Quick Disconnect Coupling Half
LEC205D8
(NSN) National Stock Number
4730-00-078-2505
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
18681
Schedule B Code
7609000000
Summary
3a all ends thread class, 1.850 inches minimum and 1.900 inches maximum overall length, spring push-pull all ends quick disconnect method, 0.688 inches all ends quick disconnect nominal size, f-18 aircraft end item identification, flared all ends connection style
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | C |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | AC | - | ZZ |
Identification
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.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 18681 | A531T0 | - | 1 |
Specifications
Thread Class
3a all ends
Details
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.Overall Length
1.850 inches minimum and 1.900 inches maximum
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.Quick Disconnect Method
spring push-pull all ends
Details
The means by which mechanical action completely engages or disengages a mating quick disconnect part.Quick Disconnect Nominal Size
0.688 inches all ends
Details
The industrial designation or term for the size of the quick disconnect internal or external end.End Item Identification
f-18 aircraft
Details
The national stock number or the identification information of the end equipment for which the item is a part.Connection Style
flared all ends
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.Leg Length
0.642 inches minimum and 0.672 inches maximum
Details
A measurement of the longest dimension of the leg,in distinction from width.Connection Type
external quick disconnect all ends
Details
Indicates the type of connection/s/.Connection Type
threaded external tube first fluid end connection
Details
Indicates the type of connection/s/.Features Provided
self-sealing
Details
Those features,not otherwise specified,which may be required for proper functioning of the item.Nominal Thread Size
0.750 inches all ends
Details
A designation that is used for the purpose of general identification of the thread.Seat Angle
37.0 degrees
Details
The angle of the end surface upon which the mated surface seats.Nominal Outside Diameter Tube Accommodated
0.500 inches all ends
Details
The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.Special Features
grumman aerospace corp supports a10 aircraft
Details
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 on one or more other functions.Material
aluminum alloy body
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
qq-a-225/6,t4 fed spec single material response body
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Surface Treatment
anodize body
Details
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.Surface Treatment Document And Classification
mil-a-8625 mil spec single treatment response body
Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.Style Designator
male coupling half
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Test Data Document
97942-579r552h05 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Details
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.Thread Series Designator
unf all ends
Details
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| LEC205D8 | 79326 | E | - | 3 | 2 | - | AX |
| 579R552H05 | 97942 | E | - | 5 | 9 | - | AX |
| 365550 | 00752 | A | - | D | 9 | - | ZZ |
| 365550-1 | 00752 | 1 | - | 1 | 2 | - | KE |
| 4450152-1 | 93346 | 5 | - | C | 1 | - | ZZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 00000 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 576 | Z | 9 |
Certified Supplier
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Manufacturer
WINCHESTER INTERCONNECT CORPORATION DBA WINCHESTER INTERCONNECT DIV WINCHESTER INTERCONNECT
CAGE: 81312
PEABODY
, MA
, 01960-5049
UNITED STATES
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FAQs
Frequently asked questions for NSN 4730-00-078-2505
What is the NIIN of the NSN 4730-00-078-2505?
The National Item Identification Number (NIIN) of the NSN 4730-00-078-2505 is 00-078-2505
When the NSN 4730-00-078-2505 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Aug 9, 1967
Does the NSN 4730-00-078-2505 contain any precious metals?
Does not contain precious metal
Does the NSN 4730-00-078-2505 contain any hazardous material?
No data in HMIRS
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