Insert – 303 CRES
Keys- 302 CRES
Tolerances: ±.25 mm unless specified otherwise
Internal Threads: Per Fed Std. H28/21, MJ Form
Dimensions: All dimensions below are in millimeters
Keys: Inserts with an internal thread size of M6 and smaller are furnished with 2 locking keys. Larger sizes have 4 locking keys.
Material Identification Mark: None
Lubrication: Dry Film Lube on Self-Locking Inserts only
Performance: There is no National Aerospace Standard for Metric Keylocking Inserts manufactured from 303 CRES. The inserts are compliant with the other requirements of NA0147, NA1049, and NA0151 except for any references to the type of material or performance related to the material.