Model: MR43-19

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design or prevailing torque with nonmetallic insert
Nut Style
Hexagon
Nut Height
0.750 inches
Width Across Flats
0.938 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
18
Thread Size
0.625 inches
Bearing Surface Type
Washer faced
Material
Steel
Surface Treatment
Cadmium or zinc
NSN
5310-00-266-4400
Part Number
MR43-19
Description
Nut,self-locking,hexagon
CAGE
76005

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part MR43-19 NSN 5310-00-266-4400

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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

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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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