1、AMSC N/A FSC 4720 INCH-POUND MIL-PRF-6855/5A 15 June 2009 SUPERSEDING MIL-R-6855/5 16 February 1987 PERFORMANCE SPECIFICATION SHEET RUBBER, SYNTHETIC, CHANNEL, EXTRUDED This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirement for acquiring
2、the product described herein shall consist of this specification sheet and MIL-PRF-6855. REQUIREMENTS: Part numbers: Part numbers for channel described herein shall consist of the prefix M, specification number, specification sheet number, and a six-digit dash number assigned using tables IA, IB, IC
3、 ID, II, and III herein, as show in the following example: M 6855 / 5 - XXX XX X Prefix for Military Specification Specification Number Specification Sheet Number Three-Digit Configuration Number (table IA, IB, IC, or ID, as applicable). Two-Digit Classification Number (table II). One-Digit Length
4、Letter (table III). Example: M6855/5-XXXXXX Dimensional tolerances: Tolerances for channel dimensions shall in accordance with table IV herein. All corner and fillet radii shall be 0.015 inch except as otherwise specified. Tolerance for channel length shall be -0 percent, and +3 percent of the speci
5、fied length. Surface finish: All synthetic rubber channel surfaces shall be smooth and free from pin holes, flash, or any other imperfections which may impair serviceability. VERIFICATION: Inspection and test of synthetic rubber channel shall be in accordance with MIL-PRF-6855, Section 4, VERIFICATI
6、ON. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-6855/5A 2 FIGURE 1. Channel Styles A, B, C & D. TABLE IA. Channel dimensions Style A. Config. Number A (Inches) B (Inches) C (Inches) D (Inches) E (Inches) F (Inches) Notes A02 0.250 0.188 0
7、125 0.125 0.062 0.062 See Note 4 A04 0.250 0.250 0.125 0.125 0.062 0.062 See Note 4 A06 0.250 0.500 0.125 0.125 0.125 0.125 A08 0.250 0.875 0.125 0.125 0.125 0.125 A10 0.312 0.156 0.062 0.250 0.062 0.062 See Note 4 A12 0.312 0.240 0.062 0.250 0.062 0.062 See Note 4 A14 0.312 0.300 0.062 0.250 0.062
8、 0.062 See Note 4 A16 0.312 0.500 0.187 0.125 0.125 0.125 A18 0.312 0.875 0.125 0.187 0.125 0.125 A20 0.312 1.000 0.125 0.187 0.125 0.125 A22 0.375 0.875 0.125 0.250 0.125 0.125 A24 0.375 1.000 0.125 0.250 0.125 0.125 A26 0.438 0.375 0.063 0.375 0.063 0.063 See Note 4 A28 0.438 0.500 0.125 0.313 0.1
9、25 0.125 A32 0.500 0.156 0.063 0.437 0.063 0.063 See Note 4 A34 0.500 0.500 0.125 0.375 0.125 0.125 A36 0.500 1.000 0.125 0.375 0.125 0.125 A38 0.500 1.000 0.250 0.250 0.250 0.250 A40 0.875 0.875 0.125 0.750 0.125 0.125 A42 1.000 1.000 0.250 0.750 0.250 0.250 Provided by IHSNot for ResaleNo reproduc
10、tion or networking permitted without license from IHS-,-,-MIL-PRF-6855/5A 3 TABLE IB. Channel dimensions Style B. Config. Number A (Inches) B (Inches) C (Inches) D (Inches) E (Inches) F (Inches) G (Inches) H (Inches) Notes B02 0.188 0.188 0.063 0.125 0.063 0.063 0.031 0.031 See Note 4 B04 0.250 0.25
11、0 0.125 0.125 0.062 0.062 0.060 0.060 See Note 4 B08 0.312 0.500 0.187 0.125 0.125 0.125 0.120 0.120 B10 0.400 0.160 0.125 0.275 0.060 0.060 0.080 0.080 See Note 4 B12 0.500 0.500 0.125 0.375 0.125 0.125 0.188 0.188 B14 1.000 1.000 0.250 0.750 0.250 0.250 0.188 0.188 TABLE IC. Channel dimensions Sty
12、le C. Config. Number A (Inches) B (Inches) C (Inches) D (Inches)E (Inches)F (Inches)G (Inches)H (Inches)J (Inches) K (Inches) Notes C02 0.188 0.188 0.063 0.125 0.063 0.063 0.031 0.031 0.016 0.016 See Note 4 C04 0.250 0.250 0.064 0.186 0.102 0.102 0.064 0.064 0.023 0.023 See Note 4 C06 0.250 0.250 0.
