Model: AS539S9

Hexago Extended Washer Plain Nut

Special Features:

Captive washer is free to rotate; axial strength 11, 800 lbs; 140 ksi ultimate tensile strength; washer material steel 300 serices; material standard qq-s-763

Properties:

Thread Class
3b
Thread Direction
Right-hand
Washer Outside Diameter
Between 1.050 inches and 1.080 inches
Overall Height
0.675 inches
Nut Style
Hexagon
Washer Thickness
0.258 inches
End Application
F-22 raptor
Width Across Flats
Between 0.865 inches and 0.877 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
18
Thread Size
0.5625 inches
Part Name Assigned By Controlling Agency
Splined nut assembly
Material
Steel nut
Material Specification
Ams 5737 assn standard single material response nut
Surface Treatment
Copper alloy
Surface Treatment Specification
Ams 2418 assn standard single treatment response
NSN
5310-01-488-3688
Part Number
AS539S9
Description
Nut,plain,extended Washer,hexago
CAGE
84256

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.

Part AS539S9 NSN 5310-01-488-3688

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04889
FIIG:
A021A0
Concept No.:
1
App. Key:
AP
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:
A
ESD:
A
MMAC:
FR
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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