Model: M-2644-A

Boss Reducer

Properties:

Thread Class
2a 2nd end
Thread Class
2b 1st end
Reducer Type
Concentric
Maximum Operating Temp
250.0 degrees fahrenheit single response
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
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 1st end
Thread Size
0.562 inches 2nd end
Nominallength
0.969 inches
Material
Steel comp 12l14
Material Specification
Astm a108 assn standard single material response
Media For Which Designed
Hydraulic fluid single response
Thread Series Designator
Unf 1st end
Thread Series Designator
Unf 2nd end
NSN
4730-01-241-0326
Part Number
M-2644-A
Description
Reducer,boss
CAGE
61208

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 M-2644-A NSN 4730-01-241-0326

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

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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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