155-4D

1554D Quick Disconne Coupling Assembly
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Datasheet. 155-4D specification

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

3a first fluid end connection

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

3.460in. ⁓3-15/32"

Second Leg Length
A measurement of the longest dimension of the second leg, in distinction from width.

0.546in.

Quick Disconnect Method
The means by which mechanical action completely engages or disengages a mating quick disconnect part.

quick lead thread all ends

Mounting Flange Shape Style (non-core)
The style designation indicating the configuration that most nearly corresponds to the shape of the mounting flange.

Mounting Flange Outside Diameter
The length of a straight line which passes through the center of a mounting flange,and terminates at the outside circumference.

1.812in.

Mounting Flange Bolt Hole Quantity
The number of bolt holes in the mounting flange.

6

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

0.201in.

Mounting Flange Bolt Circle Diameter
The length of a straight line which passes through the center of a mounting flange bolt circle,and terminates at the circumference.

1.437in.

Distance From Mounting Flange To Fluid End
The distance from the bearing surface of the flange to the end of the leg portion of the item.

1.109in.

Maximum Operating Temp
The maximum temperature at which the item is rated to operate for an extended period of time.

54.0 deg celsius single response

Maximum Operating Temp
The maximum temperature at which the item is rated to operate for an extended period of time.

71.1 deg celsius 1st response

Connection Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.

flared first fluid end connection

Leg Length
A measurement of the longest dimension of the leg,in distinction from width.

0.906in.

Connection Type
Indicates the type of connection/s/.

threaded external tube first fluid end connection

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

SELF-Sealing

Second End Relationship With First End
Indicates whether or not the second end is identical to the first end.

identical

Maximum Operating Pressure And Media For Which Designed
The maximum pressure at which an item is rated to operate for each type of service with which an item may be used.

3000.0 pounds per square inch hydraulic fluid, petroleum base

Maximum Operating Pressure
The maximum pressure at which the item is rated for operation.

3000.0 pounds per square inch single response

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

0.438in. first fluid end connection ⁓29/64"

Mounting Flange Location
Indicates the location of the mounting flange on the item.

first leg

Seat Angle
The angle of the end surface upon which the mated surface seats.

37.0 degrees

Maximum Operating Temp And Media For Which Designed
A rating which expresses the degree of heat or cold as applied to the operation,or limitation of operation,for each type of service with which an item may be used.

Nominal Outside Diameter Tube Accommodated
The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.

0.250in. first fluid end connection

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

aluminum alloy

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.

anodize

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

coupling assembly

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unjf first fluid end connection

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unjf first fluid end connection

What is the style?

Coupling assembly

What material is the quick disconne coupling assembly made of ?

Aluminum alloy

What is the thread class?

3a first fluid end connection

What is the NSN for 155-4D?

4730-00-433-2582

How is this classified for shipping?

Schedule B number: 7609000000
nmfc 051420
Aluminum tube or pipe fittings (couplings,elbows sleeves)

What's the federal classification of 155-4D?

FSC 4730 ⁓ Hose, pipe, tube, lubrication, and railing fittings

Excluding air conditioning-heating fittings (fsc 4520); bituminized fiber and concrete fittings (fsc 5630); conduit boxes and fittings (fsc 5975); downspout fittings (fsc 5670); medical and surgical fittings (fsc 6515); laboratory fittings (fsc 6640); post caps and rail ends (fsc 5660); machine thread bushings and plugs (fsc 5365).

NSN 4730-00-433-2582 COUPLING ASSEMBLY,QUICK DISCONNE

unjf first fluid end connection thread series coupling assembly anodize surface treated 3.460" overall length 3a first fluid end connection thread class

NIIN
004332582
NIIN Date
01/01/63
Schedule B
7609000000 
Name Code
20671
FIIG
A531S0
Item Weight
0.300lbs
Item Dimensions
--
QUP
1 
Historical Price
$972.83 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Navy 
  • - Department of The Air Force 
  • - Spain 
  • - Germany 
  • - Republic of Korea 
  • - Greece 
  • - Turkey 

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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
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Plumbing supplies 
NMFC (national motor freight code)
051420 CONDUITS,O/T EARTHEN:PIPE FITTINGS 
UFC (universal freight code)
29090 

Similar by Design Other coupling assemblys with similar characteristics

Nothing similar to this part number was found in our inventory

155-4D / Coupling assembly,quick disconneWhat is the formal definition of this item?

A multipiece fluid line fitting consisting of two coupling half, quick disconnect fittings.