Model: 434990

Tube To Boss Straight Adapter

Properties:

Thread Class
2a 1st end
Thread Class
2a 2nd end
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Flared (tube) 1st end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded internal boss 2nd end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 1st end
Thread Size
0.750 inches 2nd end
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Nominallength
1.375 inches
Material
Steel
Thread Series Designator
Unf 1st end
Thread Series Designator
Unf 2nd end
Furnished Items And Quantity
1 flared sleeve and 1 preformed packing and 1 short coupling nut
Specification Data
81343-j514 professional/industrial association standard
Nondefinitive Specification/std Data
3b figure
NSN
4730-01-212-5775
Part Number
434990
Description
Adapter,straight,tube To Boss
CAGE
01014

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end 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 is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

Part 434990 NSN 4730-01-212-5775

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22675
FIIG:
A080B0
Concept No.:
1
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:
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:
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: 7307992000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of iron or nonalloy steel

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