MS21255U
11. The parts covered by dash numbers shown on AN170 are canceled after
10 December 1971. Steel, carbon and alloy MS21255 parts are inactive for new design. Use only 17-4 PH stainless steel parts for new design and replacement for comparable alloy and carbon steel MS21255 parts and AN170 parts. The canceled AN170 parts and alloy and carbon steel MS21255 parts cannot replace comparable 17-4 PH stainless parts and should be used until existing stock is depleted. Substitution shall be in accordance with table II.
TABLE II. Substitution table.
PART NUMBERS |
||
Canceled part AN170 |
Inactive part MS21255 |
17.4 PH Stainless steel part |
Dash number |
Dash number |
Dash number |
5LS |
None |
None |
5RS |
None |
None |
8LS |
2LS |
C2LS |
8RS |
2RS |
C2RS |
None |
2LL |
C2LL |
None |
2RL |
C2RL |
16LS |
3LS |
C3LS |
16RS |
3RS |
C3RS |
16LL |
3LL |
C3LL |
16RL |
3RL |
C3RL |
22LS |
5LS |
C5LS |
22RS |
5RS |
C5RS |
22LL |
5LL |
C5LL |
22RL |
5RL |
C5RL |
32LS |
5LS |
C5LS |
32RS |
5RS |
C5RS |
32LL |
5LL |
C5LL |
32RL |
5RL |
C5RL |
46LS |
6LS |
C6LS |
46RS |
6RS |
C6RS |
46LL |
6LL |
C6LL |
46RL |
6RL |
C6RL |
61LL |
8LL |
C8LL |
61RL |
8RL |
C8RL |
80LL |
8LL |
C8LL |
80RL |
8RL |
C8RL |
125LL |
9LL |
C9LL |
125RL |
9RL |
C9RL |
175LL |
10LL |
C10LL |
175RL |
10RL |
C10RL |
4
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