Model: 6394290-3

Union Nut

Special Features:

Comes with lockwire holes; surface treatment is tiodize; weapon system essential

Properties:

Thread Class
3b
Thread Direction
Right-hand
Shoulder Width
0.188 inches
Nut Style
Hexagon
Nut Height
0.594 inches
Width Across Flats
1.125 inches
Smallest Inside Diameter
0.625 inches
Thread Series
Uns
Shoulder Step Width
0.188 inches
Shoulder Seat Diameter
0.750 inches
Thready Qty Per Inch (tpi)
16
Thread Size
0.8125 inches
Maximum Working Pressure Rating And Service For Which Designed
3000.0 pounds per square inch oil
Criticality Code Justification
Cqjx and feat
Material
Titanium
Surface Treatment
Anodize
NSN
4730-01-523-0766
Part Number
6394290-3
Description
Nut,union
CAGE
53711

An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes nut (1), tube coupling.

Part 6394290-3 NSN 4730-01-523-0766

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
19964
FIIG:
A021A0
Concept No.:
1
App. Key:
DB
Cond. Code:
2
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:
Y

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8108908000
  • SITC: 69985
  • End Use: Nonferrous metals, other
  • NAICS: 331491
  • USDA: 1

Freight Class: Other wrought titanium, nesoi

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