NAS1291C8M

Locking Extended Washer Nut Self

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Description:

thread: 1/2-20, self locking, hex nut, low height, light weight, corrosion resistant steel, NAS1291 series nut

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NAS1291C8M
NAS1291C8M
NAS1291C8M
NAS1291C8M
NAS1291C8M
NAS1291C8M
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NAS1291C8M Datasheet Features and Specification

Thread Series:
Unjf (fine thread with external controlled root radius)
Thread Qty Per Inch (tpi):
20
Thread Direction:
Right-hand
Thread Class:
3b
Surface Treatment:
Passivate
Tempurature Rating:
450.0 degrees fahrenheit
Overall Height:
Between 0.350 inches and 0.410 inches
Nut Style:
Hexagon
Material Specification:
Ams 5732 assn standard single material response or ams 5737 assn standard single material response or ams 5525 assn standard single material response
Material:
Iron alloy 660
Lubrication:
Dry film lubricant
Locking Feature:
Prevailing torque all metal design
Countersink Angle:
120.0 degrees nut
Thread Size:
0.500 inches
Washer Outside Diameter:
0.814 inches
Washer Thickness:
0.040 inches
Width Across Flats:
Between 0.556 inches and 0.566 inches
Quick Specs
Thread Size 1/2
Thread Qty 20
Thread Series UNJF
Thread Class 3B
Material Iron

Additional Information

Alternate Part Numbers

  • 1DAX86A802011
SKU / Model: NAS1291C8M
NSN: 5310-00-458-2115
FSC: Nuts and Washers / 5310
Product Series: NAS1291C
Pack Weight (Approx.) 0.182 lb
Minimum Qty (MOQ): 10
Schedule B: 7318.16.0085
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1291C8M_Military-Fasteners-com.pdf
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Product Image Gallery

Product code NAS1291C8M
NAS1291C8M
NAS1291C8M
NAS1291C8M
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NAS1291C8M
NAS1291C8M

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I am a retired AME/Pilot. I have been restoring a 1946 Globe Swift and have relied on the support and expertise provided by your sales staff. My experience has been very positive. In return, I buy everything I can from Military Fasteners. You are my preferred supplier. Thank you.

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Recently my avionics technician and I were installing a component in my aircraft and there were some critical fasteners missing from the manufactures package. This stopped the entire process. I called Military Fasteners after finding the parts on line, and Trisha answered the phone. I told her the situation and that I needed them ASAP. I found the parts gave her the part number and she confirmed they were in stock. This was about 430 in the afternoon just before closing. Trisha was kind and professional got the parts out the door that evening even though it was after the shipping cut off. Saved the day. I can tell you this entire company is represented by Trisha, anything they can do to help you out of a jamb they will absolutely go the extra mile and Trisha is the go to person. I am sure there are others there with her same attitude and professionalism. This is a great resource for all your fasteners needs.

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(Translated by Google) Excellent service, fast and courteous (Original) Excellent service , rapide et courtois

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Experience has been great the whole time, simple and easy website to use, no complaints. Even our rep, Trisha Hawkins, has been nothing but helpful to us. 5/5

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