Model: MIL-DTL-25531

Quick Disconnect Coupling Half

Special Features:

Weapon system essential; titanium-cadmium plating finish

Properties:

Overall Length
5.312 inches
Quick Disconnect Method
Push-pull all ends
End Application
Ground support equipment for the f/a-18 hornet aircraft
Connection Style
Beaded all ends
Leg Length
0.250 inches
Connection Type
Internal quick disconnect all ends
Connection Type
Unthreaded external hose first fluid end connection
Features Provided
Safety locking feature and self-sealing
Criticality Code Justification
Feat
Inside Diameter Hose Accommodated
3.000 inches all ends
Material
Steel body
Style Designator
Male coupling half
NSN
4730-00-812-3040
Part Number
MIL-DTL-25531
Description
Coupling Half,quick Disconnect
CAGE
81349

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.

Part MIL-DTL-25531 NSN 4730-00-812-3040

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18681
FIIG:
A531T0
Concept No.:
App. Key:
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051400
UFC:
29700
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

End Items End applications NSN 4730-00-812-3040 is a component of

  • Ground Support Equipment For The F/a-18 Hornet Aircraft
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  • Gas Turbine Engine Power Unit

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Schedule B and Export
  • Schedule B: 7307199030
  • SITC: 67952
  • End Use: Iron and steel products, other
  • NAICS: 331511
  • USDA: 1

Freight Class: Unions, pipe, of iron or steel, cast

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