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Datasheet. R27139 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a all ends
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 all ends
A designation that is used for the purpose of general identification of the thread.
0.375in. all ends ⁓3/8"
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.031in.
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 or zinc
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
rigid, 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.
unf all ends
Answers.
1EA
Unf all ends
Rigid, center wrenching facility
2a all ends
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 4730-01-236-7173 COUPLING,BOSS
unf all ends thread series rigid, center wrenching facility cadmium or zinc surface treated 2a all ends thread class
- NIIN
- 012367173
- NIIN Date
- 07/22/86
- Schedule B
- Name Code
- 26953
- FIIG
- A080B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $11.38 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
Major End Users Countries and entities
- - Department of The Army
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 70.0
- 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)
- 200630 ZINC:COUPLINGS/CONNECTIONS
- UFC (universal freight code)
- 98325
Similar by Design Other couplings with similar characteristics
Nothing similar to this part number was found in our inventory
R27139 / Coupling,bossWhat is the formal definition of this item?
A straight one-piece fitting 12 inches (304 mm) long or under having the same size fitting on each end (straight machine threads other than pipe or hose series). it may have internal threads on both ends or internal threads on one end and external threads on the other designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. it is designed to join two bosses or boss fittings. excludes items having external threaded connections on both ends.
