MS17349F
REQUIREMENTS:
Design and construction: See figure 1.
Cover type shall be designated as A or B. Type A is used for MS17345, MS17347 and MS17348, and type B is used for MS17343 and MS17346.
Chain shall be passivated stainless steel in accordance with type II, class 3, trade number 8 as specified in RR-C-271 and shall be within one link of length specified. Chain shall move freely on protective cap after assembly.
Cover finish shall be in accordance with MIL-DTL-22992.
Cover shall be marked with the Part or Identifying Number (PIN) only when procured as a separate part.
PIN example:
MS17349 C 28 A
MS number
Finish Cover size Type (A or B)
Qualification:
Visual and mechanical examination. Magnetic permeability.
Water immersion.
Salt spray (corrosion). Tensile.
Air leakage.
Group A sampling plan: Lot and sample sizes shall be as specified in table I. Samples shall be randomly selected from the lot. If one or more defects are found, the lot shall be rescreened and defects removed. A new sample as specified in table I shall then be randomly selected. If one or more defects are found in the second sample lot, the lot shall not be supplied to this specification.
TABLE I. Group A sampling plan.
Lot size |
Sample size |
1 to 13 14 to 150 151 to 280 281 to 500 501 to 1,200 1,201 to 3.200 |
100 percent 13 units 20 units 29 units 34 units 42 units |
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