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Datasheet. 77556-1 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3b 2nd end
The number of bolt holes provided on the item.
4 1st end
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
gasket seal (boss) 2nd end
A nominal measurement taken at right angles to the length of an item,in distinction from thickness.
1.024in. 1st end
A nominal measurement of the longest dimension of an item,in distinction from width.
1.024in. 1st end
The physical configuration of the flange.
rectangular with holes 1st end
Indicates the type of connection/s/.
flange 1st end
Indicates the type of connection/s/.
threaded internal boss 2nd end
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
12 2nd end
A designation that is used for the purpose of general identification of the thread.
0.875in. 2nd end ⁓2-1/64"
The nominal length of a straight line which passes through the center of the bolt hole,and terminates at the circumference.
0.112in. 1st end
The center to center nominal distance between bolt holes along the length of an item.
0.812in. 1st end
The center to center nominal distance between bolt holes along the width of an item.
0.812in. 1st end
The design of the flange face.
plain 1st end
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
flange holes threaded 4-4OUNC-2B 0.25 full thd
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum alloy 2024
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 fed spec single material 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.
un 2nd end
Answers.
1EA
Un 2nd end
Aluminum alloy 2024
12 2nd end
4 1st end
3b 2nd end
Schedule B number: 7609000000
nmfc 051400
Aluminum tube or pipe fittings (couplings,elbows sleeves)
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 4730-01-044-5284 ADAPTER,STRAIGHT,FLANGE TO BOSS
un 2nd end thread series flange holes threaded 4-4ounc-2b 0.25 full thd 12 2nd end thread quantity per inch 4 1st end bolt hole quantity 3b 2nd end thread class
- NIIN
- 010445284
- NIIN Date
- 07/15/77
- Schedule B
- 7609000000
- Name Code
- 29653
- FIIG
- A080B0
- QUP
- 1
- Historical Price
- $967.45 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. | 77556 | Cage 82340 |
| 2. | 77556 | Cage 82340 |
| 3. | 77556 | Cage 82340 |
Major End Users Countries and entities
- - Department of The Navy
Availability for 77556-1 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)
- 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 adapters with similar characteristics
Nothing similar to this part number was found in our inventory
77556-1 / Adapter,straight,flange to bossWhat is the formal definition of this item?
An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. 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 flange or flange fitting to boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like.
