Model: 158-409

Pipe To Boss Straight Adapter

Properties:

Thread Class
2a 2nd end
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Plain (pipe) 1st end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded internal pipe 1st end
Thread Size
0.375 inches 1st end
Thread Size
0.750 inches 2nd end
Nominallength
3.218 inches
Material
Steel
Thread Series Designator
Npt 1st end
Thread Series Designator
Unef 2nd end
NSN
4730-00-795-0377
Part Number
158-409
Description
Adapter,straight,pipe To Boss
CAGE
25980

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 158-409 NSN 4730-00-795-0377

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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: 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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