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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.
E-3A aircraft
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
A designation that is used for the purpose of general identification of the thread.
0.437in. 2nd end ⁓2-1/64"
A designation that is used for the purpose of general identification of the thread.
0.562in. 1st end ⁓1/64"
The angle of the end surface upon which the mated surface seats.
12.0 degrees all ends
The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
0.250in. 2nd end
The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
0.375in. 1st end
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
1.219in.
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
reducer, external thread, flareless tube
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.
material corrosion resistant steel (15-5Ph) with cadmium plating; universal ends (tube or boss)
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel corrosion resisting
The type of media for which the item is designed.
hydraulic fluid single 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.
cadmium
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-P-416, type 2, class 2 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.
unjf all ends
The document designator of the specification or standard which established the item of supply.
31343 - AS21916 professional/industrial association standard
Answers.
1EA
Unjf all ends
Steel corrosion resisting
3a all ends
Schedule B number: 7307992000
nmfc 051420
Other fittings nesoi of iron or nonalloy steel
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 4730-01-534-8659 REDUCER,BOSS
Used on e-3a aircraft. unjf all ends thread series cadmium surface treated material corrosion resistant steel (15-5ph) with cadmium plating; universal ends (tube or boss) reducer, external thread, flareless tube 3a all ends thread class
- NIIN
- 015348659
- NIIN Date
- 11/04/05
- Schedule B
- 7307992000
- Name Code
- 23541
- FIIG
- A080B0
- Item Weight
- 0.200lbs
- Item Dimensions
- 40
- QUP
- 1
- Historical Price
- $28.83 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. | AS18280 | Cage 81343 |
| 2. | MS21916V6-4P | Cage 81343 |
Major End Users Countries and entities
- - Department of The Navy
- - Department of The Army
- - U.s. Marine Corps
- - Department of The Air Force
- - Brazil
- - Spain
- - Belgium
- - Netherlands
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)
- 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)
- Plumbing supplies
- NMFC (national motor freight code)
- 051420 CONDUITS,O/T EARTHEN:PIPE FITTINGS
- UFC (universal freight code)
- 29090
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).
