S2178-50

S217850 Straight Hose To Boss Adapter

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Datasheet. S2178-50 specification

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

2a 2nd end

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

external seat for gasket seal (boss) 2nd end

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

socket (hose) 1st end

Connection Type
Indicates the type of connection/s/.

threaded external boss 2nd end

Connection Type
Indicates the type of connection/s/.

unthreaded internal hose 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.

18 2nd end

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

1.875in. 2nd end ⁓2-1/64"

Nominal Inside Diameter Hose Accommodated
The nominal length of a straight line which passes through the center of the accommodated hose,and terminates at the inside circumference.

0.500in. 1st end

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

0.922in. 1st end

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

1.000in.

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.

furnished with internal plastic split bushing

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

aluminum alloy

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-A-225 fed spec single material response or QQ-A-591 fed spec single material response

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.

nickel

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

MIL-C-26074, cl 3 or 4, gradeb mil spec single treatment 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 2nd end

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Uns 2nd end

What material is the straight hose to boss adapter made of ?

Aluminum alloy

What is the thread quantity per inch?

18 2nd end

What is the thread class?

2a 2nd end

What is the NSN for S2178-50?

4730-01-150-5409

How is this classified for shipping?

Schedule B number: 7609000000
nmfc 051400
Aluminum tube or pipe fittings (couplings,elbows sleeves)

What's the federal classification of S2178-50?

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 4730-01-150-5409 ADAPTER,STRAIGHT,HOSE TO BOSS

uns 2nd end thread series nickel surface treated furnished with internal plastic split bushing 18 2nd end thread quantity per inch 2a 2nd end thread class

NIIN
011505409
NIIN Date
04/06/83
Schedule B
7609000000 
Name Code
22673
FIIG
A080B0
Item Weight
0.100lbs
Item Dimensions
40
QUP
Historical Price
$47.70 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
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. 13142701-1 Cage 18876
2. 13142701 Cage 18876
3. 2178-50 Cage 07418

Major End Users Countries and entities

  • - Department of The Army 
  • - Portugal 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
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)
051400 PIPE FITTINGS ALUMINUM 
UFC (universal freight code)
29700 

Similar by Design Other adapters with similar characteristics

Nothing similar to this part number was found in our inventory

S2178-50 / Adapter,straight,hose to bossWhat is the formal definition of this item?

An adapter having standard hose threads on one end, an incomplete part of a threaded end connection that grips the hose directly, or an unthreaded end designed to accommodate a hose. the other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. it is designed to join a hose or hose fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. see also coupling, hose and connector, hose, bulkhead. excludes items having flanged ends.