ARMY MIL-F-44434 (2)-1994 FLASHLIGHT LIGHTWEIGHT《轻型手电筒》.pdf

1、MIL-F-4443LI (2) 9999706 1986978 04T MIL-F-44434 (a) AME“T2 9 Auqust 1994 SUPERSEDING AME“T1 12 August 1992 MILITARY SPECIFICATION Tkis amenchnent fom a part of MIL-F-44434 (CL), dated 17 January 1992, and is approved for use by the Department of the Army and is available for use by all Departments

2、and Agencies of the Departmnt of Defense. PAGE 2 2.1.1: Delete “MiL-B-18/7 - Battery, Dry, BA-27“ and add “MiL-B-49030/6 - Battery, Dry, BA-3058AJ“. Add “MIL-C-44031 - Cloth, Camouflage Pattern, woodland, Cotton and Nylon“ 2.2: Delete “D 2000 - Standards Classification . Application“. PAGE 3 3.4: De

3、lete the last sentence. 3.4.1, line 4: Delete render the flashlight unserviceable“ and substitute “interfere with the proper operation of the flashlight“. PAGE 4 3.6: Delete and substitute: “3.6 Watertiuhtness. With the filter detent mechanism positively positioned in either filter mode (no filter o

4、r red filter), the flashlight shall be watertight and shall show no evidence of misture within the interior cavities when tested as specified in 4.4.2.12. operate nomlly (turn on and off and switch between red and white light) when tested as specified in 4.4.1.12. flashlights, where necessary, to pr

5、event the entrance of misture into the interior cavities or into the switch cantacts.“ The flashlight shall Gaskets shall be provided on all AMSC N/A 1 of 5 FSC 6230 DISRBVTION STATEMENI? A. Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesMIL-F-44434

6、(CL) AMENDMENT2 PAGE 4 (contd) 3.7, lines 5 and 6: Delete “or other apprwed mansi and substitute mechanism“. II At the end of the paragraph: Add “With the filter in place, only red light shall be emitted.“ 3.8, line 2: Delete “shall be able to be held and“ and substitute “filter detent mechanism as

7、well as the on-off switch must be able to be held and“. Line 10: Delete “4.2.2“ and substitute “4.4.2“. 3.9, line 1, after “construction“: Delete “and shall“ and substitute I , mde of corrosion resistant metal, and I. Line 2, after the first sentence: Add “The lanyard ring shall have two modes of op

8、eration: one where it is in use and free to rotate around its attachment and another rnode where it is not in use and is seated finnly in its recess.“ 3.10, line 3, after “inverted“: Insert “(see 4.4.2.11)“. 3.11, line 2 : Delete “MiL-B-18/7“ and substitute WL-B-49030/6“. 3.12, line 2: Delete “0.2 p

9、ounds1f and substitute “3.2 ounces1g. 3 13: Delete and substitute: “3.13 Size/Confisuration. The flashlight shall be configured as shown in figure 1. The flashlight shall be cylindrical in shape with a total volunie not to exceed 5.0 cubic inches, and shall have a maXinann overall lengLh of 6.5 inch

10、es. The body (battery housing) and lamp head shall have maximum diameters of 0.85 and 1.135 inches respectively. The lanyar ring shall be attached to the body at the end opposite the lanp head. The pocket clip shall have at least 1 inch of reach. The near end of the pocket clip shall be attached to

11、the body at a point between 2.0 inches and 2.5 inches fran the lamp head end of the flashlight. The switch shall be located on the outside of the body of the flashlight directly behind the head of the flashlight as shown in figure 1.“ PAGE 7 4.4.2, table II: Add the follawing to the table: “Watertig

12、htness 3.6 4.4.2.12 Detent mechanism 3.8 4.4.2.10 Pocket clip 3.10 4.4.2.11“. 2 Licensed by Information Handling ServicesMIL-F-44434 (CL) AMEmmNr2 PAGE 7 (contd) 4.4.2.2, line 3, after “vigorously“: Insert “in a horizontal and then a vertical direction“. Line 3, after “position.“: Insert “Shake vigo

13、rously shall be defined as mving back and forth between 6 and 12 inches at a rate of 180 cycles per minute for 1 minute. PAGE 8 4.4.2.5, line 2: Delete fresh“ and substitute “fully charged“. 4.4.2.7, line 5, after “lamp,“: insert “or lamp filament“. 4.4.2.8, line 4: Delete “The flashlight shall then

14、 be canpared with untested flashlights“ and substitute “The same flashlight shall be compared before and after environmental conditioning“. Add the following new paragraphs: “4.4.2.10 Detent mechanism test. The detent mechanism of the flashlight shall be tested by cycling the red filter for 2500 con

15、tinuous cycles at 15 to 20 cycles per minute. mechanism so that the red filter is positively in position over the lamp and reversing the action so that the red filter is positively retracted out of position. This test shall be conducted with the switch in the “on“ position with the light being emitt

16、ed fmm the flashing helping to determine if the filter is in place as well as the actuating of the detent mechanism. detent mechanism shall be operated under normal electrical conditions, and the lamp and batteries shall be replaced as often as required to ensure that the detent mechanism is operati

17、ng throughout the 1500 cycles. the hlb shall not constitute a failure of this test. Failure of the detent mechanism to position the filter over the lamp or retract the filter shall constitute failure of this test. A cycle shall consist of actuating the detent The Wirning out of 4.4.2.11 Pocket clip

18、test. The strength of the pocket clip shall be tested to ensure retention of the flashlight in pockets mde of lightweight material. be inserted fully between the pocket clip and the flashlight bcxy. suitable test instrument shall be used to measure the force required to pull the fabric out fmn under

19、 the pocket clip. straight and parallel direction to ensure the fabric is pulled out in the same direction as it will be in actual service. at a rate of 12 inches per minute. pull out the fabric shall constitute failure of this test. A single layer of cloth conforming to class 2 of MIL-C-44031 shall

20、 A The fabric shall be pulled in a The fabric shall be pulled Force less than 0.30 pounds required to 3 Licensed by Information Handling ServicesMIL-F-44434 (2) W 9999906 l198b98L 634 W MIL-F-44434 (GL) AME“T2 PSE 8 (contd) 4.4.2.12 Watertiuhtness test. This test shall be run twice. !Che flashlight

21、shall be allowed to cqletely dry between tests. shall be run with the filter detent mechanism positively positioned so that non-filtered light is emitted. detent lmchanl sm positively positioned so that only filtered light is emitted. assembled. if designed to be tightened. good seal without damagin

22、g or unriuly rompressing the gasketing material. suimerge flashlight in water at roam temperature (77% f 5%) for one-half hour at a depth of 6 inches. outside dry, and inspect. this test. The first test The second test shall be run with the filter The flashlight, carqilete with bulb and batteries, s

23、hall be All threaded, gasketed interfaces shall be assanbled hand tight Hand tight shall be tight enough to ensure a Remove the flashlight, wipe the Nonconfonnance to 3.6 shall constitute failure of custodian: Preparing activity: Army-= (Project 6230-A323) 4 Licensed by Information Handling ServicesC cn w I- o 7 o, rii J o I- W Y o O a MIL-F-44434 (2) 9999906 1986982 570 I o t- 3 m U MIL-F-44434 (a) -2 5 I O W r a W D 5 n I II m 4 I LL Licensed by Information Handling Services