Model: B21

Tube Coupling Inverted Nut

Properties:

Thread Pitch Diameters
+0.6455/+0.6500 inches
Thread Pitch Diameters
+0.6455 to 0.6500 inches
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Casehardening Indicator
Not casehardened
Overall Length
0.680 inches
Thread Size
11/16-18
Tube Outside Diameter For Which Designed
0.438 inches
Seat Angle In Deg
45.0
Screw Thread Series Designator
Ns
Width Across Flats
0.688 inches
Smallest Inside Diameter
Between 0.442 inches and 0.445 inches
Material
Brass
Material
Copper alloy
Style Designator
Inverted nut, tube, flare
Specification Data
81343-j512 professional/industrial association standard
Nondefinitive Specification/std Data
9 figure
NSN
4730-00-014-2434
Part Number
B21
Description
Inverted Nut,tube Coupling
CAGE
72853

Part B21 NSN 4730-00-014-2434

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03857
FIIG:
T385-B
Concept No.:
App. Key:
BA
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:
0.1000lbs
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:
093460
UFC:
48930
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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