Model: 51256-1

Quick Disconnect Coupling Half

Special Features:

Mates with cage 21392 p/n 51256-2 or cage 19207 p/n 12438382-2

Properties:

Thread Class
2a all ends
Overall Length
1.190 inches
Quick Disconnect Method
Push-pull first quick disconnect end
Quick Disconnect Size
1.340 inches first quick disconnect end
Connection Style
Flared all ends
Leg Length
0.750 inches
Connection Type
External quick disconnect first quick disconnect end
Connection Type
Threaded external tube first fluid end connection
Thready Qty Per Inch (tpi)
18 all ends
Thread Size
0.626 inches all ends
Seat Angle
37.0 degrees
Outside Diameter Tube Accommodated
0.375 inches all ends
Material
Stainless steel body
Style Designator
Male coupling half
Thread Series Designator
Unf all ends
NSN
4730-01-461-9000
Part Number
51256-1
Description
Coupling Half,quick Disconnect
CAGE
21392

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 51256-1 NSN 4730-01-461-9000

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
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:
052190
UFC:
30000
LTL:
RATING VARIABLE
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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