Spec hardware, served at warp speed.

nuts › self-locking hexagon nuts

MS16228-5C

Military Standard Locking Hexagon Nut Self

View quote list → Saved parts →

Description

Nuts

Specifications

Countersink Angle 88.0 degrees
Locking Feature Prevailing torque with nonmetallic insert
Material Plastic
Material Specification 66 federal standard all material responses nut, Type 1 military specification single material response locking insert comp a mil-m-20693
Nut Height Between 0.298 inches and 0.328 inches
Nut Style Hexagon
Surface Finish 125.0 microinches
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 federal specification single treatment response nut
Temperature Rating 250 degrees fahrenheit
Thread Class 3b
Thread Direction Right-hand
Thread Qty Per Inch (tpi) 18
Thread Series Unc (coarse thread)
Thread Size 0.312
Width Across Flats Between 0.553 inches and 0.564 inches

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

No interchangeable or dimensionally similar parts are on record for MS16228-5C. Try the cross-reference lookup to search by a different part number.

Catalog data updated 2026-07-05. Report a data error