610-00-185-9433INTERCHANGEABLE
PLATE AND SHAFT
2154
4730-00-476-9715INTERCHANGEABLE
TEE-Y,DRAINAGE PIPE
2154
6515-00-532-8384INTERCHANGEABLE
SYRINGE,HYPODERMIC
2134
5330-00-582-9844INTERCHANGEABLE
RETAINER,PACKING
10015465-010
4730-00-873-8942INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
15 P1
3610-00-894-8797INTERCHANGEABLE
HUB
2154
5331-00-930-3041INTERCHANGEABLE
O-RING
AS3582-154
6645-00-950-8599INTERCHANGEABLE
CLOCK,PANEL
6610-01-025-4718INTERCHANGEABLE
INDICATOR,AIR SPEED
2154
5331-01-173-6606INTERCHANGEABLE
O-RING
K70-0078

Frequently Asked Questions

What is NSN 5999-00-519-4802?

NSN 5999-00-519-4802 is a Delay Line, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-519-4802?

NSN 5999-00-519-4802 has 2 cross-referenced part numbers: 21-54 (Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil), L680020-1 (Raytheon Company Dba Raytheon Co).

What NSN replaces 5999-00-519-4802?

There are 12 known substitutes for 5999-00-519-4802: 6625-01-090-4260, 5935-00-129-3075, 6610-00-185-9433 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L680020-1?

Key specifications for L680020-1: Segment Delay Time: 0.400 MICROSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS US; Mounting Facility Quantity: 2; Attenuation in Decibels: 15.000; Body Length: 2.060 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com