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Datasheet. AS21900 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a all ends
The maximum temperature at which the item is rated to operate for an extended period of time.
135.0 deg celsius single response
The national stock number or the identification information of the end equipment for which the item is a part.
aircraft application
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
external seat for gasket seal (boss) 2nd end
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
flared w/ gasket seal (boss) 1st end
Indicates the type of connection/s/.
threaded external boss 1st end
The maximum pressure at which the item is rated for operation.
3000.0 pounds per square inch single response
A designation that is used for the purpose of general identification of the thread.
0.500in. all ends ⁓1/2"
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.156in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 304
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-S-763 fed spec single material response
The type of media for which the item is designed.
chemical single response
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.
passivate
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-F-14072, E300, ty 2 mil spec single treatment response outside
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-S-5002 mil spec single treatment response inside
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
flared and flareless w/ center wrenching facility
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
The document designator of the specification or standard which established the item of supply.
81343-AS21900 government standard
Answers.
1EA
Unjf all ends
Flared and flareless w/ center wrenching facility
Steel comp 304
3a all ends
Schedule B number: 7307994000
nmfc 052190
Other fittings nesoi of alloy steel not stainless
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 4730-00-080-3731 NIPPLE,BOSS
Used on aircraft application. unjf all ends thread series flared passivate surface treated 3a all ends thread class
- NIIN
- 000803731
- NIIN Date
- 01/01/63
- Schedule B
- 7307994000
- Name Code
- 26952
- FIIG
- A080B0
- Item Weight
- 0.100lbs
- Item Dimensions
- QUP
- 1
- Historical Price
- $23.43 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. | AS18280 | Cage 81343 |
| 2. | MS21900J5 | Cage 00624 |
| 3. | MS21900J5 | Cage 81343 |
| 4. | MS21900J5 | Cage 96906 |
Major End Users Countries and entities
- - Department of The Army
- - Department of The Navy
- - Department of The Air Force
- - Australia
- - New Zealand
- - Republic of Korea
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- 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
AS21900 / 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.
