1、b MIL-F-24724 (2) = 9999906 1489428 1Ob a MIL- F-24724 (SH) AMENDMENT 2 36 October 1097 SUPERSEDINC AMENDMENT 1 2 June 1992 MILITARY SPECIFICATION FILTER HOUSINGS (HYDRAULIC) AND DIFFERENTIAL PRESSURE INDICATORS, GENERAL SPECIFICATION FOR This amendment forms a part of MIL-F distribution is un 1 of
2、2 a Licensed by Information Handling ServicesMIL-F-24724 (2) M Ob 1489429 042 M MIL-F-24724(SH) AMENDMENT 2 PAGE 8 4.3; Delete and substitute: “4.3 mification in sttection. Qualification inspection shall be conducted at a laboratory acceptable to the qualifying activity. shall consist of the examina
3、tion and tests specified in table I. housing, tests shall be performed in the general sequence shown in table I unless otherwise approved by the procuring activity. Failure of any test shall be cause far rejection. I Qualification inspection For each PAGE 10 4.5.1: Ilor an equivalent petroleum base
4、oil at 68 centistokes.“ Add the following at the end of the sentence: PAGE 11. 4.7.1.4, Delete and substitute: “4.7.1.4 Fatigue imDulse test. The filter housings, bypass relief valves, and differential pressure indicators shall be tested in accordance with NFPA T2.6.1 R1 to obtain a 90 percent assur
5、ance level and a 90 percent verification level that the rated fatigue pressure is not less than the rated operating pressure. impulse testing shall not be considered as a test failure. or malfunction shall be cause for failure.“ Seals may be replaced during the test. The replacing of seals during Any evidence of damage 4.7.1.5.1, line 11: Delete olO“ and substitute “25“. Preparing activity: (Project 4330-N098) Navy - SH 2 a 0 i I a1 i t I Licensed by Information Handling Services