Model: J246

Tube Coupling Nut

Special Features:

Supports harnischfeger corp.; model m320t2, crane truck mounted, nsn 3810-00-151-4431; weapon system essential

Properties:

Thread Pitch Diameters
+0.4104/+0.4153 inches
Thread Direction
Right-hand
Fabrication Method
Machined
Nut Style
Tube coupling
Nut Height
0.750 inches
End Application
Truck--5-ton m939 series, m-915 series, m-916a1, cargo dropside 2 1/2-ton bx6 w/e; support equipment, f-16 aircraft; trailer, semi (m870)
Width Across Flats
0.563 inches
Smallest Inside Diameter
0.254 inches
Thread Series
Uns
Thready Qty Per Inch (tpi)
24
Thread Size
0.437 inches
Tube Outside Diameter
0.250 inches
Seat Angle
20.00 degrees
Criticality Code Justification
Feat
Material
Copper alloy
Specification Data
81343-j246 professional/industrial association standard
Nondefinitive Specification/std Data
5 figure
NSN
4730-00-278-8824
Part Number
J246
Description
Nut,tube Coupling
CAGE
81343

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

Part J246 NSN 4730-00-278-8824

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03859
FIIG:
A021A0
Concept No.:
1
App. Key:
CX
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:
Y

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:
093460
UFC:
48930
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415290000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper screws, nuts, bolts, rivets, and other fasteners not threaded

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