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Cross Reference

These part numbers have the same form, fit, and function as mil-t-551644
Item Number Cage
40TB21 81349
A-A-59125/4 58536
MIL-T-55164/4 81349

Technical Definition

Terminal Board, also referenced with federal logistics item name code 00404 - An item consisting of insulating material, which is specifically designed to have fastened thereon, or on which are fastened terminal(s), such as screws, solder lugs, solder studs, solderless connectors, clips, and the like. it is usually used for junctions or terminations of wire or cable assemblies. it does not include items as defined above with parts, such as resistors and capacitors mounted thereon. do not use if a more specific name exists, such as fuseholder; holder, resistor; fanning strip; contact assembly, electrical; jack assembly, tip; chamber, cable terminal; panel (2) (as modified); connector (as modified). excludes terminal, stud; terminal, feedthru, insulated; post, binding, electrical; and chassis, electrical-electronic equipment. for items having printed electrical conductor paths, see printed wiring board.

Q & A

Part number MILT551644
What are the historical prices for part number MIL-T-551644?
No pre-dated pricing for this NSN could be found.
Does this part number MIL-T-551644 have a shelf life?
No. There is no shelf life applicable for this part.
Does this part number MIL-T-551644 require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is part number MIL-T-551644 ITAR controlled?
No. This item is not ITAR Controlled.
What is the NSN for part number MIL-T-551644?
Who are the manufacturers of MIL-T-551644 and NSN 5940-00-983-6081?
  • Military Specifications (CAGE 81349)
  • Federal Commercial Item Description (CAGE 58536)


Description: Terminal Board
Part Number MIL-T-551644 MIL T 551644


plastic diallyl phthalate board and glass fiber board

AAMA Mounting Hole Diameter
0.171 inches
AAPB Dielectric Withstanding Voltage In Volts
AAQL Body Style
Barrier type
ABCS Terminal Row Quantity
ABCT Center To Center Distance Between Terminals
0.375 inches
ABCU Distance Between Terminal Row Centers
0.312 inches
ABCX Board Construction
Hollow construction without insulated strip
ABDU Center To Center Distance Between Mounting Facilities Parallel To Length
8.281 inches
ABDV Center To Center Distance Between Mounting Facilities Parallel To Width
0.312 inches
ABDW Distance From Bottom Edge Of Terminal Board To Center Of Mounting Hole
0.282 inches
ABDX Distance From Left Edge Of Terminal Board To Center Of First Mounting Facility
0.141 inches
ABGN Board Overall Length
8.578 inches
ABGP Board Overall Width
0.875 inches
ABGQ Board Overall Height
0.922 inches
ABGR Board Height Excluding Terminals
0.484 inches
ABGS Base Thickness
0.328 inches
AMPS Current Rating In Amps
AXHR Mounting Facility Type And Quantity
4 unthreaded hole
CQCW Feedthru Connection End Type
857 fourth combination both ends
CQCW Feedthru Connection End Type
F4 15th material response both ends
CQCZ Terminal Connecting Link Quantity
21 single
CRZR Feedthru Terminal Quantity
21 single combination
CSCR Terminal Connecting Link Type
1 single
CWLG Terminal Pattern Arrangement
Single row
CWLN Terminal Design
MATT Material
Plastic diallyl phthalate board and glass fiber board
MDCL Material Spec
Mil-p-19833,type gdi-30f mil spec single material response board
SFTT Surface Treatment
Nickel terminals and tin terminals
STDC Surface Treatment Spec
Qq-n-290,class 1,type 8 fed spec 1st treatment response terminals
National Stock Number (NSN): 5940-00-983-6081