Military Standard MS21044N5 Steel Nut, Self-Locking, Hexagon

Provided in the name, the MS21044N5 is identified as a self-locking nut made of steel. It has the following specs:

*Unless otherwise noted, values are in inches

• Material:Steel (Composition 1213 or 1035 or 1018 or 1015 or 1010 or 1009 or 1008 or 1006 or 11L37 or 12L14)
• Material Document and Classification: QQ-A-200/2, T6 or QQ-A-225/5, T4 or QQ-A-225/6, T6 QQ-A-200/11, T6
• Surface Treatment (except insert): Cadmium and chromate
• Surface Treatment Document and Classification: QQ-P-416, Type 2, Class 3
• Thread Class:3B
• Thread Direction: Right-hand
• Locking Feature:Prevailing torque with nonmetallic insert
• Lubrication:Soluble lubricant
• Nut Style:Hexagon
• Nominal Nut Height Range (cm):.271 to .360
• Width Across Flats: .492 to .502
• Nominal Temperature Range (°F): 250
• Thread Series: UNJF
• Thread Quantity (per inch): 24
• Nominal Thread Size: .312
• Nominal Countersink Angle: 88 degrees
• Bearing Surface Type:Chamfered or washer faced