MIL-DTL-45952A
2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of
a conflict between the text of this document and the references cited herein, the text of this
document takes precedence. Nothing in this document, however, supersedes applicable laws
and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Specification Sheet. The individual item requirements shall be as specified herein and
in accordance with the specification sheet, MIL-P-45952/1.
3.2 Material. Pins shall be made from the materials in 3.2.1 or 3.2.2, as specified in
MIL-P-45952/1.
3.2.1 Alloy steel.
3.2.1.1 Head and shank. When using one-piece construction, the head and shank shall be
4130 alloy steel in accordance with SAE AMS-S-6758. The shank shall be heat treated in
accordance with SAE AMS-H-6875 to meet the mechanical properties specified in3.3. When
using two-piece construction, the shank shall be 4130 alloy steel as specified above and the
head shall be carbon steel in accordance with ASTM A108.
3.2.1.2 Balls. The balls shall be 440C corrosion-resisting steel in accordance with SAE
AMS-QQ-S-763.
3.2.1.3 Spring and ring. The spring and ring shall be carbon steel music wire in
accordance with ASTM A228/A228M.
3.2.2 Corrosion-resisting steel.
3.2.2.1 Head and shank. The head and shank shall be corrosion-resisting steel, 300
Series, in accordance with SAE AMS-QQ-S-763, ASTM A484/A484M or ASTM A582/A582M.
3.2.2.2 Balls. The balls shall be 440C corrosion-resisting steel in accordance with SAE
AMS-QQ-S-763.
3.2.2.3 Spring and ring. The spring and ring shall be corrosion-resisting steel wire, 300
Series, in accordance with ASTM A313/A313M or ASTM A580/A580M.
3.3 Mechanical Properties.
3.3.1 Tensile Strength. Alloy steel shanks shall be heat treated to 160,000-180,000 PSI
tensile strength.
3.3.2 Double-shear strength. Pins shall be capable of withstanding, without failure, the
double-shear strengths specified in MIL-P-45952/1.
3.4 Protective finish.
3.4.1 Cadmium. Alloy and carbon steel parts shall be cadmium plated in accordance with
SAE AMS-QQ-P-416, Type II, Class 2 or cadmium coated in accordance with SAE AMS-C-
81562, Type II, Class 2.
3.4.2 Passivation. Corrosion-resisting steel parts shall be passivated in accordance with
SAE AMS2700.
3.4.3 Zinc Nickel plating. As an alternative to Cadmium plating, carbon steel inserts may
be ZnNi plated in accordance with ASTM F1941 Fe/Zn-Ni 8ET alkaline zinc nickel electroplate,
12%-16% mass percent nickel, with chemical conversion coating per MIL-DTL-5541 TYPE II
CLASS 1A.
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