Model: R399P4D

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.603 inches
Lubrication
Dry film lubricant
Overall Height
0.500 inches
Nut Style
Double hexagon
Washer Thickness
0.080 inches
Width Across Flats
Between 0.492 inches and 0.502 inches
Tempurature Rating
1200.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
24
Hardness Rating
Between 30.0 rockwell c and 40.0 rockwell c
Thread Size
0.375 inches
Material
Iron alloy 660
Material Specification
Ams5735 assn standard single material response
Precious Material
Silver
Surface Treatment
Silver
Surface Treatment Specification
Ams2410 assn standard single treatment response
Specification Data
07482-r399 manufacturers source control
NSN
5310-01-069-2739
Part Number
R399P4D
Description
Nut,self-locking,extended Washer
CAGE
07482

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part R399P4D NSN 5310-01-069-2739

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29729
FIIG:
A021A0
Concept No.:
1
App. Key:
BS
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:
S
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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