NATO Stock Number
5310-01-522-7877
Sold in multiples of
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Washer Outside Diameter
1.209 inches
Counterbore Diameter
0.760 inches first end and 0.770 inches first end
Overall Height
Between 0.802 inches and 0.822 inches
Nut Style
Flat with turned back edge
Nut Height
0.170 inches
Nut Counterbore Depth
0.387 inches first end and 0.407 inches first end
End Application
C-130j-30 aircraft flight controls
Width Across Flats
Between 0.990 inches and 1.002 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
18
Thread Size
0.625 inches
Part Name Assigned By Controlling Agency
Nut, hexagon, castellated captive washer, nylon inser, 250 degrees f
Material
Aluminum alloy 2024 washer and aluminum alloy 7075 washer
Material
Plastic polyamide locking insert
Material
Steel nut
Material Specification
Ams 5024 assn standard 1st material response nut or ams 5020 assn standard 2nd material response nut or ams 6322 assn standard 3rd material response nut or ams 6323 assn standard 4th material response nut or ams 6325 assn standard 5th material response nut or ams 6327 assn standard all material responses nut or ams 6358 assn standard 6th material response nut
Material Specification
Qq-a-225 federal specification 1st material response washer or qq-a-250 federal specification 2nd material response washer
Surface Treatment
Cadmium nut
Surface Treatment Specification
Mil-c-5541 military specification single treatment response washer
Surface Treatment Specification
Qq-p-416, type ii, class 2 federal specification single treatment response nut
Supplementary Features
Lockheed technical manual aap7211.031-4-27
