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MIL-G-24748 Revision A, January 12, 1994
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GASKETS, METALLIC AND RUBBER, FOR USE IN UNION PIPE FITTINGS 1/4 TO 2-INCH NPS WITH VARIOUS FLUIDS FROM -30 DEG. F (-34 DEG. C) TO 400 DEG. F (204 DEG. C)
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Gaskets defined in this specification are suitable for use as a static seal in union connections in accordance with MIL-F-1183, MIL-F-24227, or similar applications. The gaskets are compatible with the fluid and corresponding temperature range (minimum/maximum) identified in table IV for each type. Where no limitation is provided for a given classification, that type is not recommended for service with the identified fluid. However, selection of any type for a given application is the responsibility of the user and should consider compatibility of all fluids which are or may be introduced into the system. TABLE IV. Recommended gasket application.|
Classification (see 1.2)
         Fluid         --------------------------------------------------------------
                                  Type A                          Type B
    ---------------------------------------------------------------------------------

    Air/gas            −30 °F(−34 °C)/250 °F(121 °C)   −30 °F(−34 °C)/300 °F(149 °C)
    Water              −30 °F(−34 °C)/250 °F(121 °C)   −30 °F(−34 °C)/400 °F(204 °C)1
    Steam                            -                 400 °F(204 °C) maximum1
    Hydraulic fluids   −30 °F(−34 °C)/250 °F(121 °C)                  -

1 Type B gaskets are suitable in steam and water continuous service up
to 400 °F(204°C) and intermittent service up to 425 °F(218°C).


TABLE V. Lot acceptance and rejection criteria.1
Reject number2
                                        ----------------------------------------
    Inspection lot size   Sample size
                                          Quality     Rejected lot
                                        conformance   resubmittal     Packaging
                                        (see 4.4.2)   (see 4.4.3)    (see 4.4.4)
    ----------------------------------------------------------------------------

           2 to 8              2             1             1              1
           9 to 15             3             1             1              1
          16 to 25             5             1             1              1

          26 to 50             8             1             1              1
          51 to 90             13            1             1              2
          91 to 150            20            2             1              2

         151 to 280            32            2             1              3
         281 to 500            50            3             2              4
         501 to 1,200          80            4             3              6

       1,201 to 3,200         125            6             4              8
       3,201 to 10,000        200            8             6             11
      10,001 to 35,000        315           11             9             15

      35,001 to 150,000       500           15            13             22
     150,001 to 500,000       800           22            19             22
      500,001 and over       1,250          22            19             22

1 If the inspection lot successfully passes the table III criteria,
those units found defective during inspection shall be replaced with
acceptable units prior to lot acceptance. For rejected lots, see 4.4.3.

2 Reject number indicates the minimum number of defective units per
sample size needed for rejection of the entire inspection lot. Inspect
the sample size until the reject number is reached.