Model: NAS391S8P

Finishing Washer

Properties:

Hole Diameter
Between 0.347 inches and 0.357 inches
Radius
Between 0.025 inches and 0.031 inches
Outside Diameter
0.014 inches
Overall Height
Between 0.092 inches and 0.112 inches
Material Thickness
Between 0.036 inches and 0.092 inches
Hardness Rating
104.0 brinell standard
Material
Steel
Material Specification
Astma108, grade 1018 or grade 121 or astm a510, grade 1020 assn standard single material response
Surface Treatment
Nickel alloy or chromium
Surface Treatment Specification
Cadmium plate iaw sae ams-qq-p-416, type ii, class 3; assn standard single treatment response
Style Designator
Finishing
NSN
5310-01-594-9255
Part Number
NAS391S8P
Description
Washer,finishing
CAGE

A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.

Part NAS391S8P NSN 5310-01-594-9255

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15932
FIIG:
A022B0
Concept No.:
1
App. Key:
A
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: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Washers other than lock washers, iron or steel

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