Model: 218-345

Tube Coupling Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Fabrication Method
Machined
Nut Style
Tube coupling
Nut Height
0.970 inches
Width Across Flats
1.000 inches
Length To Shoulder
0.660 inches
Smallest Inside Diameter
0.698 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
14
Thread Size
0.875 inches
Tube Outside Diameter
0.625 inches
Seat Angle
30.0 degrees
Material
Steel
Surface Treatment Specification
J514 assn standard single treatment response
Specification Data
81343-j514 professional/industrial association standard
Nondefinitive Specification/std Data
12 figure
NSN
4730-00-976-0981
Part Number
218-345
Description
Nut,tube Coupling
CAGE
10988

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 218-345 NSN 4730-00-976-0981

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:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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