Model: NAS1149E2190R

Flat Washer

Properties:

Cross Sectional Shape
Rectangular
Hole Diameter
1.328 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
0.090 inches
Overall Diameter
2.062 inches
End Application
F-22 raptor
Part Name Assigned By Controlling Agency
Washer
Material
Steel
Material Specification
A286 (uns s66286) per ams 5525 (160 ksi min uts) assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 military specification single treatment response
NSN
5310-01-498-6651
Part Number
NAS1149E2190R
Description
Washer,flat
CAGE
80205

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

Part NAS1149E2190R NSN 5310-01-498-6651

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13393
FIIG:
A022B0
Concept No.:
1
App. Key:
B
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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New Products Recently updated in nuts and washers

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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