1、 MIL-DTL-17/211A 24 September 2009 SUPERSEDING MIL-C-17/211 29 September 1993 DETAIL SPECIFICATION SHEET CABLES, RADIO FREQUENCY, FLEXIBLE, COAXIAL, 72 OHMS, LOW NOISE, LOW SMOKE, M17/211-00001 (UNARMORED), M17/211-00002 (ARMORED), M17/211-00003 (SPECIFIED INSULATION RESISTANCE, UNARMORED), AND M17/
2、211-00004 (SPECIFIED INSULATION RESISTANCE, ARMORED) This specification is approved for use by all Departments and Agencies of the department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-17. FIGURE 1. General configurat
3、ion. TABLE I. Description. Components Construction details Inner conductor Seven strands of tinned, copper wire. Each strand .0159 inch diameter. Overall diameter: .0477 inch + .0020 concentric stranding centered within 10 percent of dielectric diameter. Dielectric core Inner layer Middle layer Oute
4、r layer Composite of three layers. Diameter: .295 inch + .007. Type A-5: Semiconducting polyethylene; .003 inch nominal thickness. Type A-1: Solid polyethylene. Type A-5: Semiconducting polyethylene; .005 inch nominal thickness. Outer conductor Single braid of AWG size 34, tinned copper Wire. Diamet
5、er: .340 inch, maximum. Coverage: 97.7% inch, maximum. Carriers: 24 Ends: 7 Picks/inch: 16.3 +10% AMSC N/A FSC 6145 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-17/211A 2TABLE I. Description Continued. Barrier tape A .001 inch t
6、hick polyester tape faced with a .002 inch thick layer of aluminum. The tape will be applied with a 50% lap, minimum. Aluminum face toward the outer conductor. Diameter: .350 inch, maximum. Jacket Type XIV, Cross-linked polyolefin Diameter: .405 inch +.010. Armor M17/211-00002 and M17/211-00004 Sing
7、le braid of aluminum-alloy wire. Diameter: .475 inch, maximum. ENGINEERING INFORMATION: Continuous working voltage: 3,700 V rms, maximum. Operating frequency: 1 GHz, maximum. Velocity of propagation: 62 percent, nominal. Operating temperature range: -30 to +85C. Inner conductor properties: DC resist
8、ance, maximum, at 20C: 0.65 ohms per 100 feet. Elongation: 15 percent, minimum. Tensile strength: 60 klbf/inch2, minimum. Engineering notes: This cable useful in applications where electrical noise generated within the coaxial cable, due to flexure or vibration, must be limited REQUIREMENTS: Dimensi
9、ons, configuration and description: See figure 1 and table I. Environmental and mechanical: Visual and mechanical examination: Applicable. Adhesion of conductors: Inner conductor to core: 7 pounds, minimum; 50 pounds maximum. Aging stability: +98 2C. Stress crack resistance: Not applicable. Outer co
10、nductor integrity: Not applicable. Cold bend: -40C 2C. Dimensional stability: +85C 2C. Inner conductor from core: 0.062 inch, maximum. Inner conductor from jacket: .125 inch, maximum. Contamination: Not applicable. Provided by IHSNot for ResaleNo reproduction or networking permitted without license
11、from IHS-,-,-MIL-DTL-17/211A 3Flame propagation: Applicable. Acid gas generation: 2.0 percent, maximum. Halogen content: 0.2 percent, maximum. Immersion test: Tensile strength, percent of unaged minimum: 50. Elongation, percent of unaged minimum: 50. Smoke index: 25 maximum. Toxicity index: 5 maximu
12、m. Durometer hardness (type A) 80 minimum. Weathering: Applicable. Abrasion resistance: 75 cycles minimum (jacket only). Tear strength: 35 pounds per inch. Heat distortion: 30 percent maximum. Physical tests on unaged jacket: Tensile strength: 1,300 psi, minimum. Elongation: 160 percent, minimum. Ph
13、ysical tests on aged jacket: Air oven: Tensile strength, percent minimum: 60. Elongation: percent minimum: 60. Hot oil immersion: Tensile strength, percent minimum: 50. Elongation, percent minimum: 50. Tensile strength and elongation: 1,300psi, 160 percent minimum. Weight: 12.5 Lbs/100 ft, maximum.
14、Electrical: Spark test: 5,000 Vrms, +25 percent, -0 percent. Voltage withstanding: 10,000 V rms, minimum. Insulation resistance: Not applicable to M17/211-00001 and M17/211-00002. Applicable to M17/211-00003 and M17211-00004 only: 300,000 megohms, minimum per 1,000 feet (center conductor to outer co
15、nductor) at 1,000 V dc. 1,500,000 megohms, minimum per 200 feet (center conductor to outer conductor) at 1,000 V dc. 10 megohms, minimum per 1,000 feet (outer conductor to jacket) at 500 V dc. 50 megohms, minimum per 200 feet (outer conductor to jacket) at 500 V dc. Provided by IHSNot for ResaleNo r
16、eproduction or networking permitted without license from IHS-,-,-MIL-DTL-17/211A 4Corona extinction voltage: 5,000 V rms, minimum. Characteristic impedance: 72 3 ohms. Attenuation: 15 dB per 100 feet, maximum at 400 MHz. Structural return loss: Not applicable. Capacitance: 23 +1 pF per foot, maximum
17、 Capacitance unbalance: Not applicable. Transmission unbalance: Not applicable. Mechanically induced noise voltage: 320 microvolts peak to peak, maximum. Time delay: Not applicable. Part or Identifying Number (PIN): M17/211-00001, -00002, -00003 and -00004. Changes from previous issue. Marginal not
18、ations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Referenced documents. This document references MIL-DTL-17. CONCLUDING MATERIAL Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 85 (Project: 6145-2008
19、074) DLA - CC Review activities: Army - AR, AT, CR4, MI Navy - AS, MC, OS, SH Air Force - 19, 71, 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 http:/assist.daps.dla.mil . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
