Quick Disconnect Coupling Half

A-A-59326/5

A-A-59326/5
(NSN) National Stock Number
4730-00-054-6226
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
18681
Schedule B Code
7412200000
Summary

3.687 inches minimum and 3.812 inches maximum overall length, cam-locking all ends quick disconnect method, 4.703 inches all ends quick disconnect nominal size, plain all ends connection style, 1.562 inches nominal leg length, internal quick disconnect all ends connection type

DAC HCC DMIL RNCC
E - - 4
RNVC SADC MSDS RNAAC
1 - - 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
Overall Length
3.687 inches minimum and 3.812 inches maximum
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Quick Disconnect Method
cam-locking all ends
Details The means by which mechanical action completely engages or disengages a mating quick disconnect part.
Quick Disconnect Nominal Size
4.703 inches all ends
Details The industrial designation or term for the size of the quick disconnect internal or external end.
Connection Style
plain all ends
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Leg Length
1.562 inches nominal
Details A measurement of the longest dimension of the leg,in distinction from width.
Connection Type
internal quick disconnect all ends
Details Indicates the type of connection/s/.
Connection Type
threaded internal pipe first fluid end connection
Details Indicates the type of connection/s/.
Nominal Thread Size
4.000 inches all ends
Details A designation that is used for the purpose of general identification of the thread.
Material
copper alloy body
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
male coupling half
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
npt 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.
Specification/Standard Data
96906-ms27024 government standard
Details The document designator of the specification or standard which established the item of supply.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
A-A-59326/S 58536 E - 5 9 - ZZ
AA-59326/5A-9/B-2 58536 E - 5 9 - ZZ
AA59326/5-9-B-2 58536 E - 2 2 - ZZ
AA59326V29 58536 E - 5 9 - ZZ
400-D-BR 24869 6 - 5 1 - AX
633-D-4IN-BR 81718 E - 5 9 - AX
633D 81718 A - D 9 - AX
633D-4BR 81718 E - 5 1 - AX
633D4BRASS 81718 E - 5 9 - AX
633-D-4IN-BR 9H113 E - 5 9 - AX
633D-4BR 9H113 E - 5 9 - AX
633D-4BR 0U9Z1 5 - 5 9 - ZZ
MS27024-18 96906 E - 5 9 - AX
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
00000 - W -
RVC WCC TCC SHC
- 576 Z 9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping
Manufacturer
FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
CAGE: 58536
WASHINGTON , DC , 20405
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 4730-00-054-6226
What is the NIIN of the NSN 4730-00-054-6226?
The National Item Identification Number (NIIN) of the NSN 4730-00-054-6226 is 00-054-6226
When the NSN 4730-00-054-6226 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Sun, Jan 1, 1961
Does the NSN 4730-00-054-6226 contain any precious metals?
Type/content is unknown
Does the NSN 4730-00-054-6226 contain any hazardous material?
No data in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Similar Products
Who we are?

We are a trusted provider of milspec and aerospace hardware, offering high-quality consumables and parts. With a commitment to excellence, we guarantee reliable and fast delivery through our network of logistics centers. Our mission is to support the aerospace industry with precision and efficiency.

Contact
3555 Agricultural Center Dr.
St. Augustine, FL, 32092
United States
© 2025 Aerospace Hardware Store, Inc. All rights reserved.
Made in USA