1521-720

Spring, Helical, Compression

Part number

1521-720

NSN

5360-00-119-6391

NIIN

00-119-6391

Item name

Spring, Helical, Compression

Manufacturer

Woodward Governor Company

CAGE code

66503

FSC

5360

Unit of issue

EA

DEMIL code

A

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Alternate part numbers

• 1521-720 CAGE 66503

Technical characteristics

Inside Diameter

0.190 inches minimum and 0.210 inches maximum

End Style

Spring end, squared and ground both ends

Spring Free Length

0.334 inches minimum and 0.354 inches maximum

Coil Quantity

5.5

Spring Solid Length

0.247 inches maximum

Spring Solid Outside Diameter

0.300 inches nominal

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

110.000 pounds per inch nominal

Spring Free Outside Diameter

0.280 inches minimum and 0.300 inches maximum

Material

Steel comp 631 overall

Material Document and Classification

Ams 5673 assn std single material response overall

Surface Treatment

Passivate overall

Style Designator

Cylindrical

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