NAS1291C4M Nut

Part#: NAS1291C4M NSN: 5310-00-894-3637

About this product thread 1/4-28. * Manufacturer certifications are shipped with your order FREE of charge

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Product Details

Part Number or Model	NAS1291C4M
Description	Nut
Schedule B Class
ECCN (Export Control Class)	EAR99
Thread Size	0.250 inches
Thread Series	Unf
Thread Qty Per Inch (tpi)	28
Thread Class	3b
Thread Direction	Right-hand
Tempurature Rating	550 degree fahrenheit nominal
Surface Treatment	Passivate
Overall Height	0.205 inches minimum and 0.219 inches maximum
Nut Style	Hexagon
Material	Steel corrosion resisting
Locking Feature	Prevailing torque all metal design
Washer Outside Diameter	0.420 inches maximum
Washer Thickness	0.019 inches minimum
Width Across Flats	0.305 inches minimum and 0.316 inches maximum

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