Model: MS21912-5

Tube Tee

Properties:

Thread Class
3a 2nd end
Thread Class
3a 3rd end
Thread Class
3a 1st end
Connection Style
Flareless (tube) 3rd end
Connection Style
Flareless (tube) 1st end
Connection Style
Flareless (tube) 2nd end
Leg Length
1.031 inches 2nd end and 1.078 inches 2nd end
Leg Length
1.031 inches 3rd end and 1.078 inches 3rd end
Leg Length
1.531 inches 1st end and 1.578 inches 1st end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 2nd end
Connection Type
Threaded external tube 3rd end
Thread Size
0.500 inches 1st end
Thread Size
0.500 inches 2nd end
Thread Size
0.500 inches 3rd end
Seat Angle
12.0 degrees 1st end
Seat Angle
12.0 degrees 2nd end
Seat Angle
12.0 degrees 3rd end
Outside Diameter Tube Accommodated
0.312 inches 1st end
Outside Diameter Tube Accommodated
0.312 inches 2nd end
Outside Diameter Tube Accommodated
0.312 inches 3rd end
Material
Steel comp 1137 or steel comp 1141 and steel comp 4130 and steel comp 4140
Material Specification
Qq-s-637 federal specification 1st material response or qq-s-637 federal specification 2nd material response and mil-s-6758 military specification 3rd material response and mil-s-5626 military specification 4th material response
Surface Treatment
Cadmium inside
Surface Treatment
Cadmium outside
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response inside
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response outside
Thread Series Designator
Unf 1st end
Thread Series Designator
Unf 3rd end
Thread Series Designator
Unf 2nd end
NSN
4730-00-448-9505
Part Number
MS21912-5
Description
Tee,tube
CAGE
96906

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or are unthreaded and designed to accommodate a tube. It may have side inlet(s). It is used as a junction at the intersection of a tube or tube fitting.

Part MS21912-5 NSN 4730-00-448-9505

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03809
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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