Hydrostatic test of cartridge case

Page Title: Hydrostatic test of cartridge case
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MIL-C-50527 (MU)

4.4.1 Salt spray. -The test panels and/or parts shall be

tested as specifiedin Standard FED-STD-151, Method 811, (5 percent

salt spray test).

This shall be conducted for 420 hours.

4.4.2 Hydrostatic test of cartridge case.- The sample cartridge

case, less vent holes, shall be placed in a fixture as shown on the

Equipment List. The protrusion inside of the case shall not be

supported. The fixture shall be placed In a press and a load

applied until the required pressure is reached. The ram shall be

applied at a rate not exceeding 0.25 inch per minute. This test is

a destructive test. Parts so tested shall not be returned to the

lot. This test does not apply if the alternative constriction

is applied.

4.4.3 Total vent hole area (alternate method).- The cartridge

case shall be inspected for total vent hold area using the equipment

specified on the Equipment List. This test is a non-destructive test

Parts so tested may be returned to the lot.

4.4.4 Hardness.- The test shall be conducted in accordance with

Method 243 of Federal Standard No. 151. This is a non-destructive

test. Parts so tested may be returned to the lot.

5.1 Preservation and Packaging.-

5.1.1 Level C -Minimum Military Package.- The case cartridges

shall be packed for shipment in accordance with Dwg. 9223934.

5.2

Packing.-

5.2.1 Level C - Minimum Military Package.- The case cartridge

packed for shipment as specified in 5.1.1 shall be packed in accordance

with Dwg. 9223935.

5.3 Marking.-Marking of the cartons shall be in accordance with

Dwg. 9223934.

5.4 Shipping.-When shipments of more than one lot are made on a

carload, each lot must be kept separated and the dimension between

lots clearly indicated to prevent mixing in transit.

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