Model: 21K8

Tube To Boss Tee

Properties:

Thread Class
2a all ends
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Flared (tube) 1st end
Connection Style
Flared (tube) 3rd end
Leg Length
1.625 inches 1st end
Leg Length
1.922 inches 2nd end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Connection Type
Threaded external tube 3rd end
Thready Qty Per Inch (tpi)
12 all ends
Thread Size
1.062 inches all ends
Seat Angle
37.0 degrees 1st end
Seat Angle
37.0 degrees 3rd end
Outside Diameter Tube Accommodated
0.750 inches 1st end
Outside Diameter Tube Accommodated
0.750 inches 3rd end
Material
Steel
Surface Treatment
Cadmium
Thread Series Designator
Un all ends
Furnished Items And Quantity
1 flat washer and 1 lock washer and 1 preformed packing
Specification Data
96906-, s51530 government standard
NSN
4730-00-936-2158
Part Number
21K8
Description
Tee,tube To Boss
CAGE
77237

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The tube connection(s) has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. The boss connection(s) has external or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side inlet(s). It is used as a junction at the intersection of a tube or fitting and a boss or boss fitting on items such as a tank, housing, valve fitting, or the like. See also tee, tube; and tee, pipe to tube. Excludes connector, multiple, fluid pressure line.

Part 21K8 NSN 4730-00-936-2158

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22683
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.8000lbs
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:
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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