NATO Stock Number
5120-00-937-2261
Sold in multiples of
1 EA
DEMIL
NO
Overall Length
Between 1.859 inches and 1.891 inches
Outside Diameter
Between 1.109 inches and 1.141 inches
End Application
Helicopter 250
Opening Diameter
Between 0.862 inches and 0.866 inches
Lug Width
Between 0.155 inches and 0.160 inches
Lug Length
Between 0.190 inches and 0.210 inches
Drive Surface Size
0.503 inches single end and 0.511 inches single end
Drive End Shape
Square single end internal
Angle Between Lugs
Between 89.0 degrees and 91.0 degrees
Functional Description
Wrench-bearing locknut, gas producer, replmt of 1st stage turbine nozzle
Material
Steel comp 4340
Material Specification
Fed standard 66 federal specification single material response
Surface Treatment
Nickel or phosphate or oxide
Surface Treatment Specification
Ams 2500 assn standard single treatment response
Style Designator
Lug
