Model: 259-2021-4-4

Pipe To Tube Straight Adapter

Properties:

Pipe Size Accommodated
0.250 inches 1st end
Thread Class
2b 2nd end
Thread Class
3b 1st end
Seat Type
Beveled
End Application
Support equipment b-2 bomber
Connection Style
Flared (tube) 2nd end
Connection Style
Gasket seal compression (pipe) 1st end
Connection Type
Threaded external pipe 1st end
Connection Type
Threaded external tube 2nd end
Thready Qty Per Inch (tpi)
18 1st end
Thready Qty Per Inch (tpi)
20 2nd end
Thread Size
0.250 inches 1st end
Thread Size
0.437 inches 2nd end
Seat Angle
37.0 degrees 2nd end
Outside Diameter Tube Accommodated
0.250 inches 2nd end
Nominallength
1.420 inches
Material
Steel comp 316
Thread Series Designator
Npt 1st end
Thread Series Designator
Unf 2nd end
NSN
4730-01-466-1029
Part Number
259-2021-4-4
Description
Adapter,straight,pipe To Tube
CAGE
01276

An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other 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. It is designed to join a pipe or pipe fitting to a tube or tube fitting in a straight line.

Part 259-2021-4-4 NSN 4730-01-466-1029

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03776
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:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
051010
UFC:
29420
LTL:
65.0
LCL:
--
WCC:
736
TCC:
Z
SHC:
9
ACC:
Engineer Supplies

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Schedule B and Export
  • Schedule B: 7307994000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of alloy steel not stainless

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