PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54-31Delay Line

Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil · NSN 5999-00-054-4562 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-054-4562 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-054-4562. Primary manufacturer part number: 54-31.
Features
  • Delay Line — FSC 5999
  • Body Style: RECTANGULAR
  • Precious Material: RHODIUM
  • Surface Treatment: RHODIUM CASE
  • Precious Material and Location: CASE SURFACE RHODIUM
  • Mounting Facility Quantity: 2
  • Body Length: 5.000 INCHES MAXIMUM IN
  • Individual Section Quantity: 1
Applications
  • Applications requiring Copper Case construction
General Description

The Delay Line, cataloged under National Stock Number 5999-00-054-4562, 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 5 commercial cross-references from 4 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
NSN5999-00-054-4562
Primary Part Number54-31
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEsc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
StatusACTIVE
Body StyleRECTANGULAR
Precious MaterialRHODIUM
Surface TreatmentRHODIUM CASE
Precious Material and LocationCASE SURFACE RHODIUM
Mounting Facility Quantity2
Body Length5.000 INCHES MAXIMUM IN
Individual Section Quantity1
Coating MethodPLATED CASE
Operating Temp Range-40.0 TO 71.0 CELSIUS DEGC
Body Width4.000 INCHES MAXIMUM IN
Signal Delay MethodLUMPED CONSTANT
Terminal Type and Quantity1 CONNECTOR PLUG
Section Delay Time25.000 MICROSECONDS NOMINAL SINGLE SECTION US
Frequency Bandwidth700.0 KILOHERTZ NOMINAL
Mounting FacilityUNTHREADED HOLE(S)
Attenuation in Decibels6.000
Body Depth0.912 INCHES MAXIMUM IN
Output Impedance Rating180.000 OHMS
Input Impedance Rating180.000 OHMS
Hole Diameter0.109 INCHES NOMINAL IN
Delay Time Variation MethodTAPPED
MaterialCOPPER CASE
Body StyleRECTANGULAR
Precious MaterialRHODIUM
Surface TreatmentRHODIUM CASE
Precious Material and LocationCASE SURFACE RHODIUM
Mounting Facility Quantity2
Body Length5.000 INCHES MAXIMUM IN
Individual Section Quantity1
Coating MethodPLATED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 12
6625-01-469-6360543-1 SUCCESSOR
Generator,signal
Astronics Advanced Electronic Systems Corp. Dba Astronics Advanced Electronic Systems
5310-00-010-33470911116-2 INTERCHANGEABLE
Washer,flat
Agco Corp Parts Opn
5315-00-010-77610904746-5 INTERCHANGEABLE
Pin,cotter
Agco Corp Parts Opn
6130-00-202-2509D12-03 INTERCHANGEABLE
Power Supply
Acopian Technical Company
5815-00-228-6698SC-C-39992-25 INTERCHANGEABLE
Bar,connecting,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4520-00-327-212528031-002 INTERCHANGEABLE
Heating Element,electrical,nonim
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
2805-00-360-7455 INTERCHANGEABLE
Plate,lock,sprocket Capscrew
5306-00-362-2085851009 INTERCHANGEABLE
Bolt,connecting Rod
Dana Off Highway Products, Llc
2810-00-386-44425042J3 INTERCHANGEABLE
Bushing,oil Sump to
Curtiss-Wright Controls, Inc. Div Actuation Division
4210-00-424-300750046 INTERCHANGEABLE
Wire-Seal
Kidde-Fenwal, Llc
Cross-Reference Index
Part NumberManufacturer
D1203 Computer Devices Corp (USA)
54-33 Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil (USA)
50046 Aladdin Industries Inc (USA)
54-31 PRIMARY Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil (USA)
134177 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
6625-01-469-6360SUCCESSOR
GENERATOR,SIGNAL
543-1
5310-00-010-3347INTERCHANGEABLE
WASHER,FLAT
0911116-2
5315-00-010-7761INTERCHANGEABLE
PIN,COTTER
0904746-5
6130-00-202-2509INTERCHANGEABLE
POWER SUPPLY
D12-03
5815-00-228-6698INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
SC-C-39992-25
4520-00-327-2125INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
28031-002
2805-00-360-7455INTERCHANGEABLE
PLATE,LOCK,SPROCKET CAPSCREW
5306-00-362-2085INTERCHANGEABLE
BOLT,CONNECTING ROD
851009
2810-00-386-4442INTERCHANGEABLE
BUSHING,OIL SUMP TO
5042J3
4210-00-424-3007INTERCHANGEABLE
WIRE-SEAL
50046
7910-00-550-9111INTERCHANGEABLE
CLEANER,VACUUM,ELECTRIC
110776A
4820-00-606-8214INTERCHANGEABLE
VALVE,SAFETY RELIEF
B2010918

Frequently Asked Questions

What is NSN 5999-00-054-4562?

NSN 5999-00-054-4562 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 5999-00-054-4562?

NSN 5999-00-054-4562 has 5 cross-referenced part numbers: D1203 (Computer Devices Corp), 54-33 (Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil), 50046 (Aladdin Industries Inc), 54-31 (Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil), 134177 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5999-00-054-4562?

There are 12 known substitutes for 5999-00-054-4562: 6625-01-469-6360, 5310-00-010-3347, 5315-00-010-7761 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54-31?

Key specifications for 54-31: Body Style: RECTANGULAR; Precious Material: RHODIUM; Surface Treatment: RHODIUM CASE; Precious Material and Location: CASE SURFACE RHODIUM. 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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