78178R91

78178R91 Tube Reducer

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Datasheet. 78178R91 specification

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

2a 1st end

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

3a 2nd end

Reducer Type
Refers to the location of the ends whether on the same centerline (concentric) or on different centerlines (eccentric).

concentric

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

flareless (tube) 2nd end

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

inverted flare (tube) 1st end

Connection Type
Indicates the type of connection/s/.

threaded external tube 2nd end

Connection Type
Indicates the type of connection/s/.

threaded internal tube 1st end

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

20 1st end

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

24 2nd end

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

0.438in. 2nd end ⁓2-1/64"

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

0.500in. 1st end ⁓1/64"

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

42.0 degrees 1st end

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.

0.312in. all ends

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

1.000in.

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

copper alloy

Media For Which Designed
The type of media for which the item is designed.

hydraulic fluid single 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.

uns all ends

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Uns all ends

What material is the tube reducer made of ?

Copper alloy

What is the thread quantity per inch?

24 2nd end

What is the thread quantity per inch?

20 1st end

What is the thread class?

3a 2nd end

What is the thread class?

2a 1st end

What is the NSN for 78178R91?

4730-00-317-3877

How is this classified for shipping?

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

What's the federal classification of 78178R91?

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 4730-00-317-3877 REDUCER,TUBE

uns all ends thread series 24 2nd end thread quantity per inch 3a 2nd end thread class

NIIN: 003173877
NIIN Date: 01/01/63
Schedule B: 7412200000
Name Code: 08506
FIIG: A080B0
QUP: 1
Historical Price: $4.05 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.	MC2951	Cage 66614
2.	2951	Cage 19239
3.	5473016	Cage 76462
4.	E2951	Cage 80724
5.	1123	Cage 06840
6.	C8HZ2140A	Cage 23040
7.	F57826	Cage 63477
8.	F2951D	Cage 63477
9.	174-136	Cage 76462
10.	MC2951	Cage 76761
11.	FC2951D	Cage 63477

Major End Users Countries and entities

- Israel
- Singapore

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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 reducers with similar characteristics

Nothing similar to this part number was found in our inventory

78178R91 / Reducer,tubeWhat is the formal definition of this item?

A straight tube fitting having a different size connection on each end. it is designed to join two tubes of different sizes. excludes bushing (as modified).