Model: 21T190-6-4-4

Tube Tee

Properties:

Thread Class
3a 1st end bulkhead
Thread Class
3a all ends
Maximum Operating Temp
135.0 degrees celsius single response
Connection Style
Flareless (tube) all ends
Leg Length
1.070 inches 2nd end
Leg Length
1.070 inches 3rd end
Leg Length
1.711 inches 1st end
Connection Type
Threaded external tube all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 2nd end
Thread Size
0.438 inches 3rd end
Thread Size
0.562 inches 1st end
Thread Size
0.562 inches 1st end bulkhead
Seat Angle
12.0 degrees all ends
Flow Angle
90.0 degrees
Outside Diameter Tube Accommodated
0.250 inches 2nd end
Outside Diameter Tube Accommodated
0.250 inches 3rd end
Outside Diameter Tube Accommodated
0.375 inches 1st end
Material
Steel comp 1137 or steel comp 1141 or steel comp 4130
Material Specification
Fed standard @66 federal standard single material response
Media For Which Designed
Aeronautical fluid single response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response
Thread Series Designator
Unjf all ends
Thread Series Designator
Unjf 1st end bulkhead
NSN
4730-00-143-4020
Part Number
21T190-6-4-4
Description
Tee,tube
CAGE
0JRC1

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 21T190-6-4-4 NSN 4730-00-143-4020

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:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
052185
UFC:
29950
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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