1、 AMSC N/A FSC 5930 INCH-POUND MIL-PRF-22885/104C 1 April 2008 SUPERSEDING MIL-PRF-22885/104B 1 March 2001 PERFORMANCE SPECIFICATION SHEET PUSHBUTTON, ILLUMINATED, 4 LAMP, SUNLIGHT READABLE (FOR ILLUMINATED PUSHBUTTON SWITCH) This specification sheet is approved for use by all Departments and Agencie
2、s of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-22885. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Metric equivalents are in parentheses. 4. Unle
3、ss otherwise specified, tolerances are .005 (0.13 mm) for three place decimals and .02 (mm) for two place decimals. 5. Index keyway prevents incorrect insertion into MIL-PRF-22885/103 switch housing. 6. Pushbuttons are available with captive pushbutton feature, i.e., pushbutton remains captive to MI
4、L-PRF-22885/103 switch housing during relamping (see figure 2.). FIGURE 1. Pushbutton dimensions and configuration. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/104C 2 FIGURE 2. Captive pushbutton feature. Provided by IHSNot for Resa
5、leNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/104C 3 FIGURE 3. Lamp circuit schematics. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/104C 4 FIGURE 4. Lens configuration and legend areas. Provide
6、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/104C 5 REQUIREMENTS: Design and construction: See figures 1 through 4. Intended use: These pushbuttons are used in conjunction with switch or indicator housings in accordance with MIL-PRF-22885/1
7、03 or multistation housings in accordance with MIL-S-24317/12. They accept four T-1 midget flange base lamps with .15 mean spherical candle power. They are intended for use in illuminated switch/ indicators under high ambient light conditions. Displays with contrast ratios of .6 or higher in lighted
8、 condition and .1 or lower in unlighted condition (see table I) are considered readable under direct sunlight conditions. Classification: Enclosure design: 1 (Unsealed). Temperature characteristic: 1(-55C to +85C). Vibration grade: 3(10 - 2,000 Hz, 15 g peak). Color: See table I. Display type: S (Su
9、nlight readable). H (Hidden legend). Material Pushbutton housing: Aluminum alloy, black anodize finish. Display screen and lamp module: Thermoplastic. Weight: .158 ounce (4.5 grams) 10 percent including lamps. Shock: Method I. Dielectric withstanding voltage: 1,000 V rms sea level. 450 V rms 70,000
10、feet. EMI/RFI shielding: Positive grounding and shielding efficiency test applicable when specified, see table II. See MIL-PRF-22885/103 for minimum shielding attenuation. Illuminated color: See table II. Luminance: See table II (values are for reference only). Sunlight readability: Applicable, exce
11、pt units are tested for 1= 45 and 2= 0 only. (This procedure does not test readability in direct reflected specular sunlight.) See table II for required contrast ratio. Part number: M22885/1-4- (dash number, see table II). Qualification and periodic inspection: Required as a part of MIL-PRF-22885/10
12、3 or MIL-S-24317/12 switch assemblies. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/104C 6 TABLE I. Illuminated color, contrast, and luminance. Chromaticity limits Luminance contrast ration 1/ 2/ Without EMI shield With EMI shield (X
