Model: 66796AF

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.729 inches
Lubrication
Dry film lubricant
Overall Height
0.438 inches
Nut Style
Double hexagon
Washer Thickness
0.069 inches
Width Across Flats
0.631 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Hardness Rating
Between 40.0 rockwell c and 45.0 rockwell c
Thread Size
0.438 inches
Material
Steel comp 601 nut or steel comp h11 nut
Material Specification
Ams 6304 assn standard 1st material response nut or ams 6485 assn standard 2nd material response nut or ams 6487 assn standard 2nd material response nut
Surface Treatment
Cadmium nut and chromate nut
Surface Treatment Specification
Qq-p-416, ty2, cl2 federal specification single treatment response nut
NSN
5310-01-338-6836
Part Number
66796AF
Description
Nut,self-locking,extended Washer
CAGE
56878

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 66796AF NSN 5310-01-338-6836

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

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