Model: B21
Tube Coupling Inverted NutProperties:
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
Part B21 NSN 4730-00-014-2434
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 indicatorsHMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X Packaging & Shipping
Pack Size:
-- Paclk Weight:
0.1000lbs Item Weight:
-- Item Dim:
-- OPI:
O SPI No.:
SPI Rev.:
SPC Mkg:
00 LVL_A:
Q LVL_B:
Q Freight Classification
NMFC:
093460 UFC:
48930 LTL:
70.0 LCL:
-- WCC:
713 TCC:
Z SHC:
9 ACC:
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