NAS1169C416 - Dimpled Aerospace Washer

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NAS1169C416 - Dimpled Aerospace Washer

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NAS1169C416 - Dimpled Aerospace Washer

National Aerospace Standard Part

Description: Dimpled Washer, Size 1/4"
Part Number: NAS1169C416


Product Overview

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

The NAS1169C416 is a dimpled washer made from high-quality stainless steel, designed to meet stringent aerospace standards. This washer features a dimpled surface that helps to evenly distribute the load of a fastener across its surface area, reducing the risk of damage to the material being fastened. The dimple design also provides a locking action that prevents loosening due to vibrations, making it ideal for critical applications in aircraft assemblies.

Technical Specifications:

  • Part Number: NAS1169C416
  • Material: Stainless steel
  • Dimensions: Specific size to fit standard aerospace bolts and fasteners
  • Application: Used in high-stress areas of aircraft, providing secure fastening and resistance to vibration


Item Specification

DetailCharacteristic
Hole Diameter0.252 Inches Minimum and 0.282 Inches Maximum
Outside Diameter0.745 Inches Minimum and 0.770 Inches Maximum
Overall Height0.132 Inches Nominal
Material Document and ClassificationAMS 5732 ASSN STD Single Material Response Overall
Material Thickness0.022 Inches Minimum and  0.028 Inches Maximum
Minimum Tensile Strength160000 Pounds Per Square Inch (Psi)
Recess Angle99.0 Degrees Minimum and 103.0 Degrees Maximum
Recess Diameter0.507 Inches Minimum and 0.517 Inches Maximum
Style DesignatorFinishing
Surface Treatment Document and ClassificationQQ-P-35 Fed Spec  Single Treatment Response Overall
Surface TreatmentPassivate Overall
Specification/Standard DataProfessional/Industrial Association Standard



Additional info
Colors Chrome
Dimensions
Dimensions (W x H x D) 0.75" x 0.75" x 0.112" Inch
Length 0.75" Inch
Weight 0.002 lb
Specifications
8130-3 Eligible No
ATA Chapter ATA 51 Standard Practices and Structures
Available Conditions NE / NS
Cage Code 0WTF7
Country of origin United States of America
ECCN / USML EAR99
FAA Approval Code STD
Hazmat Code Not Applicable
Hazmat(Y/N) N
Material Corrosion Resistant Steel
NSN 5310-01-109-2201
Schedule B 8409.10.0040
Total Shelf Life (days) Not Applicable
Type Washer
Units of Measure (UoM) Each
Brand Monroe Aerospace
Color Chrome
Condition status Depreciated
Size 1/4 - Inch