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Datasheet. 21789-2 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a 2nd end
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2b 1st end
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.
gasket seal (boss) 1st end
A measurement of the longest dimension of the leg,in distinction from width.
0.683in. 1st end
A measurement of the longest dimension of the leg,in distinction from width.
0.893in. 2nd end
Indicates the type of connection/s/.
threaded external boss 2nd end
Indicates the type of connection/s/.
threaded internal boss 1st end
A designation that is used for the purpose of general identification of the thread.
0.250in. 1st end ⁓1/64"
A designation that is used for the purpose of general identification of the thread.
0.625in. 2nd end ⁓2-1/64"
The angle that the flow is turned from the straight flow.
90.0 degrees
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 303
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-S-769, type 303se, condition a fed spec single material 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.
11-P-35 fed spec single treatment response
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf all ends
Answers.
1EA
Unf all ends
Steel comp 303
2b 1st end
2a 2nd end
Schedule B number: 7307929000
nmfc 052190
Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes
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 4730-00-201-4705 ELBOW,BOSS
unf all ends thread series passivate surface treated 2b 1st end thread class
- NIIN
- 002014705
- NIIN Date
- 03/31/73
- Schedule B
- 7307929000
- Name Code
- 22676
- FIIG
- A080B0
- Item Weight
- 0.100lbs
- Item Dimensions
- 40 X 40 X 10
- QUP
- 1
- Historical Price
- $230.60 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. | A51K9035-17 | Cage 26512 |
| 2. | 90C0001 | Cage 0BUJ0 |
| 3. | MSS21789-2 | Cage 62727 |
Major End Users Countries and entities
- - Department of The Navy
- - Spain
Availability for 21789-2 A member of our team will provide you with a price and availability quote
Request a Quote »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 elbows with similar characteristics
Nothing similar to this part number was found in our inventory
21789-2 / Elbow,bossWhat is the formal definition of this item?
A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. the boss connections have external and/or internal machine threads (straight threads other than pipe or hose series), and are designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. it may have side or heel inlet(s). it is designed to join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. excludes elbow, tube.
