2025-4-4B

202544B Pipe To Tube Elbow

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Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
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AS9120 Certified by SAI Global

Datasheet. 2025-4-4B specification

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

2a 1st end

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

flared (tube) 1st end

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

plain (pipe) 2nd end

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

1.219in. 1st end

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

0.875in. 2nd end

Connection Type
Indicates the type of connection/s/.

threaded external tube 1st end

Connection Type
Indicates the type of connection/s/.

threaded internal pipe 2nd end

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

0.250in. 2nd end ⁓2-1/64"

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

0.438in. 1st end ⁓1/64"

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

37.0 degrees 1st end

Flow Angle
The angle that the flow is turned from the straight flow.

90.0 degrees

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. 1st end

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

end item: grumman A-10 aircraft

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

copper alloy 377

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-B-626, comp 21 fed spec single material response

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.

nptf 2nd end

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.

unf 1st end

Furnished Items And Quantity
The name and number of those parts furnished with the item of supply that have not been specified elsewhere.

1 tube coupling nut w/sleeve

Specification/standard Data
The document designator of the specification or standard which established the item of supply.

81343-J514 professional/industrial association standard

Nondefinitive Spec/std Data
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.

5a figure

Answers.

What class is the thread series?

Unf 1st end

What class is the thread series?

Nptf 2nd end

What material is the pipe to tube elbow made of ?

Copper alloy 377

What is the thread class?

2a 1st end

What is the NSN for 2025-4-4B?

4730-00-277-7939

How is this classified for shipping?

Schedule B number: 7412200000
nmfc 052185
Copper alloy tube or pipe fittings

What's the federal classification of 2025-4-4B?

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 4730-00-277-7939 ELBOW,PIPE TO TUBE

unf 1st end thread series end item: grumman a-10 aircraft 2a 1st end thread class

NIIN
002777939
NIIN Date
01/01/61
Schedule B
7412200000 
Name Code
03770
FIIG
A080B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$9.63 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

1. 11241389 Cage 17773
2. 4-4DTXB Cage 45681
3. 4-4DTXB Cage 98441
4. 5450X4X4 Cage 79470
5. J514 Cage 81343
6. 4-4 070203B Cage 81343
7. 4-4DBTX-B Cage 30780
8. 4-4070203BA Cage 81343
9. KB52-538-10PC55 Cage 04220
10. KF52-743-100PC159 Cage 04220
11. KB51-440-179ITEM440 Cage 04220
12. 1JH3478ITEM13 Cage 79500
13. 4-4DBTX-B Cage 98441
14. D4585-12-29 Cage 89074
15. 2200-3167143PC159 Cage 80064
16. 2200-3167143PC159 Cage 80064
17. 2200-3167143PC159 Cage 80064
18. 11241389 Cage 17773
19. 4-4DTXB Cage 45681
20. 4-4DTXB Cage 98441
21. 5450X4X4 Cage 79470
22. J514 Cage 81343
23. 4-4 070203B Cage 81343
24. 4-4DBTX-B Cage 30780
25. 4-4070203BA Cage 81343
26. D4585-12-29 Cage 89074
27. KB51-440-179ITEM440 Cage 04220
28. KB52-538-10PC55 Cage 04220
29. KF52-743-100PC159 Cage 04220
30. 1JH3478ITEM13 Cage 79500
31. 4-4DBTX-B Cage 98441
32. 2200-3167143PC159 Cage 80064
33. 11241389 Cage 17773
34. 4-4DTXB Cage 45681
35. 4-4DTXB Cage 98441
36. 5450X4X4 Cage 79470
37. J514 Cage 81343
38. 4-4 070203B Cage 81343
39. 4-4DBTX-B Cage 30780
40. 4-4070203BA Cage 81343
41. D4585-12-29 Cage 89074
42. KB51-440-179ITEM440 Cage 04220
43. KB52-538-10PC55 Cage 04220
44. KF52-743-100PC159 Cage 04220
45. 4-4DBTX-B Cage 98441
46. 1JH3478ITEM13 Cage 79500
47. 2200-3167143PC159 Cage 80064

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Navy 
  • - Department of The Air Force 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Thailand 
  • - Australia 
  • - Canada 
  • - New Zealand 
  • - Italy 
  • - Greece 

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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)
Metal and metal products, nos, (less than 35 feet) 
NMFC (national motor freight code)
052185 PIPE,TUBING,OR PIPE OR TUBING FIT 
UFC (universal freight code)
29950 

Similar by Design Other elbows with similar characteristics

Nothing similar to this part number was found in our inventory

2025-4-4B / Elbow,pipe to tubeWhat is the formal definition of this item?

A fitting that forms an angle of less than 180 degrees (3.142 radians) from the straight flow. one connecting end has standard pipe threads, or is unthreaded and designed to accommodate a pipe. the other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. it may have side or heel inlet(s). see also elbow, pipe; elbow, tube; and connector, multiple, fluid pressure line.