13、/Y) (X/Y) Lighted Unlighted Lighted Unlighted Nominal brightness (foot-lamberts) Color Code (X/Y) (X/Y) Min Avg. Max Avg. Min Avg. Max Avg. Without EMI shield Red R .660/.340 .655/.324 .703/.297 .695/.285 .60 : 1 -.10 : 1 .35 : 1 -.14 : 1 280 Green G .340/.640 .300/.600 .415/.565 .375/.523 .60 : 1 -
14、.10 : 1 .35 : 1 -.12 : 1 260 Amber A .585/.415 .574/.404 .610/.390 .599/.379 1.20 : 1 -.08 : 1 .75 : 1 -.11 : 1 500 Yellow Y .560/.440 .549/.429 .583/.417 .572/.405 1.40 : 1 -.04 : 1 .95 : 1 -.09 : 1 600 White N .430/.430 .430/.380 .500/.430 .500/.380 .80 : 1 -.10 : 1 .45 : 1 -.12 : 1 350 Blue B .23
15、0/.420 .230/.350 .320/.420 .320/.350 .03 : 1 -.10 : 1 -.02 : 1 -.15 : 1 70 1/ Displays with luminance contrast ratios of .6 or higher in lighted condition and .1or lower in unlighted condition are considered readable under direct sunlight conditions. In addition to luminance contrast, color contrast
16、 is an important factor in readability. Colors are listed in order of general preference. Red has the best color contrast; blue and white have the poorest color contrast under sunlight conditions. Blue should be used only when absolutely necessary. 2/ Sunlight performance is diminished 50 percent wh
17、en two colors per legend area are specified (see figure 4). X X Y YProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-22885/104C 7 TABLE II. Dash numbers and characteristics. 1/. Dash no. Lens con- figuration (see fig. 4) EMI shieldCaptive ball
18、(see fig. 2) Circuit (see fig. 3)Dashno. Lens con-figuration(see fig. 4)EMI shield Captive ball (see fig. 2) Circuit (see fig. 3)001 A Yes Yes CLG 033 E Yes Yes CLG 002 “ “ Yes SLG 034 “ “ Yes SLG 003 “ “ No CLG 035 “ “ No CLG 004 “ “ No SLG 036 “ “ No SLG 005 “ No Yes CLG 037 “ No Yes CLG 006 “ “ Y
19、es SLG 038 “ “ Yes SLG 007 “ “ No CLG 039 “ “ No CLG 008 “ “ No SLG 040 “ “ No SLG 009 B Yes Yes CLG 041 F Yes Yes CLG 010 “ “ Yes SLG 042 “ “ Yes SLG 011 “ “ No CLG 043 “ “ No CLG 012 “ “ No SLG 044 “ “ No SLG 013 “ No Yes CLG 045 “ No Yes CLG 014 “ “ Yes SLG 046 “ “ Yes SLG 015 “ “ No CLG 047 “ “
20、No CLG 016 “ “ No SLG 048 “ “ No SLG 017 C Yes Yes CLG 049 G Yes Yes CLG 018 “ “ Yes SLG 050 “ “ Yes SLG 019 “ “ No CLG 051 “ “ No CLG 020 “ “ No SLG 052 “ “ No SLG 021 “ No Yes CLG 053 “ No Yes CLG 022 “ “ Yes SLG 054 “ “ Yes SLG 023 “ “ No CLG 055 “ “ No CLG 024 “ “ No SLG 056 “ “ No SLG 025 D Yes
21、 Yes CLG 057 H Yes Yes CLG 026 “ “ Yes SLG 058 “ “ Yes SLG 027 “ “ No CLG 059 “ “ No CLG 028 “ “ No SLG 060 “ “ No SLG 029 “ No Yes CLG 061 “ No Yes CLG 030 “ “ Yes SLG 062 “ “ Yes SLG 031 “ “ No CLG 063 “ “ No CLG 032 “ “ No SLG 064 “ “ No SLG 1/ Military part numbers do not define legend area colo
22、rs or legend information. The sequence in which the color and legend information is specified is in accordance with the area numbers shown in figure 4. Additional documentation is required to acquire these pushbuttons. Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
23、nse from IHS-,-,-MIL-PRF-22885/104C 8 Referenced documents: MIL-PRF-22885 MIL-PRF-22885/103 MIL-S-24317/12 The margins of this specification are marked with vertical lines to indicate where modifications were made. This was done as a convenience only and the Government assumes no liability whatsoeve
24、r for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations. Custodian: Preparing activity: Navy - EC DLA - CC DLA - CC (Project 5930-2008-008) NOTE: The activities l
25、isted above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
