Model: N178742-3

Plate Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant
Mounting Hole Diameter
Between 0.066 inches and 0.071 inches
Nut Style
Plate
Nut Length
0.456 inches
Nut Height
0.130 inches
Plate Thickness
0.025 inches
Plate Width
0.194 inches
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.143 inches and 0.153 inches
Center To Center Distance Between Mounting Holes Along Length
Between 0.294 inches and 0.298 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjc
Thready Qty Per Inch (tpi)
40
Thread Size
0.112 inches
Material
Iron alloy 660
NSN
5310-00-073-9190
Part Number
N178742-3
Description
Nut,self-locking,plate
CAGE
K4358

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part N178742-3 NSN 5310-00-073-9190

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05280
FIIG:
A021A0
Concept No.:
1
App. Key:
BZ
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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
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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