M444B

M444B Telephone Jack

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Datasheet. M444B specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2a

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

Electrical Insulation Feature
The feature consisting of sleeves,covering,caps,mounting bushings and the like,used to electrically insulate an item.

insulated completely

Body Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.

threaded bushing mounted long frame

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

3.063in. ⁓3-5/64"

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

1.125in.

Mounting Hole Diameter
The length of a straight line which passes through the center of a mounting hole,and terminates at the circumference.

0.156 in.

Mounting Bushing Length

0.375in.

Body Width
A measurement taken at right angles to the length of the body,in distinction from thickness.

0.563in.

Bushing Accommodation Hole Shape
The physical configuration of the hole designed to accommodate a bushing.

round

Accommodated Finger Type
Indicates the type of finger/s/ accommodated by the item.

three conductor, slender spherical tip single finger

Finger Accommodation Diameter
The length of a straight line which passes through the center of the accommodation for the finger, and terminates at the circumference.

0.025in. single finger

Finger Accommodation Length

1.015in. single finger

Bushing Thru-hole Accommodation Diameter

0.375in.

Jack Contact Arrangement Designator
A designation of the description of the relative position of the contacts in relationship to each other and to the body.

J7

Mounting Facility Type And Quantity
Indicates the type and number of facilities by which the item is mounted.

1 bushing and 1 unthreaded hole

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.375in. ⁓3/8"

Terminal Type
Indicates the type of terminal for providing electrical connection to the item.

tab, solder lug

Material
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.

any acceptable terminal

Material
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.

brass bushing

Material
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.

brass body

Material
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.

nickel alloy spring

Material
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.

plastic, phenolic insulator

Material
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.

silver contact

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

copper alloy body

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

copper alloy bushing

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

nickel alloy spring

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

plastic phenolic insulator

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

silver contact

Precious Material
Identification of the precious material contained in the item.

silver

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

tin terminal

Surface Treatment
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.

tin terminal

Answers.

What quantity is this sold in?

1EA

What material is the telephone jack made of ?

Silver contact

What material is the telephone jack made of ?

Plastic phenolic insulator

What material is the telephone jack made of ?

Nickel alloy spring

What material is the telephone jack made of ?

Copper alloy bushing

What material is the telephone jack made of ?

Copper alloy body

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for M444B?

5935-00-782-6904

How is this classified for shipping?

Schedule B number: 8517700000
nmfc 063300
Parts for apparatus for transmission or reception of voice, images or other data, including apparatus for communication in a wir

What's the federal classification of M444B?

FSC 5935 ⁓ Connectors, electrical

Excluding interconnectors, fiber optic

NSN 5935-00-782-6904 JACK,TELEPHONE

tin terminal surface treated 3.063" overall length right-hand 2a thread class

NIIN
007826904
NIIN Date
12/11/65
Schedule B
8517700000 
Name Code
00124
FIIG
A03400
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$46.85 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Air Force 
  • - Germany 
  • - Italy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Electrical appliances, small 
NMFC (national motor freight code)
063300 TELEPHONE TELEPHONE PART ARTICLE 
UFC (universal freight code)
35290 

Similar by Design Other jacks with similar characteristics

Nothing similar to this part number was found in our inventory

M444B / Jack,telephoneWhat is the formal definition of this item?

A contact spring type electrical fitting of two or more conductors, which is arranged for the insertion of a plug, telephone. one conductor may be grounded. does not include separable telephone jacks which are termed, jack assembly, telephone. excludes jack, tip.