117990

Key, Woodruff

Part number

117990

NSN

5315-00-011-7990

NIIN

00-011-7990

Item name

Key, Woodruff

Manufacturer

Army Weapons Command

CAGE code

21450

FSC

5315

Unit of issue

EA

DEMIL code

A

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Alternate part numbers

• 117990 CAGE 21450
• MS35756-40 CAGE 80205
• MS35756-40 CAGE 96906

Technical characteristics

Circle Diameter

1.240 inches minimum and 1.250 inches maximum

Thickness

0.2188 inches minimum and 0.2198 inches maximum

Starting Edge Radius

0.010 inches minimum and 0.020 inches maximum

Key Size Designation

Woodruff 20

Key Height

0.542 inches minimum and 0.547 inches maximum

Hardness Rating

40.0 rockwell C minimum overall and 50.0 rockwell C maximum overall

Starting Edge Shape

Round

Material

Steel comp 4130 overall or steel comp 8630 overall or steel comp 2330 overall

Material Document and Classification

QQ-S-624 fed spec all material responses overall or 66 fed std all material responses overall

Style Designator

Round bottom

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