Home » NAS1291C7M Self-Locking Extended Washer Nut
NAS1291C7M Self-Locking Extended Washer Nut
NAS1291C7M Self-Locking Extended Washer Nut (2)
NAS1291C7M Self-Locking Extended Washer Nut (3)
NAS1291C7M Self-Locking Extended Washer Nut (4)
NAS1291C7M Self-Locking Extended Washer Nut
NAS1291C7M Self-Locking Extended Washer Nut (2)
NAS1291C7M Self-Locking Extended Washer Nut (3)
NAS1291C7M Self-Locking Extended Washer Nut (4)

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NAS1291C7M Self-Locking Extended Washer Nut

Product Series
NAS
ECCN
EAR99
Schedule
7318.22.0000
Unit of Measure: EA

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Material
Steel or iron alloy 660
Thread Class
3b
Thread Series
Unjf (fine thread with external controlled root radius)
Thread Size
0.438 inches
Countersink Angle
120 degrees nut
Locking Feature
Prevailing torque all metal design
Material Specification
Ms5525 military standard 1st material response or ams 5732 assn standard 2nd material response or ams 5735 assn standard 2nd material response
Nut Style
Hexagon
Overall Height
Between 0.313 inches and 0.328 inches
Specification Data
80205-nas1291 government standard
Tempurature Rating
450 degrees fahrenheit
Thread Direction
Right-hand
Thread Qty Per Inch (tpi)
20
Washer Outside Diameter
0.708 inches
Washer Thickness
0.035 inches
Width Across Flats
Between 0.494 inches and 0.504 inches
Lubrication
Dry film lubricant