PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44-59Delay Line

Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil · NSN 5999-00-994-0284 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-994-0284 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-994-0284. Primary manufacturer part number: 44-59.
Features
  • Delay Line — FSC 5999
  • Thread Class: 2A A
  • Body Width: 1.080 INCHES NOMINAL IN
  • Individual Section Quantity: 1
  • Operating Temp Range: -54.0 TO 125.0 CELSIUS DEGC
  • Longest Vertical Distance Between Mounting Centers: 2.630 INCHES NOMINAL IN
  • Body Length: 3.380 INCHES NOMINAL IN
  • Stud Length: 0.470 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-00-994-0284, 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 Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-994-0284
Primary Part Number44-59
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEsc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
StatusACTIVE
Thread Class2A A
Body Width1.080 INCHES NOMINAL IN
Individual Section Quantity1
Operating Temp Range-54.0 TO 125.0 CELSIUS DEGC
Longest Vertical Distance Between Mounting Centers2.630 INCHES NOMINAL IN
Body Length3.380 INCHES NOMINAL IN
Stud Length0.470 INCHES NOMINAL IN
Mounting Facility Quantity2
Longest Horizontal Distance Between Mounting Centers0.250 INCHES NOMINAL IN
Voltage Rating120.000 VOLTS NOMINAL
Section Delay Time4.500 MICROSECONDS NOMINAL SINGLE SECTION US
Body Depth0.770 INCHES NOMINAL IN
Input Impedance Rating6.200 KILOHMS
Mounting FacilityTHREADED STUD(S)
Output Impedance Rating6.200 KILOHMS
Mounting Provision Arrangement Style2 POSITION DIAGONAL
Terminal Type and Quantity3 SOLDER STUD
Thread Size and Series/type Designator0.138-32 UNIFIED NATIONAL COARSE (UNC)
Pulse Rise Time Rating4.5 MICROSECONDS US
Signal Delay MethodLUMPED CONSTANT
Thread Pitch Diameters+0.1140 TO 0.1170 INCHES IN
Body StyleRECTANGULAR
Thread Class2A A
Body Width1.080 INCHES NOMINAL IN
Individual Section Quantity1
Operating Temp Range-54.0 TO 125.0 CELSIUS DEGC
Longest Vertical Distance Between Mounting Centers2.630 INCHES NOMINAL IN
Body Length3.380 INCHES NOMINAL IN
Stud Length0.470 INCHES NOMINAL IN
Mounting Facility Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.2000 lbs
Cube0.0040 cu ft
Verified Substitutes 8
6625-01-115-6251400-0624 SUCCESSOR
Counter,electronic,digital Reado
Atec Inc
6240-00-068-55434459 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5945-00-192-024510268 INTERCHANGEABLE
Relay,electromagnetic
Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp
5310-00-227-4883F0846-006 INTERCHANGEABLE
Washer,spring Tension
Barnes Group Inc. Dba Associated Spring Div Associated Spring Bristol
3455-00-455-9096B-12 INTERCHANGEABLE
Cutter,milling,end
Pohl Tool Co
3040-00-461-8856204459 INTERCHANGEABLE
Shaft,straight
Clark Material Handling Company
6105-00-643-471843236-0 INTERCHANGEABLE
Motor,direct Current
Western Sky Industries Inc Dba Electromech Techologies
7010-01-339-56264459 INTERCHANGEABLE
Computer System,digital
Lockheed Martin Services, Llc
Cross-Reference Index
Part NumberManufacturer
44-59 PRIMARY Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil (USA)
54130549 Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co (USA)
Related Parts
6625-01-115-6251SUCCESSOR
COUNTER,ELECTRONIC,DIGITAL READO
400-0624
6240-00-068-5543INTERCHANGEABLE
LAMP,INCANDESCENT
4459
5945-00-192-0245INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
10268
5310-00-227-4883INTERCHANGEABLE
WASHER,SPRING TENSION
F0846-006
3455-00-455-9096INTERCHANGEABLE
CUTTER,MILLING,END
B-12
3040-00-461-8856INTERCHANGEABLE
SHAFT,STRAIGHT
204459
6105-00-643-4718INTERCHANGEABLE
MOTOR,DIRECT CURRENT
43236-0
7010-01-339-5626INTERCHANGEABLE
COMPUTER SYSTEM,DIGITAL
4459

Frequently Asked Questions

What is NSN 5999-00-994-0284?

NSN 5999-00-994-0284 is a Delay Line, manufactured by Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-994-0284?

NSN 5999-00-994-0284 has 2 cross-referenced part numbers: 44-59 (Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil), 54130549 (Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co).

What NSN replaces 5999-00-994-0284?

There are 8 known substitutes for 5999-00-994-0284: 6625-01-115-6251, 6240-00-068-5543, 5945-00-192-0245 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44-59?

Key specifications for 44-59: Thread Class: 2A A; Body Width: 1.080 INCHES NOMINAL IN; Individual Section Quantity: 1; Operating Temp Range: -54.0 TO 125.0 CELSIUS DEGC. 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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