MS21902-2

MS219022 Boss Nipple

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Datasheet. MS21902-2 specification

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

3a all ends

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

-65.0 deg fahrenheit 2nd response

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

225.0 deg fahrenheit 1st response

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

2350-01-031-8851

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

external seat for gasket seal (boss) all ends

Connection Type
Indicates the type of connection/s/.

threaded external boss all ends

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

0.312in. all ends ⁓5/16"

Reduced Passage Nominal Inside Diameter
The nominal length of a straight line which passes through the center of the reduced passage,and terminates at the inside circumference.

0.062in. all ends

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

1.062in.

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

steel comp 1137 or steel comp 1141

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.

66, aisi/sae 1137 or 1141 fed std single material response

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

air 2nd response

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

hydraulic fluid 1st response

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

oxygen, gaseous 3rd 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.

cadmium and chromate

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.

QQ-P-416, ty 2, cl 1 fed spec 1st treatment response

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

flareless (tube)

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 all ends

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

96906-MS21902 government standard

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unjf all ends

What is the style?

Flareless (tube)

What material is the boss nipple made of ?

Steel comp 1137 or steel comp 1141

What is the thread class?

3a all ends

What is the NSN for MS21902-2?

4730-00-203-7490

How is this classified for shipping?

Schedule B number: 7307994000
nmfc 052190
Other fittings nesoi of alloy steel not stainless

What's the federal classification of MS21902-2?

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 4730-00-203-7490 NIPPLE,BOSS

Used on 2350-01-031-8851. unjf all ends thread series flareless (tube) cadmium surface treated 3a all ends thread class

NIIN
002037490
NIIN Date
01/01/63
Schedule B
7307994000 
Name Code
26952
FIIG
A080B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$13.85 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 Navy 
  • - Department of The Army 
  • - U.s. Marine Corps 
  • - Department of The Air Force 
  • - Austria 
  • - Poland 
  • - Spain 
  • - Israel 
  • - Singapore 
  • - Malaysia 
  • - Belgium 
  • - Canada 
  • - Republic of Korea 
  • - Netherlands 
  • - Portugal 
  • - Italy 
  • - Denmark 
  • - 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)
052190 PIPE,TUBING,OR PIPE OR TUBING FITTI 
UFC (universal freight code)
30000 

Similar by Design Other nipples with similar characteristics

Nothing similar to this part number was found in our inventory

MS21902-2 / Nipple,bossWhat is the formal definition of this item?

A straight, one-piece fitting used to join two bosses or boss fittings. both ends are the same size and have external machine threads (straignt threads other than pipe or hose series). it is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. the center section may be suitably shaped to accommodate a wrench.