Model: 259-1290-20

Tube Coupling Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Tube coupling
Nut Height
1.220 inches
Thread Series
Un
Thready Qty Per Inch (tpi)
12
Thread Size
1.625 inches
Material
Steel comp 316
Surface Treatment
Passivate
NSN
4730-01-530-1780
Part Number
259-1290-20
Description
Nut,tube Coupling
CAGE
01276

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 259-1290-20 NSN 4730-01-530-1780

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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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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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