42FLW820

Locking Extended Washer Nut Self

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Description:

Thread: 1/2-20, Thread Size: 1/2", Nut Height: 1/2", Head Width: 5/8

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Add to Cart Up to qty 50 ships same day if ordered before 4pm EST
42FLW820 Price:
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$17.67 Each
Quantity:
Pre-packaged bag qty: 5 ea
* Sold in increments of 5
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42FLW820 Datasheet Features and Specification

Thread Class:
3b
Thread Direction:
Right-hand
Tempurature Rating:
450 degrees fahrenheit
Surface Treatment Specification:
Qq-p-416 federal specification single treatment response
Surface Treatment:
Cadmium
Overall Height:
Between 0.539 inches and 0.559 inches
Nut Style:
Double hexagon
Material Specification:
Ms6280 assn standard single material response
Material:
Steel
Locking Feature:
Free-running all metal design
Hardness Rating:
Between 34.0 rockwell c and 43.0 rockwell c
Thread Qty Per Inch (tpi):
20
Thread Series:
Unjf (fine thread with external controlled root radius)
Thread Size:
0.50 inches
Washer Outside Diameter:
Between 0.813 inches and 0.833 inches
Washer Thickness:
Between 0.064 inches and 0.084 inches
Width Across Flats:
Between 0.616 inches and 0.627 inches
Quick Specs
Thread Size 1/2
Thread Qty 20
Thread Series UNJF
Thread Class 3B
Material Steel

Additional Information

Alternate Part Numbers

  • 42FLW-820
SKU / Model: 42FLW820
NSN: 5310-01-357-7666
FSC: Nuts and Washers / 5310
Product Series: 42FLW
Pack Weight (Approx.) 0.173 lb
Minimum Qty (MOQ): 5
Schedule B: 7318.16.0085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
42FLW820_Military-Fasteners-com.pdf
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42FLW428

Thread Size: 1/4in., Head Width: 3/8in., 5310-00-612-9003

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

5.0

The products sent allowed the repair to be completed in a timely manner. Thank you for Military Fasteners being there and having parts available to allow our vintage aircraft to continue flight.

5.0

Ordered on a Monday evening and arrived in New Zealand Friday afternoon. Very good prompt service and the compass was installed on the Saturday after calibration. Thanks Military Fasteners!

5.0

I really appreciate the easy to use web site, the extensive stock you maintain and the prompt shippment. Keep up the good work. Thanks!

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