13、125 0.125 0.062 0.062 0.060 0.060 0.031 0.031 See Note 4 C10 0.312 0.500 0.187 0.125 0.125 0.125 0.120 0.120 0.060 0.060 C12 0.500 0.187 0.125 0.375 0.047 0.047 0.094 0.094 0.047 0.047 See Note 4 C14 0.500 0.500 0.125 0.375 0.125 0.125 0.188 0.188 0.080 0.080 C16 0.563 0.156 0.125 0.438 0.063 0.063
14、0.031 0.031 0.031 0.031 See Note 4 C18 0.938 0.250 0.063 0.875 0.063 0.063 0.125 0.125 0.063 0.063 See Note 4 C20 1.000 1.000 0.250 0.750 0.250 0.250 0.188 0.188 0.120 0.120 C22 1.250 0.875 0.250 1.000 0.250 0.250 0.188 0.188 0.062 0.062 TABLE ID. Channel dimensions Style D. Config. Number A (Inches
15、) B (Inches) C (Inches) D (Inches)E (Inches)F (Inches)G (Inches)H (Inches)K (Inches) L (Inches)Notes D02 0.165 0.600 0.062 0.041 0.062 0.188 0.188 0.062 0.050 0.050 See Note 4D04 0.249 0.624 0.125 0.062 0.062 0.219 0.219 0.062 0.062 0.062 See Note 4D06 0.281 1.000 0.125 0.062 0.094 0.312 0.312 0.094
16、 0.125 0.125 D08 0.281 1.250 0.125 0.062 0.094 0.312 0.312 0.094 0.125 0.125 D10 0.437 1.375 0.250 0.062 0.125 0.312 0.312 0.125 0.125 0.125 D12 0.344 1.500 0.188 0.062 0.094 0.312 0.312 0.094 0.125 0.125 D14 0.344 1.750 0.188 0.062 0.094 0.312 0.312 0.094 0.125 0.125 D16 0.281 2.000 0.125 0.062 0.0
17、94 0.312 0.312 0.094 0.125 0.125 D18 0.344 2.000 0.188 0.062 0.094 0.312 0.312 0.094 0.125 0.125 D20 0.406 2.125 0.250 0.062 0.094 0.312 0.312 0.094 0.125 0.125 D22 0.344 2.250 0.188 0.062 0.094 0.312 0.312 0.094 0.125 0.125 D24 0.438 2.625 0.250 0.094 0.094 0.312 0.312 0.094 0.125 0.125 D26 0.469 3
18、062 0.250 0.094 0.125 0.375 0.375 0.125 0.156 0.156 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-6855/5A 4 TABLE II. Channel type, class, and grade. Classification Number Classification of Requirements 01 Class 1 Grade 30 02 Class 1 Grade
19、 40 03 Class 1 Grade 50 04 Class 1 Grade 60 05 Class 1 Grade 70 06 Class 1 Grade 80 07 Type A Class 2 Grade 30 08 Type A Class 2 Grade 40 09 Type A Class 2 Grade 50 10 Type A Class 2 Grade 60 11 Type A Class 2 Grade 70 12 Type A Class 2 Grade 80 13 Type B Class 2 Grade 30 14 Type B Class 2 Grade 40
20、15 Type B Class 2 Grade 50 16 Type B Class 2 Grade 60 17 Type B Class 2 Grade 70 18 Type B Class 2 Grade 80 19 Class 3 Grade 30 20 Class 3 Grade 40 21 Class 3 Grade 50 22 Class 3 Grade 60 23 Class 3 Grade 70 24 Class 3 Grade 80 25 Type A Class 4 Grade 30 26 Type A Class 4 Grade 40 27 Type A Class 4
