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Helical Compression Spring Seat

Model / MPN: 3837102-1 | NSN: 5340-01-212-6556
ITAR Registered seal

A circular item, usually having a flat or grooved flange, bos (es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a retainer, helical compression spring. Excludes washer (1), (as modified) ; seat, ball socket and holder, spring. See also rotor, engine poppet valve.

Product Details
NATO Stock Number
5340-01-212-6556
Sold in multiples of
1 EA
DEMIL
NO
Overall Height
0.6250 inches
First Step Diameter
Between 0.2850 inches and 0.2900 inches
First Step Length
0.0800 inches
Second Step Diameter
Between 0.5550 inches and 0.5600 inches
Second Step Length
0.0700 inches
Third Step Diameter
0.7500 inches
Bore Diameter
Between 0.2010 inches and 0.2030 inches
End Application
Flap cont roller, hyd
Material Hardness Rating
Between 49.0 rockwell c and 53.0 rockwell c
Design Type
Solid
End Diameter
Between 0.2750 inches and 0.2800 inches
Distance From End To First Step
0.4150 inches
Material
Steel, qq-s-763
Material
Steel comp 202 or steel comp 302 or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 322 or steel comp 324 or steel comp 347 or steel comp 633 or steel comp 634 or steel comp 403 or steel comp 405 or steel comp 410 or steel comp 414 or steel comp 416 or steel comp 416se or steel comp 420 or steel comp 430 or steel comp 430f or steel comp 430fse or steel comp 431 or steel comp 440a or steel comp 440b or steel comp 440c or steel comp 440f or steel comp 440fse or steel comp 446
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Ps13001, mcdonnell douglas corporation mfr ref single treatment response
Surface Treatment
Passivated, ps13001, mcdonnell douglas corp
3837102 Series Parts

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3837102-1 Cross Reference
  • 3837084-1