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
Detail | Characteristic | |
Hole Diameter | 0.252 Inches Minimum and 0.282 Inches Maximum | |
Outside Diameter | 0.745 Inches Minimum and 0.770 Inches Maximum | |
Overall Height | 0.132 Inches Nominal | |
Material Document and Classification | AMS 5732 ASSN STD Single Material Response Overall | |
Material Thickness | 0.022 Inches Minimum and 0.028 Inches Maximum | |
Minimum Tensile Strength | 160000 Pounds Per Square Inch (Psi) | |
Recess Angle | 99.0 Degrees Minimum and 103.0 Degrees Maximum | |
Recess Diameter | 0.507 Inches Minimum and 0.517 Inches Maximum | |
Style Designator | Finishing | |
Surface Treatment Document and Classification | QQ-P-35 Fed Spec Single Treatment Response Overall | |
Surface Treatment | Passivate Overall | |
Specification/Standard Data | Professional/Industrial Association Standard |
Additional info | |
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Colors | Chrome |
Dimensions | |
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Dimensions (W x H x D) | 0.75" x 0.75" x 0.112" Inch |
Length | 0.75" Inch |
Weight | 0.002 lb |
Specifications | |
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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 |