The MS17825-3 is as the name describes—a self-locking nut with a castellated design; it is composed of steel but also contains a plastic insert. Read the specs below for more information.
Unless otherwise noted, values are in inches
Thread Class: 3B
Thread Direction: Right-hand
Locking Feature: Prevailing torque with nonmetallic insert
Nut Style: Hexagon, castellated
Nut Height Range: .235 to .265
Width Across Flats: .367 to .376
Nominal Temperature Rating (°F): 250
Thread Series: UNJF
Thread Quantity (per inch): 32
Nominal Thread Size: .190
Bearing Surface Type: Washer faced
Material: Plastic polyamide locking insert
Material: Steel
Surface Treatment: Cadmium and chromate (except insert)
Surface Treatment Document and Classification: QQ-P-416, Type 2, class 3
