1、AMSC N/A FSC 5930 INCH-POUND MIL-PRF-8805/49J 6 December 2012 SUPERSEDING MIL-PRF-8805/49H 4 October 2004 PERFORMANCE SPECIFICATION SHEET SWITCHES, SENSITIVE, LIMIT, ROTARY LINKAGE LEVER (NONSELF-RETURN), RESILIANT SEAL, FLUID RESISTANT This specification is approved for use by all Departments and A
2、gencies of the Department of Defense The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-8805. FIGURE 1. Configuration and dimensions. LOCKING NUT NASM 21083 OR EQUIALENT, SEE NOTE 7 LOCKWASHER NASM 35333-136 OR EQUIALENT, SEE NOTE 7 Prov
3、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8805/49J 2 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerances are .02 (0.51 mm) for two place decimals and .0
4、05 (0.13 mm) for three place decimals. 4. Lever shall be adjustable for an infinite number of positions through 360 without removing lever. 6. Envelope optional provided dimensions specified are not exceeded. 7. Alternative base metals and protective finishes, as approved by the qualifying activity,
5、 may be utilized for locking nut, flat washer, hexagon mounting nut and lock washer. Dimensions shall be in accordance with the referenced hardware specifications. FIGURE 1. Configuration and dimensions - Continued. Inches mm Inches mm Inches mm .003 0.76 .25 6.35 .765 19.43 .037 0.94 .34 8.64 1.0 2
6、5.4 .062 1.57 .36 9.14 1.24 31.50 .140 3.56 .469 11.91 1.50 38.10 .15 3.8 .500 12.70 2.0 50. .190 4.83 .545 13.84 2.5 63.5 .675 17.15 72.0 1828. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8805/49J 3 REQUIREMENTS: Dimensions and configura
7、tion: See figure 1 and table I. TABLE I. Dimensions and operating characteristics. Dash numbers MS24420- Maximum dimensions Wire leads Operating characteristics 1/ A B Wire size Number required C D E Maximum operating torque inch-pounds Free position area Circuits made Operating range Circuits made
8、Maximum differential travel 1 1.030 (26.16) 1.050 (26.67) 20 6 35 15 1-3 and 4-6 301 REF 1-2 and 4-5 12 3 2 1.530 (38.86) 1.680 (42.67) 18 5 3 1.430 (36.32) 4 3 and 4 285 REF 1 and 2 20 10 4 1.820 (46.23) 8 1-2 and 6-5 3-4 and 7-8 5 20 1/ 20 percent variation from specified values acceptable after t
9、ests. Enclosure design: Four (resilient). All entrances to the switch cavity except through the actuator bushing shall be sealed by fusion of glass-to-metal, metal-to-metal, or ceramic-to-metal and the lead wires shall be potted to provide stress relief. Temperature characteristic: 1 (-55C to +85C).
10、 Shock type: M (100 G). Sinusoidal vibration grade: 1 (10 to 500 Hz). Finish: Switch housing shall be processed to resist corrosion. Maximum weight with leads: MS24420-1: .52 pound. MS24420-2: .75 pound. MS24420-3: .61 pound. MS24420-4, -5: 1.10 pounds. NOTE: MS24420 was superseded by MIL-PRF-8805/4
11、9; the MS24420 Part Numbers (PINS) were retained. Operating characteristics: See table 1. Coincidence of operating and releasing point: Not applicable. Contact resistance: Not applicable. Insulation resistance: 100 meghoms minimum. Provided by IHSNot for ResaleNo reproduction or networking permitted
12、 without license from IHS-,-,-MIL-PRF-8805/49J 4 Dielectric withstanding voltage: At atmospheric pressure: 1,000 V rms. At reduced barometric pressure: 50,000 feet; 400 V rms. Mechanical endurance: 25,000 cycles. Electrical endurance: 25,000 cycles. Electrical ratings: See table II. TABLE II. Electr
13、ical ratings. Rating code Load Sea level - 28 V dc 50,000 feet - 28 V dc Resistive Inductive Lamp Motor Resistive Inductive Lamp Motor 1/ (amps) (amps) (amps) (amps) (amps) (amps) (amps) (amps) A 4 3 2.4 4 4 1 2.4 4 B 10 6 3.6 6 10 3 3.6 6 C 15 10 3.0 5 15 10 3.0 5 1/ Application information only. F
14、luid resistance: Except for the cut end of the lead wire, switches shall be submerged in each of the following fluids for 2 minutes to 2 minutes 30 seconds, which shall consist of one cycle (one cycle is 10 minutes to 12 minutes 30 seconds total). Each switch shall be subjected to three cycles. a. T
15、urbine fuel (MIL-DTL-5624). b. Hydraulic fluid (SAE AS1241). c. Coolanol 1/ (MIL-PRF-87252). d. Ethylene glycol (ASTM-E1119). e. Lubricating oil (MIL-PRF-7808). After each immersion, the excess fluid shall be blown off the external surfaces of the switch with an air jet. Following the third cycle, t
16、he switch shall be subjected to and shall meet the requirements for dielectric withstanding voltage, insulation resistance, operating characteristics, seal tests, and marking visibility. Marking: The circuit schematic shall be marked on the switch case. _ 1/ Monsanto Company registered trademark. Pr
17、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8805/49J 5 Part or Identifying Number (PIN): See table III. TABLE III. PIN and characteristics. PIN Electrical rating code (table II) Circuit MS24420-1 A DPDT MS24420-2 B DPDT MS24420-3 C 2 circui
18、t MS24420-4 C 4 circuit MS24420-5 B 4 circuit NOTE: MS24420 was superseded by MIL-PRF-8805/49; the MS24420 Part Numbers (PINS) were retained. Qualification inspection: Group submission: See table IV. Group A inspection: Seal test: Only watertight test shall be performed. TABLE IV. Qualification insp
19、ection (group submission). Examinations or test Samples Extent of approval Qualification inspection table of MIL-PRF-8805 MS24420-4 (28 units) All Visual and mechanical examination, group II MS24420-1, -3 (2 units each) Group VII MS24420-1, -2 (14 units each) Provided by IHSNot for ResaleNo reproduc
20、tion or networking permitted without license from IHS-,-,-MIL-PRF-8805/49J 6 Reference Documents: MIL-PRF-8805 MIL-DTL-5624 MIL-PRF-7808 MIL-PRF-87252 MS21340 NAS1149 ASTM E1119 NASM 21083 NASM 35333 SAE-AS1241 Changes from previous issue. The margins of this specification are marked with vertical l
21、ines to indicate where modifications from this revision were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire c
22、ontent irrespective of the marginal notations. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5930-2011-120) DLA - CC Review activities: Army - AR, AV, MI Navy - AS,. MC, OS Air Force 99 NOTE: The activities listed 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 https:/assist.dla.mil/ . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
