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Datasheet. AS21916 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a all ends
Refers to the location of the ends whether on the same centerline (concentric) or on different centerlines (eccentric).
concentric
The national stock number or the identification information of the end equipment for which the item is a part.
used on boeing vertol cargo transport helicopter, model CH-47 (chinook)
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
external seat for gasket seal (boss) all ends
Indicates the type of connection/s/.
threaded external boss all ends
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
12 1st end
A designation that is used for the purpose of general identification of the thread.
0.750in. 2nd end ⁓2-1/64"
A designation that is used for the purpose of general identification of the thread.
1.062in. 1st end ⁓1/64"
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
feat
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.625in.
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.
weapon system essential
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, T6 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.
anodize
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unj 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.
unjf 2nd end
The document designator of the specification or standard which established the item of supply.
96906-MS21916 government standard
Answers.
1EA
Unjf 2nd end
Unj 1st end
Aluminum alloy 2024
12 1st end
3a all ends
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 4730-00-640-5042 REDUCER,BOSS
Used on boeing vertol cargo transport helicopter, model ch-47 (chinook). unjf 2nd end thread series anodize surface treated weapon system essential 12 1st end thread quantity per inch 3a all ends thread class
- NIIN
- 006405042
- NIIN Date
- 01/01/61
- Schedule B
- 7609000000
- Name Code
- 23541
- FIIG
- A080B0
- Item Weight
- 1.200lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $22.28 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. | MS21916D12-8 | Cage 81343 |
| 2. | MS21916D12-8 | Cage 96906 |
| 3. | ER919D12-8 | Cage 79470 |
Major End Users Countries and entities
- - Brazil
- - Spain
- - Singapore
- - Malaysia
- - Australia
- - Belgium
- - Canada
- - New Zealand
- - France
- - Germany
- - Republic of Korea
- - United Kingdom
- - Italy
- - Denmark
- - Norway
- - Greece
- - Turkey
Availability for AS21916 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 reducers with similar characteristics
Nothing similar to this part number was found in our inventory
AS21916 / Reducer,bossWhat is the formal definition of this item?
A straight fitting having a boss connection of a different size at each end. both connections have external 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. excludes bushing (as modified).
