MS35308 screw — hexagon

Notes from the standard

• Magnetic permeability: 2.0 maximum (air = 1.0) for a field strength of H = 200 oersteds, measured with a magnetic indicator (MIL-I-17214; Amendment 1: ASTM B342).
• Thread length: minimum thread length is twice the diameter plus 1/4 in; tolerance plus 3/16 in or 2-1/2 threads, whichever is greater. On screws too short for the minimum thread lengths, the distance from the bearing surface of the head to the first complete thread shall not exceed the length of 2-1/2 threads for sizes up to and including 1 in and 3-1/2 threads for sizes larger than 1 in.
• Head marking per MIL-HDBK-131; raised markings are preferred, stampings are acceptable.
• All dimensions are in inches unless otherwise specified. Breaking strengths are calculated by the stress areas in Handbook H28.
• Interchangeability (Table III, sheet 3): the screws of the original issue (dash numbers 1 to 283) are canceled after 10 May 1963; each canceled dash number is replaced by the new dash number printed beside it (the new number is always the old one plus 300). The canceled screws cannot always replace the new ones and are used until existing stocks are depleted.
• The scan of this sheet is of poor quality: dimension and tensile values were read by magnification; the 1-1/4 tensile value is not legible (null) and some last digits are blurred (see internal verification record).