Model: 177320

Boss Reducer

Properties:

Thread Class
2a 2nd end
Thread Class
2b 1st end
Reducer Type
Concentric
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Gasket seal (boss) 1st end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded internal boss 1st end
Thread Size
0.375 inches 1st end
Thread Size
0.438 inches 2nd end
Reduced Passage Inside Diameter
0.156 inches all ends
Nominallength
1.187 inches
Material
Stainless steel
Thread Series Designator
Unf all ends
NSN
4730-00-139-3235
Part Number
177320
Description
Reducer,boss
CAGE

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).

Part 177320 NSN 4730-00-139-3235

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
23541
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7307290000
  • SITC: 67956
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Stainless steel tube or pipe fittings nesoi

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