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Quick Disconnect Coupling Half

NSN: 4730-00-436-2128 | Model: AE94911N
ITAR Registered seal

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.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Thread Class
3A all ends
Quick Disconnect Method
Quick lead thread all ends
Connection Style
External seat for gasket seal all ends
Leg Length
3.000 inches
Connection Type
Threaded external boss first fluid end connection
Features Provided
Safety locking feature and self-sealing
Thready Qty Per Inch (tpi)
12 first quick disconnect end
Thread Size
1.625 inches all ends
Flow Angle
90.0 degrees
Aluminum alloy body
Surface Treatment
Anodize body
Style Designator
Male coupling half
Thread Series Designator
Unf all ends

Pricing and Availability

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NSN 4730-00-436-2128 Datasheet

Supply Class (FSC):
Railing Fittings Lubrication Tube Pipe Hose
Cross Reference:
  • AE94911N
  • 4P94152-109B
Cage Codes:
  • Aeroquip Llc. Eaton (CAGE 00624)
  • Lockheed Martin Corporation (CAGE 98897)
  • 4730-00-436-2128 replaces 4730-00-109-8803
Schedule B & Trade:
  • Schedule B: 7609000000 (NAICS 332919)

    Aluminum tube or pipe fittings (couplings, elbows sleeves)

  • SITC: 68427

    Aluminum and aluminum alloy tube and pipe fittings (e.G. Couplings, elbows and sleeves)

  • End Use: 12300

    Finished metal shapes


N - Indicates there is no data in the humors and the nsn is in a fsc not generally suspected of containing hazardous materials.


U - Precious metal content is unknown


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    051400 - Pipe fittings aluminum

  • WCC:

    576 - Metal and metal products, nos, (less than 35 feet)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    P - 77.5

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $4,474.24 to $7,457.06..
Does NSN 4730-00-436-2128 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force
What is the NIIN of NSN 4730-00-436-2128?
004362128 or 00-436-2128
Does NSN 4730-00-436-2128 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-436-2128?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Mar 28, 1969