MS21044N18

Nut, Self-Locking, Hexagon

Part number

MS21044N18

NSN

5310-00-982-6811

NIIN

00-982-6811

Item name

Nut, Self-Locking, Hexagon

Manufacturer

E.C.A Etablissement Central DES

CAGE code

SCY13

FSC

5310

Unit of issue

EA

DEMIL code

A

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Alternate part numbers

• 5310009826811 CAGE SCY13
• F52NE-182 CAGE 019L2
• F52NE-182 CAGE 72962
• MS21044N18 CAGE 80205
• MS21044N18 CAGE 96906

Technical characteristics

Thread Class

3B

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Lubrication

Soluble lubricant

Nut Style

Hexagon

Nut Height

1.130 inches minimum and 1.266 inches maximum

Width Across Flats

1.614 inches minimum and 1.627 inches maximum

Temp Rating

250.0 deg fahrenheit nominal

Thread Series

UNF

Thread Quantity per Inch

12

Nominal Thread Size

1.125 inches

Countersink Angle

88.0 degrees nominal nut

Bearing Surface Type

Chamfered or washer faced

Bearing Surface Finish

125.0 microinches

Material

Steel comp 1006 nut or steel comp 1008 nut or steel comp 1009 nut or steel comp 1010 nut or steel comp 1015 nut or steel comp 1018 nut or steel comp 1035 nut or steel comp 11L37 nut or steel comp 1213 nut or steel comp 12L14 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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