Model: 21B-13

Tube To Boss Straight Adapter

Properties:

Thread Class
3a all ends
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Flared (tube) 1st end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded external tube 1st end
Thready Qty Per Inch (tpi)
12 all ends
Thread Size
1.312 inches 2nd end
Thread Size
1.062 inches 1st end
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.750 inches 1st end
Nominallength
2.045 inches
Material
Aluminum alloy 2017 or aluminum alloy 2024
Thread Series Designator
Un all ends
NSN
4730-00-220-3966
Part Number
21B-13
Description
Adapter,straight,tube To Boss
CAGE
91511

Part 21B-13 NSN 4730-00-220-3966

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22675
FIIG:
A080B0
Concept No.:
1
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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051420
UFC:
29090
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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