21、Grade 50 28 Type A Class 4 Grade 60 29 Type A Class 4 Grade 70 30 Type A Class 4 Grade 80 31 Type B Class 4 Grade 30 32 Type B Class 4 Grade 40 33 Type B Class 4 Grade 50 34 Type B Class 4 Grade 60 35 Type B Class 4 Grade 70 36 Type B Class 4 Grade 80 37 Class 5 Grade 30 38 Class 5 Grade 40 39 Class
22、 5 Grade 50 40 Class 5 Grade 60 41 Class 5 Grade 70 42 Class 5 Grade 80 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-6855/5A 5 TABLE III. Channel length L. Length Letter L (Inches) D 48.000 H 168.000 TABLE IV. Dimensional tolerances for ch
23、annel. Dimensional Range (Inches) Tolerance 0.015 to 0.040 inclusive 0.005 inches Over 0.041 to 0.062 inclusive 0.012 inches Over 0.062 to 0.125 inclusive 0.016 inches Over 0.125 to 0.187 inclusive 0.020 inches Over 0.187 to 0.375 inclusive 0.031 inches Over 0.375 to 0.562 inclusive 0.047 inches Ove
24、r 0.562 to 0.750 inclusive 0.063 inches Over 0.750 to 1.000 0.093 inches 1.000 and over 10% dim. Metric Conversion Chart1/Inch mm Inch mm Inch mm Inch mm 0.015 0.380 0.120 3.05 0.300 7.62 0.750 19.05 0.016 0.41 0.125 3.18 0.312 7.92 0.875 22.23 0.023 0.58 0.140 3.56 0.313 7.95 0.938 23.83 0.031 0.79
25、 0.156 3.96 0.343 8.71 1.000 25.40 0.041 1.04 0.160 4.06 0.344 8.74 1.250 31.75 0.047 1.19 0.165 4.19 0.375 9.53 1.375 34.93 0.050 1.27 0.186 4.72 0.400 10.16 1.500 38.10 0.060 1.52 0.187 4.75 0.406 10.31 1.750 44.45 0.062 1.57 0.188 4.78 0.437 11.10 2.000 50.80 0.063 1.60 0.219 5.56 0.438 11.13 2.1
26、25 53.98 0.064 1.63 0.234 5.94 0.469 11.91 2.250 57.15 0.078 1.98 0.240 6.10 0.500 12.70 2.625 66.68 0.080 2.03 0.249 6.32 0.531 13.49 3.062 77.77 0.094 2.39 0.250 6.35 0.563 14.30 48.000 1219.20 0.102 2.59 0.275 6.99 0.600 15.24 168.000 4267.20 0.109 2.77 0.281 7.14 0.624 15.85 NOTE: 1/See general
27、note 2. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-6855/5A 6 GENERAL NOTES TO TABLES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Use of this specification sheet for US Army Communication
28、s-Electronics Command is restricted to Class 4 and Class 5 synthetic rubber. 4. These channel configurations shall apply only for synthetic rubber grades 50, 60, 70, and 80 of MIL-PRF-6855. CHANGES FROM PREVIOUS ISSUE: Marginal notations are not used in this revision to identify changes with respect
29、 to the previous issue due to the extent of the changes. Custodians: Preparing Activity: Army MR Navy SH Navy SH (Project 4720-2008-021) Air Force 11 DLA CC Review Activities: Army AR, AT, AV, CE, CR, MI Navy AS, OS, YD Air Force 71, 99 NOTE: The activities listed above were interested in this docum
30、ent 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-,-,-
