Model: 311-80554

Quick Disconnect Coupling Half

Special Features:

Bulkhead threads on fluid end connection

Properties:

Thread Class
2a all ends
Overall Length
Between 2.415 inches and 2.500 inches
Quick Disconnect Method
Push-pull all ends
Quick Disconnect Size
0.250 inches all ends
Connection Style
Flareless all ends
Leg Length
Between 0.775 inches and 1.094 inches
Connection Type
Internal quick disconnect all ends
Connection Type
Threaded external tube first fluid end connection
Thread Size
0.438 inches all ends
Seat Angle
20.0 degrees
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Copper alloy body
Surface Treatment
Cadmium and chromate body
Style Designator
Male coupling half
Thread Series Designator
Unf all ends
NSN
4730-01-220-0026
Part Number
311-80554
Description
Coupling Half,quick Disconnect
CAGE
52497

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 311-80554 NSN 4730-01-220-0026

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:
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:
052185
UFC:
29950
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7412200000
  • SITC: 68272
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Copper alloy tube or pipe fittings

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