Part no. 식별법 / MA / MS / NAS SPEC
Insert Selection (Coil 길이 선정) for Metric, UNC& UNF
Insert Demension (Coil 치수) for Metric,UNC& UNF
Locking torque for Metric, UNC & UNF
Insert Material & its temperature range
Corrossion Protection
MS/NAS Standards NASM Standards Standards Coverage
            AS7245             unchanged      Insert, Screw Thread, Helical Coil,
     Corrosion Resistant Steel
            MIL-I-8846             NASM8846      Inserts, Screw Thread, Helical Coil -
     Procurement Spec
            MIL-L-46010             unchanged      Dry Film Lubricant (Type I) - Optional
     coating.
            MIL-T-21309             unchanged      Tools for Inserting and Extracting Helical
     Coil Inserts
            MS122076 series             NASM122076 series      Insert, Corrosion Resistant Helical
     Coarse Thread
            MS124651 series            NASM124651 series      Insert, Corrosion Resistant Helical Fine
     Thread
            MS21208*              superceded
            (see * below)
     Insert-Screw Thread Free Running
     (Superceded by NASM122076 and
     NASM124651 series)
            MS21209             NASM21209      Insert-Screw Thread Screw-Locking
            MS33537             NASM333537      Assembly and Dimensions, Helical Coil
     Insert
            NAS1130             unchanged      Tangless Inserts, Free-Running and
     Locking
            QQ-P-416             unchanged      Cadmium Plating (Type II) - Optional
     coating
     * MS21208 was superceded by MS122076 & MS124651 series, and subsequently
        superceded by NASM122076 & NASM124651 series.
MA Standards Standards Coverage
            MA1565             Procurement Standard, Metric Helical Coil Insert
            MA1567             Assembly Dimensions, Metric Helical Coil Insert
            MA3279             Inserts, Metric, Free-Running, Helical Coil, Uncoated
            MA3280             Inserts, Metric, Free-Running, Helical Coil, Lubricated
            MA3281             Inserts, Metric, Free-Running, Helical Coil, Cadmium Plated
            MA3329             Inserts, Metric, Locking, Helical Coil, Uncoated
            MA3330             Inserts, Metric, Locking, Helical Coil, Lubricated
            MA3331             Inserts, Metric, Locking, Helical Coil, Cadmium Plated