Model: 8640-4-4-NICUL1

Tube Coupling

Properties:

Thread Class
2a 2nd end
Connection Style
Flared (tube) 2nd end
Connection Style
Socket brazing ring (tube) 1st end
Connection Type
Threaded external tube 2nd end
Connection Type
Unthreaded internal tube 1st end
Thread Size
0.438 inches 2nd end
Seat Angle
37.0 degrees 2nd end
Criticality Code Justification
Zzzy
Outside Diameter Tube Accommodated
0.250 inches 1st end
Outside Diameter Tube Accommodated
0.250 inches 2nd end
Nominallength
1.050 inches
Material
Nickel alloy a
Material Specification
Qq-n-281, cl a federal specification single material response
Style Designator
Rigid, short center wrenching facility
Thread Series Designator
Unf 2nd end
Reference Number Differentiating Characteristics
Material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items
NSN
4730-00-279-3212
Part Number
8640-4-4-NICUL1
Description
Coupling,tube
CAGE
03950

A straight fitting 12 inches (304 mm) long or under having the same or different type of connection of the same size on both ends. It is designed to join a tube or tube fitting to another tube or tube fitting. Excludes fittings with threaded external connections on both ends. Excludes nipple, pipe.

Part 8640-4-4-NICUL1 NSN 4730-00-279-3212

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06078
FIIG:
A080B0
Concept No.:
App. Key:
A
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:
S

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
2.0 X 1.0 X 1.0
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
24
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051450
UFC:
29740
LTL:
77.5
LCL:
77.5
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7507200000
  • SITC: 68322
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Tube or pipe fittings of nickel

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