NAS1640-416
Lock Washer
email this to someone
Description:
* Manufacturer certifications are shipped with your order
FREE of charge
NAS1640-416 Lock Washer

Add to Quote
We are currently out of stock of this item. Click the button below to add this item to a quote and
receive up to date pricing and availability by email.
Add to Quote
Add to Quote
NAS1640-416 Datasheet Features and Specification
Hole Diameter:
0.255 inches minimum and 0.263 inches maximum
Outside Diameter:
0.489 inches nominal
Material Thickness:
0.062 inches nominal
Hardness Rating:
35.0 rockwell c minimum and 43.0 rockwell c maximum
Material:
Steel comp 420 overall
Material Specification:
66 fed std all material responses overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Style Designator:
Split helical-right hand
Additional Information
SKU / Model: | NAS1640416 |
NSN: | 5310-00-087-3055 |
FSC: | Nuts and Washers / 5310 |
Pack Weight (Approx.) | 0.000 lb |
Minimum Qty (MOQ): | 100 |
ECCN: | EAR99 |
National Motor Freight: | 194160, Washer Or Gaskets, Iron Or Steel, |
Download PDF Version NAS1640-416_Military-Fasteners-com.pdf |
|
![]() |
* report an issue on this page
More lock washers
NAS1640-4
5310-00-442-6913 Lock Washer
Have a question
If you require a quote on this or any product please visit our quote request page »
Browse our frequently asked questions page.
You may contact us by phone at +1 (904) 543-6395 or
email us using our contact form.
Our hours of operation are 8:00am - 6:00pm EST
Customer Reviews

Berkley J.
Quality products, outstanding service, good prices!
5.0
Karla P.
Tanks for the fantastic service. I ordered over the new year period and was amazed my shipment arrived so fast, all the way to New Zealand. Less than a week and that included clearing Customs. Awesome!!
5.0
Melissa D.
MF rocks!!
5.0
Paige B.
You guys shipped right away and it was delivered on time. Thanks for the prompt service.
4.0
Something isn't right
Please complete this form if you're having an issue with ordering this item or this item displays invalid or innacurate information or specifications. We thank you for taking the time to report issues so that we may better serve you.
Please complete this form if you're having an issue with ordering this item or this item displays invalid or innacurate information or specifications. We thank you for taking the time to report issues so that we may better serve you.