RR-S-550E
TABLE VII. Wire rope closed bridge sockets, type E.
Size (rope diameter) Inches |
Minimum dimensions (inches) |
Approximate weight, in lbs. |
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Depth of zinc bowl |
U-bolts |
Assembled socket only |
Additional foot of bolt length |
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Diameter |
Length |
Take-up |
C/C distance |
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A |
B |
C |
D |
E |
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5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2 1-5/8 1-3/4 1-7/8 2 2-1/8 2-1/4 2-3/8 2-1/2 2-5/8 2-3/4 2-7/8 3 |
3-1/4 3-3/4 4-1/4 5 5-1/2 6 6-1/2 7 7 8 8 9 10 10 11 11 12 12 12-1/2 13 |
7/8 1 1-1/8 1-1/4 1-3/8 1-1/2 1-3/4 2 2 2-1/4 2-1/2 2-1/2 2-3/4 2-3/4 3 3 3-1/4 3-1/4 3-1/2 3-1/2 |
15 16 17 18 22 24 26 30 30 33 33 38 39 40 42 42 42 42 44 44 |
8 9 9 9 12 12 12 15 15 15 18 18 18 18 18 18 18 18 18 18 |
3-1/2 4 4-1/2 5 5-1/2 6 6-1/2 7-1/8 7-1/8 8-1/4 8-1/4 9-1/2 10-1/4 10-1/4 11-1/4 11-1/4 12 12 13-1/2 13-1/2 |
16 20 28 38 55 75 97 125 145 185 220 290 320 380 450 525 580 630 690 750 |
5.5 5.5 7 7 10 12 16 21 21 27 33 33 40 40 48 48 56 56 66 66 |
3.4 Galvanizing. Wire rope sockets with finish 2 shall be galvanized (zinc-coated) by the hot-dip galvanizing process
ASTM A653/A653M. The sockets shall be galvanized in accordance with the requirements of ASTM A153/A153M.
3.4.1 Galvanizing bolts and nuts. Eyebolts and U-bolts and nuts in sockets with finish 2 shall be galvanized after threading or tapping. Nuts may be re-tapped after galvanizing.
3.5 Marking for identification. Each socket shall be plainly marked or branded with its PIN, manufacturer's name or trademark in accordance with MIL-STD-129.
3.6 Magnetic particle inspection. Type A and B, finish 1, class 2 sockets shall be completely magnetic particle inspected in accordance with ASTM A275/A275M. (see 3.2.1 and 3 .2.1.1).
3.6.1 Repairs. Sockets may be repaired by grinding providing the following requirements are met:
3.6.1.1 Blending repaired areas. Repaired areas shall be blended into the surrounding material.
3.6.1.2 Uniformly contoured. Changes of section shall be uniformly contoured.
3.6.1.3 Grinding depth. The maximum depth of grinding shall be in accordance with 3.6.2.3 and 3.6.2.4.
3.6.2 Rejection criteria.
3.6.2.1 Discontinuities. Indications of discontinuities 1/16-inch and larger shall be investigated by grinding to determine their depth.
3.6.2.2 Measuring depths. Depth measurements shall be made from the surface of the forging using an appropriate mechanical measuring device.
3.6.2.3 Rejecting sockets. Sockets shall be considered rejectable if the depth of any individual discontinuity extends below the minimum allowable dimension as specified table I or table IV.
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