Model: NAS1804-7N

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
Overall Height
0.438 inches
Nut Style
Double hexagon
Washer Thickness
0.069 inches
Width Across Flats
Between 0.553 inches and 0.564 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Hardness Rating
45.0 rockwell c
Thread Size
0.437 inches
Material
Steel comp 601 and steel comp h11
Material Specification
Ams 6304 assn standard 1st material response or ams 6487 assn standard 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, tyii federal specification single treatment response
NSN
5310-01-539-3010
Part Number
NAS1804-7N
Description
Nut,self-locking,extended Washer
CAGE
80205

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 NAS1804-7N NSN 5310-01-539-3010

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:
A
ESD:
A
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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