PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44-45Delay Line

Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil · NSN 5999-00-846-2987 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-846-2987 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-846-2987. Primary manufacturer part number: 44-45.
Features
  • Delay Line — FSC 5999
  • Frequency Rating: 0.320 MEGAHERTZ NOMINAL
  • Section Delay Time: 8.000 MICROSECONDS NOMINAL SINGLE SECTION US
  • Terminal Type and Quantity: 3 TAB SOLDER LUG
  • Individual Section Quantity: 1
  • Signal Delay Method: ELECTROMECHANICAL
  • Frequency Rating: 0.320 MEGAHERTZ NOMINAL
  • Section Delay Time: 8.000 MICROSECONDS NOMINAL SINGLE SECTION US
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-00-846-2987, 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 10 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
NSN5999-00-846-2987
Primary Part Number44-45
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEsc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
StatusACTIVE
Frequency Rating0.320 MEGAHERTZ NOMINAL
Section Delay Time8.000 MICROSECONDS NOMINAL SINGLE SECTION US
Terminal Type and Quantity3 TAB SOLDER LUG
Individual Section Quantity1
Signal Delay MethodELECTROMECHANICAL
Frequency Rating0.320 MEGAHERTZ NOMINAL
Section Delay Time8.000 MICROSECONDS NOMINAL SINGLE SECTION US
Terminal Type and Quantity3 TAB SOLDER LUG
Individual Section Quantity1
Signal Delay MethodELECTROMECHANICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 12
1620-00-024-63464445 INTERCHANGEABLE
Orifice,valve
Goodrich Corporation
5120-00-116-3088Y143 INTERCHANGEABLE
Die,crimping Tool
Daniels Manufacturing Corporation
5820-00-230-0454 INTERCHANGEABLE
Radio Set
5120-00-249-1071 INTERCHANGEABLE
Handle,socket Wrench
4820-00-274-7389 INTERCHANGEABLE
Valve,globe
2920-00-374-4745MX2563C25 INTERCHANGEABLE
Coupling Assembly,impulse
Fairbanks Morse, Llc
6740-00-397-9626601122 INTERCHANGEABLE
Macro Extension
Polaroid Corporation Dba Polaroid
4730-00-522-1969 INTERCHANGEABLE
Packing Nut
4820-00-844-2426 INTERCHANGEABLE
Valve,globe
4820-00-892-2007 INTERCHANGEABLE
Valve,globe
Cross-Reference Index
Part NumberManufacturer
L680889-1 Raytheon Company Dba Raytheon Co (USA)
44-45 PRIMARY Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil (USA)
Related Parts
1620-00-024-6346INTERCHANGEABLE
ORIFICE,VALVE
4445
5120-00-116-3088INTERCHANGEABLE
DIE,CRIMPING TOOL
Y143
5820-00-230-0454INTERCHANGEABLE
RADIO SET
5120-00-249-1071INTERCHANGEABLE
HANDLE,SOCKET WRENCH
4820-00-274-7389INTERCHANGEABLE
VALVE,GLOBE
2920-00-374-4745INTERCHANGEABLE
COUPLING ASSEMBLY,IMPULSE
MX2563C25
6740-00-397-9626INTERCHANGEABLE
MACRO EXTENSION
601122
4730-00-522-1969INTERCHANGEABLE
PACKING NUT
4820-00-844-2426INTERCHANGEABLE
VALVE,GLOBE
4820-00-892-2007INTERCHANGEABLE
VALVE,GLOBE
5905-00-904-0290INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
018-032-019
5985-01-103-0049INTERCHANGEABLE
ATTENUATOR,FIXED
40-012082-05

Frequently Asked Questions

What is NSN 5999-00-846-2987?

NSN 5999-00-846-2987 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 5999-00-846-2987?

NSN 5999-00-846-2987 has 2 cross-referenced part numbers: L680889-1 (Raytheon Company Dba Raytheon Co), 44-45 (Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil).

What NSN replaces 5999-00-846-2987?

There are 12 known substitutes for 5999-00-846-2987: 1620-00-024-6346, 5120-00-116-3088, 5820-00-230-0454 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44-45?

Key specifications for 44-45: Frequency Rating: 0.320 MEGAHERTZ NOMINAL; Section Delay Time: 8.000 MICROSECONDS NOMINAL SINGLE SECTION US; Terminal Type and Quantity: 3 TAB SOLDER LUG; Individual Section Quantity: 1. 10 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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