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Datasheet. A21657-1 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a 2nd 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.
plain (pipe) 1st end
Indicates the type of connection/s/.
threaded external boss 2nd end
Indicates the type of connection/s/.
threaded internal pipe 1st end
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
26 2nd end
A designation that is used for the purpose of general identification of the thread.
0.375in. 1st end ⁓1/64"
A designation that is used for the purpose of general identification of the thread.
0.937in. 2nd end ⁓2-1/64"
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
0.910in.
The chemical compound or mechanical mixture properties of which the item is fabricated.
copper alloy
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
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
npt 1st end
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.
1EA
Uns 2nd end
Npt 1st end
Copper alloy
26 2nd end
3a 2nd end
Schedule B number: 7412200000
nmfc 052185
Copper alloy tube or pipe fittings
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 4730-01-036-9487 ADAPTER,STRAIGHT,PIPE TO BOSS
uns 2nd end thread series cadmium surface treated 26 2nd end thread quantity per inch 3a 2nd end thread class
- NIIN
- 010369487
- NIIN Date
- 03/10/77
- Schedule B
- 7412200000
- Name Code
- 22674
- FIIG
- A080B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $92.90 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. | 21657 | Cage 08441 |
Major End Users Countries and entities
- - Department of The Navy
- - Spain
- - Malaysia
Availability for A21657-1 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)
- 052185 PIPE,TUBING,OR PIPE OR TUBING FIT
- UFC (universal freight code)
- 29950
Similar by Design Other adapters with similar characteristics
Nothing similar to this part number was found in our inventory
A21657-1 / Adapter,straight,pipe to bossWhat is the formal definition of this item?
An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. 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 pipe or pipe fitting to a boss or boss fitting in a straight line on items such as tanks, housing, valve fittings, or the like. see also adapter bushing and coupling, pipe.
