AS21900B

AS21900B Boss Nipple

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Datasheet. AS21900B specification

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

3a all ends

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

aircraft application

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.

flared w/ gasket seal (boss) 1st end

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.

0.500in. all ends ⁓1/2"

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

1.156in.

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

aluminum alloy 2024

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-225/6, T6 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.

anodize

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-A-8625 mil spec single treatment response inside

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-A-8625 mil spec single treatment response outside

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

flared and flareless w/ center wrenching facility

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-MS21900 government standard and 81349-MIL-F-18280 government specification

Answers.

When was the most recent contract awarded?

On 12/15/2014 under contract SPE7MC15M1938 for qty 69

What quantity is this sold in?

1EA

What class is the thread series?

Unjf all ends

What is the style?

Flared and flareless w/ center wrenching facility

What material is the boss nipple made of ?

Aluminum alloy 2024

What is the thread class?

3a all ends

What is the NSN for AS21900B?

4730-00-602-9268

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 AS21900B?

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 4730-00-602-9268 NIPPLE,BOSS

Used on aircraft application. unjf all ends thread series flared anodize surface treated 3a all ends thread class

NIIN
006029268
NIIN Date
01/01/61
Schedule B
7609000000 
Name Code
26952
FIIG
A080B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$22.55 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. AS18280B Cage 81343
2. MS21900D5 Cage 81343
3. MS21900D5 Cage 96906
4. MIL-F-18280 Cage 81349
5. MS21900W5 Cage 81343

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Air Force 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Israel 
  • - Singapore 
  • - Malaysia 
  • - Australia 
  • - Canada 
  • - New Zealand 
  • - France 
  • - Germany 
  • - United Kingdom 
  • - Netherlands 
  • - Denmark 
  • - Greece 
  • - Turkey 

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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 nipples with similar characteristics

Nothing similar to this part number was found in our inventory

AS21900B / 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.