Step Block ... Κ-9 1620, 1621 A 1270 Section Κ 214 A 1270
Κ-18 3600 Κ 1348 A 1270
Step Block ... Κ-19 3714, 3715 A 3326 Κ 1348 A 1270 A 3327 Κ 3670 A 3326 A 3327
Step Block. Orthostate Block ... Κ-19 3716, 3717 A 3328 Κ 1348 A 1270 A 3329 Κ 3669 A 3325 A 3328 A 3329 ... August 1961
Κ-19 Κ 2740 T 3282 Κ 2741 A 2314 Κ 2743 A 2315 Κ 2748 P 23258 Κ 2753 A 2316 Κ 2754 A 2317 Κ 2759 A 2343 Κ 2828 A 2420 Κ 3013 A 2438 Κ 1347 A 1269 Κ 1348 A 1270 Κ 3028 T 3357 Κ 3111 A 2464 Κ 3197 A 2467 ...