1、AMSC N/A FSC 5930 INCH-POUND MIL-PRF-8805/40J 6 December 2012 SUPERSEDING MIL-PRF-8805/40H 4 October 2004 PERFORMANCE SPECIFICATION SHEET SWITCHES, SENSITIVE, PLUNGER, RESILIENT SEAL, FLUID RESISTANT This specification is approved for use by all Departments and Agencies of the Department of Defense.
2、 The complete requirements for acquiring the switches described herein shall consist of this specification and the latest issue of MIL-PRF-8805. NOTES: 1. Dimensions are in inches. 2. Unless otherwise stated, tolerance is .010 (0.0254 mm). 3. Metric equivalents are given for general information only
3、. 4. Contour optional, provided maximum dimensions specified are not exceeded. 5. Alternative base metals and protective finishes, as approved by the qualifying activity, may be utilized for hexagon nut, lock washer and keyway washer material. Dimensions shall be in accordance with the referenced ha
4、rdware specifications. FIGURE 1. Dimensions and configurations. Inches mm .004 0.10 .015 0.38 .017 0.43 .022 0.56 .030 0.76 .038 0.97 .072 1.83 .125 3.18 .250 6.35 .584 14.83 .625 15.88 .650 16.51 .870 22.10 1.000 25.40 1.375 34.93 2.0 50.80 72.0 1828.80 INTERNAL TOOTH LOCKWASHER NASM 35333-138 OR E
5、QUIVALENT Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8805/40J 2 REQUIREMENTS: Dimensions and configurations: See figure 1 and table I. Enclosure design: 4 (resilient). 1/ Temperature characteristic: 1 (-55C to +85C). Shock type: M (100 g
6、s). Vibration grade: 2 (10 to 500 Hz). Maximum weight with leads: MS24331-1: .46 pound. MS24331-2: .77 pound. MS24331-3: .62 pound. MS24331-4: .84 pound. MS24331-6: .60 pound. Operating characteristics: Actuating force: 9 3 pounds. Full overtravel force: 30 pounds maximum. Release force: MS24331-1:
7、4 pounds minimum. MS24331-2, MS24331-3, MS24331-4, and MS24331-6: 5 pounds minimum. Note: MS24331-1, MS24331-2, MS24331-3, MS24331-4, and MS24331-6 were superseded by MIL-PRF-8805/40, the MS24331 Part Numbers (PINS) were retained. Pretravel: .070 inch maximum. Movement differential: MS24331-1: .020
8、inch maximum. MS24331-2, MS24331-3, and MS24331-6: .035 inch maximum. MS24331-4: .045 inch maximum. Overtravel: .250 inch minimum. Coincidence of operating and releasing points: All circuits shall transfer within .010 inch of plunger travel after first circuit transfers. Strength of actuating means:
9、 30 pounds. Finish: Switch housing shall be processed to resist corrosion. Contact resistance: Not applicable. 1/ 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
10、 to provide stress relief. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8805/40J 3 Dielectric withstanding voltage: At atmospheric pressure: 1,000 V rms. At reduced barometric pressure: 50,000 feet; 400 V rms. Following electrical enduranc
11、e: Points of application between all unconnected terminals of the sample pole - not applicable. Mechanical endurance: 25,000 cycles. Electrical endurance: 25,000 cycles. Electrical ratings: See table II. Fluid resistance: Except for the cut end of the lead wire, switches shall be submerged in each o
12、f 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. Turbine fuel (MIL-DTL-5624). b. Hydraulic fluid (SAE AS1241). c. Coolanol (FSN 9150-551-4022). d
13、. Ethylene glycol (ASTM E-1119). 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, the switch shall be subjected to and shall meet the requirements for dielectric withstanding v
14、oltage, insulation resistance, operating characteristics, and seal tests. Part number: See table I. Qualification inspection: Group submission: See table III. Group A inspection: Seal test: Only watertight test shall be performed. TABLE I. Part number and characteristics. Part number Diameter maximu
15、m Lead wires A B Size No. Reqd MS24331-1 1.015 (25.78) .980 (24.89) No. 20 6 MS24331-2 1/ 1.515 (38.48) 1.500 (38.10) No. 18 6 MS24331-3 1.515 (38.48) 1.310 (33.27) No. 18 4 MS24331-4 1.515 (38.48) 1.700 (43.18) No. 18 8 MS24331-6 1.015 (25.78) 1.000 (25.40) No. 18 6 1/ Inactive for new design. Note
16、: MS24331-1, MS24331-2, MS24331-3, MS24331-4, and MS24331-6 were superseded by MIL-PRF-8805/40; the MS24331 Part Numbers (PINS) were retained. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-8805/40J 4 TABLE II. Electrical ratings. Load Sea l
17、evel 28 V dc (amperes) 50,000 feet 28 V dc (amperes) -1 -2, -6 -3 -4 -1 -2, -6 -3 -4 Resistive 4 10 15 15 4 10 15 15 Inductive 2 3 10 10 2 3 10 10 Motor 4 6 5 5 4 1/ 6 1/ 5 1/ 5 1/ 1/ Application information only. TABLE III. Qualification inspection (group submission). Examination or test Samples Ex
18、tent of Approval Qualification inspection table of MIL-PRF-8805 1/ MS24331-1 (24 units) All Visual and mechanical examination Group II and V MS24331-2, MS-24331-3, MS24331-4, and MS24331-6 (2 units each) Group VII MS24331-3, MS24331-6 (10 units each) 1/ Two sample units shall be tested for fluid res
19、istance following visual and mechanical examination of group I. NOTE: Part number MS24331-5, covered by MIL-PRF-8805/40A, is canceled. For future procurement use part number MS24331-1. Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where mod
20、ifications 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 content irrespective of the
21、 marginal notations. Referenced Documents: MIL-DTL-5624 MS25081 MIL-PRF-7808 NASM 35333 MIL-PRF-8805 ASTM E1119 MS21340 SAE-AS1241 Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project 5930-2011-119) DLA - CC Review activities: Army - AR, AV, MI Navy - AS, MC, OS Air F
22、orce - 19, 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-,-,-
