NAS1640-4

Lock Washer

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Description:

NAS1640-4 Lock Washer

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Add to Cart Up to qty 4600 ships same day if ordered before 4pm EST
NAS1640-4 Price:
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$0.26 Each
Quantity:
Pre-packaged bag qty: 100 ea
* Sold in increments of 100
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NAS1640-4 Datasheet Features and Specification

Hole Diameter:
0.115 inches minimum and 0.124 inches maximum
Outside Diameter:
0.212 inches maximum
Material Thickness:
0.025 inches minimum and 0.031 inches maximum
Hardness Rating:
35.0 rockwell c minimum and 45.0 rockwell c maximum
Material:
Steel corrosion resisting overall
Material Specification:
Fed std 66,crew 300 series mil std single material response overall
Surface Treatment:
Passivate overall
Surface Treatment Specification:
Qq-p-35 fed spec single treatment response overall
Style Designator:
Split helical-right hand
Nondefinitive Specification/std Data:
C class

Additional Information

SKU / Model: NAS16404
NSN: 5310-00-442-6913
FSC: Nuts and Washers / 5310
Product Series: NAS1640
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
NAS1640-4_Military-Fasteners-com.pdf
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More NAS1640 lock washers

NAS1640-416

5310-00-087-3055 Lock Washer

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Customer Reviews

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Discovered on Wednesday evening I needed a new tire / tube. I had it in my hands Friday in time for a weekend install. Great service!!

5.0

Very speedy order processing and reasonable shipping time. Its almost like walking next door to a favorite aircraft supply house.

5.0

The only hardware supplier that rushes to ship your order. Placed an order at 4pm, and they got it out same day.

5.0

Thanks for being there for us small plane owners. It has never been cheap to own a plane but as our planes age it is getting harder and harder to find parts for upkeep. Good fast service also.

5.0