Model: 668209-1

Self-sealing Coupling Half

Properties:

Thread Class
3a all ends
Overall Length
3.490 inches
Connection Style
Flared all ends
Connection Type
Threaded external tube first fluid end connection
Features Provided
Self-sealing
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.312 inches all ends
Seat Angle
37.0 degrees
Material
Aluminum alloy body
Surface Treatment
Anodize body
Style Designator
Male coupling half
Thread Series Designator
Un all ends
NSN
4730-00-554-8666
Part Number
668209-1
Description
Coupling Half,self-sealing
CAGE
98897

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 external or internal thread for connecting a mating part to form a self-sealing coupling assembly. The fitting has either a self-sealing feature for the purpose of automatically shutting off the flow of fluid when disconnected from its mating half, or, if it has no self-sealing feature, is specifically designed to mate with a fitting with a self-sealing feature. For self-sealing fittings with a quick disconnect end, see coupling half, quick disconnect. For fluid line fittings without a self-sealing feature, see coupling (as modified).

Part 668209-1 NSN 4730-00-554-8666

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18281
FIIG:
A531W0
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:
CRITL:
X

Freight Classification

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

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Schedule B and Export
  • Schedule B: 7609000000
  • SITC: 68427
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Aluminum tube or pipe fittings (couplings,elbows sleeves)

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