MS21044B5

Nut, Self-Locking, Hexagon

Part number

MS21044B5

NSN

5310-00-982-6806

NIIN

00-982-6806

Item name

Nut, Self-Locking, Hexagon

Manufacturer

Harvard Industries Inc.

CAGE code

72962

FSC

5310

Unit of issue

EA

DEMIL code

A

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Alternate part numbers

• MS21044B5 CAGE 80205
• MS21044B5 CAGE 96906
• Y92NE-054 CAGE 72962

Technical characteristics

Thread Class

3B

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Lubrication

Soluble lubricant

Nut Style

Hexagon

Nut Height

0.271 inches minimum and 0.360 inches maximum

Width Across Flats

0.492 inches minimum and 0.502 inches maximum

Temp Rating

250.0 deg fahrenheit nominal

Thread Series

UNJF

Thread Quantity per Inch

24

Nominal Thread Size

0.312 inches

Countersink Angle

88.0 degrees nominal nut

Bearing Surface Type

Chamfered or washer faced

Bearing Surface Finish

125.0 microinches

Material

Copper alloy 360 nut or copper alloy 260 nut

Surface Treatment

Cadmium overall except insert

Surface Treatment Document and Classification

QQ-P-416, ty 2, cl 3 fed spec single treatment response overall except insert

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