MIL-S-45387 Springs, Torsion Bar, SuspensionThis specification covers straight, solid, circular cross-section, torsion-bar springs.

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MIL-S-45387B(AT)

4.3.3.2 Classification of characteristics.

Table I. Classification of defects.

Categories Major AQL 1.5 Percent Method of

Inspection

Defective

Critical 100.	Hardness		None defined	Hardness tester
101.	Major diameter serrations		See 4.3.3.3	See 4.3.3.3
102.	Minor diameter serrations		See 4.3.3.3	See 4.3.3.3
103.	Minimum diameter tooth thickness		See 4.3.3.3	See 4.3.3.3
104.	(a) (b) (c) (d) (e)	Tooth profile error Lead error Comulative tooth spacing error Out of roundness True involute form	See 4.3.3.3 See 4.3.3.3

diameter

105. Depth and location of See 4.3.3.3 See 4.3.3.3 removed tooth (both

ends)

106. Parallelism of serrations See 4.3.3.3 See 4.3.3.3 with centerline of bar

107. Location of (2) in-line teeth See 4.3.3.3 See 4.3.3.3

108. Body diameter SIE

109. Blend radii (both ends) SIE

110. Nicks, scratches, tool marks

………….. Visual

111. Shot peening intensity ………….. Visual

Almen strip

112. Priming ………….. Visual

113. Protective tape omitted ………….. Visual