Model: 4KK749

Tube To Boss Elbow

Properties:

Thread Class
2a 1st end
Thread Class
2a 2nd end
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Flared (tube) 1st end
Leg Length
37.0 millimeters 2nd end
Leg Length
44.6 millimeters 1st end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Thread Size
0.375 inches 1st end
Thread Size
1.0 millimeters 2nd end
Thread Pitch In Millimeters
1.5 2nd end
Seat Angle
37.0 degrees 1st end
Flow Angle
90.0 degrees
Thread Tolerance Class
6h external 2nd end
Outside Diameter Tube Accommodated
12.0 millimeters 1st end
Material
Steel
Thread Series Designator
Iso s 2nd end
Thread Series Designator
Unf 1st end
Furnished Items And Quantity
1 preformed packing
NSN
4730-01-398-7243
Part Number
4KK749
Description
Elbow,tube To Boss
CAGE
45152

A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

Part 4KK749 NSN 4730-01-398-7243

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22679
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:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
051420
UFC:
29090
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 7307929000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes

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