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Datasheet. 340257-6 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a all ends
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
2.620in. and 2.645in. ⁓2-21/32"
The means by which mechanical action completely engages or disengages a mating quick disconnect part.
TWIST-Lock all ends
The number of bolt holes provided on the item.
6
The style designation indicating the configuration that most nearly corresponds to the basic appearance of the item.
3 round first quick disconnect end
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
flared all ends
A measurement of the longest dimension of the leg,in distinction from width.
1.125in.
Indicates the type of connection/s/.
internal quick disconnect all ends
Indicates the type of connection/s/.
threaded external tube first fluid end connection
Those features,not otherwise specified,which may be required for proper functioning of the item.
SELF-Sealing
A designation that is used for the purpose of general identification of the thread.
0.562in. all ends ⁓9/16"
Indicates the location of the mounting flange on the item.
second leg
The angle of the end surface upon which the mated surface seats.
37.0 degrees
The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.
1.605in.
A nominal measurement of the smallest dimension of an item,in distinction from length or width.
0.050in.
The nominal length of a straight line which passes through the center of the bolt hole,and terminates at the circumference.
0.201in.
The nominal length of a straight line which passes through the center of the bolt circle,and terminates at the circumference.
1.687in.
The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
0.375in. all ends
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum alloy body
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 body
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 body
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
MIL-A-8625 mil spec single treatment response body
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
male coupling half
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
Male coupling half
Aluminum alloy body
6
3a all ends
Schedule B number: 7609000000
nmfc 052190
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 4730-00-438-5281 COUPLING HALF,QUICK DISCONNECT
unf all ends thread series male coupling half anodize body surface treated 6 bolt hole quantity 2.620" overall length 3a all ends thread class
- NIIN
- 004385281
- NIIN Date
- 12/03/69
- Schedule B
- 7609000000
- Name Code
- 18681
- FIIG
- A531T0
- QUP
- 1
- Historical Price
- $235.70 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
Major End Users Countries and entities
- - Department of The Air Force
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- 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)
- 50.0
- 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
- Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft
- Commodity (for shipments via water)
- Metal and metal products, nos, (less than 35 feet)
- NMFC (national motor freight code)
- 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
- UFC (universal freight code)
- 30000
Similar by Design Other coupling halfs with similar characteristics
Nothing similar to this part number was found in our inventory
340257-6 / Coupling half,quick disconnectWhat is the formal definition of this item?
A fluid line fitting having a pipe, tube or hose connection or a through hole to accommodate a bolt, fluid passage on one end. the other end must have an internal or external quick disconnect feature for connecting a mating part to form a quick disconnect coupling assembly. the fitting may incorporate a self-sealing feature for the purpose of automatically shutting off the flow of fluid when disconnected from its mating half. for self-sealing fittings with an external or internal threaded disconnect end, see coupling half, self-sealing. see also, connector, multiple, fluid pressure line.
