Model: 256299 REV G

Pipe To Boss Straight Adapter

Special Features:

Boss will be installed leaving 3.000 in from end of pipe

Properties:

Pipe Size Accommodated
0.500 inches 1st end
Pipe Size Accommodated
0.750 inches 2nd end
Maximum Operating Temp
100.0 degrees fahrenheit single response
End Application
668 factory items, los angles class ssn (688)
Connection Style
Beveled (tube) 2nd end
Connection Style
Socket (pipe) 1st end
Length
1.750 inches all ends
Connection Type
Butt weld pipe 2nd end
Connection Type
Unthreaded internal pipe 1st end
Maximum Operating Pressure
1700.0 pounds per square inch single response
Seat Angle
45.0 degrees 2nd end
Outside Diameter
1.531 inches 1st end
Recess Depth
0.625 inches 1st end
Part Name Assigned By Controlling Agency
Boss weld p-1 and p-2 piping (non-nuclear)
Material
Copper alloy
Material Specification
Mil-c-15726f, grade ii military specification single material response
Media For Which Designed
Fluid single response
NSN
4730-01-512-6376
Part Number
256299 REV G
Description
Adapter,straight,pipe To Boss
CAGE
43689

An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. 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 pipe or pipe fitting to a boss or boss fitting in a straight line on items such as tanks, housing, valve fittings, or the like. See also adapter bushing and coupling, pipe.

Part 256299 REV G NSN 4730-01-512-6376

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22674
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:
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:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 7412200000
  • SITC: 68272
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Copper alloy tube or pipe fittings

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