Model: 251U3D6

Quick Disconne Coupling Assembly

Special Features:

W/provision for locknut

Properties:

Thread Class
3a first fluid end connection
Overall Length
3.543 inches
Second Leg Length
0.548 inches
Quick Disconnect Method
Spring push-lock all ends
Maximum Operating Temp
149.0 degrees celsius single response
End Application
H-53 helicopter
Connection Style
Flared first fluid end connection
Leg Length
1.130 inches
Leg Length
0.548 inches
Connection Type
Threaded external tube first fluid end connection
Second End Relationship With First End
Identical
Maximum Operating Pressure And Media For Which Designed
200.0 pounds per square inch any acceptable
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.562 inches first fluid end connection
Seat Angle
37.0 degrees
Maximum Operating Tempurature And Media For Which Designed
149.0 degrees celsius any acceptable
Outside Diameter Tube Accommodated
0.375 inches first fluid end connection
Material
Stainless steel
Style Designator
Coupling assembly
Test Data Document
78286-65307-1 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)
Thread Series Designator
Unf first fluid end connection
NSN
4730-00-114-2456
Part Number
251U3D6
Description
Coupling Assembly,quick Disconne
CAGE
79326

A multipiece fluid line fitting consisting of two coupling half, quick disconnect fittings.

Part 251U3D6 NSN 4730-00-114-2456

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20671
FIIG:
A531S0
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:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
5,200.0000lbs
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

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Schedule B and Export
  • Schedule B: 7307290000
  • SITC: 67956
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Stainless steel tube or pipe fittings nesoi

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