Model: B316277-5

Boss Reducer

Properties:

Thread Class
3a 2nd end
Thread Class
3a 1st end
Reducer Type
Concentric
Connection Style
External seat for gasket seal (boss) 1st end
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Type
Threaded external boss 1st end
Connection Type
Threaded external boss 2nd end
Thread Size
1.312 inches 2nd end
Thread Size
2.312 inches 1st end
Nominallength
1.875 inches
Material
Steel
Material Specification
Mil-s-6758 military specification single material response
Thread Series Designator
Un 2nd end
Thread Series Designator
Uns 1st end
NSN
4730-00-116-7488
Part Number
B316277-5
Description
Reducer,boss
CAGE
80020

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 B316277-5 NSN 4730-00-116-7488

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:
A
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:
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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