1、 INCH-POUND MIL-PRF-6855/2A 15 June 2009 SUPERSEDING MIL-R-6855/2 16 February 1987 PERFORMANCE SPECIFICATION SHEET RUBBER, SYNTHETIC, STRIP (OR TAPE) This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirement for acquiring the product describ
2、ed herein shall consist of this specification sheet and MIL-PRF-6855. REQUIREMENTS: Part numbers: Part numbers shall consist of the prefix M, specification number, specification sheet number, and a six-digit dash number assigned using tables I, II, III and IV herein, as shown in the following exampl
3、e: M 6855 / 2 -XX X X XX Prefix for Military Specification Specification Number Specification Sheet Number Two-Digit Classification Number (table I). One-Digit Thickness Letter (table II). One-Digit Length Number (table III). Two-Digit Width Number (table IV). Example: M6855/2-XXXXXX Dimensional tol
4、erances: Tolerances of MIL-PRF-6855, tables I and II, shall apply to strip width and thickness respectively. Tolerance for strip length shall be -0 percent, +3 percent of the specified length. Surface finish: All synthetic rubber strip surfaces shall be smooth and free from cloth imprint. VERIFICATI
5、ON: Inspection and test of synthetic rubber strips shall be in accordance with MIL-PRF-6855, Section 4, VERIFICATION. AMSC N/A FSC 5330 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-6855/2A TABLE I. Type, class, grade. Classification Number
6、 Classification of Requirements 01 Class 1 Grade 30 02 Class 1 Grade 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 Cla
7、ss 2 Grade 80 13 Type B Class 2 Grade 30 14 Type B Class 2 Grade 40 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 T
8、ype A Class 4 Grade 30 26 Type A Class 4 Grade 40 27 Type A Class 4 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
9、 B Class 4 Grade 80 37 Class 5 Grade 30 38 Class 5 Grade 40 39 Class 5 Grade 50 40 Class 5 Grade 60 41 Class 5 Grade 70 42 Class 5 Grade 80 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-6855/2A TABLE II. Strip thickness T. Strip Thickness
10、 Letter T (Inches) A 0.015 E 0.031 H 0.062 J 0.093 L 0.125 N 0.187 P 0.250 R 0.375 T 0.500 W 0.625 Y 1.000 TABLE III. Strip length L. Strip Length Number L (Inches) 1 12.000 2 24.000 3 36.000 4 60.000 5 144.000 6 300.000 7 900.000 TABLE IV. Strip width W. Strip Width Number W (Inches) 02 0.250 04 0.
11、500 06 0.750 08 1.000 10 1.250 12 1.500 14 1.750 16 2.000 18 3.000 20 4.000 22 5.000 24 6.000 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-6855/2A 4 Metric Conversion Chart1/Inch mm Inch mm 0.015 0.38 1.750 44.45 0.031 0.79 2.000 50.80 0
12、.062 1.57 3.000 76.20 0.093 2.36 4.000 101.60 0.125 3.18 5.000 127.00 0.187 4.75 6.000 152.40 0.250 6.35 12.000 304.80 0.375 9.53 24.000 609.60 0.500 12.70 36.000 914.40 0.625 15.88 60.000 1524.00 0.750 19.05 144.000 3657.60 1.000 25.40 300.000 7620.00 1.250 31.75 900.000 22860.00 1.500 38.10 NOTE:
13、1/See general note 2. 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 Communications-Electronics Command is restricted to Class 4 and Class 5. CHANGES FROM PREVIOUS ISSUE: Marginal nota
14、tions are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Custodians: Preparing Activity: Army MR Navy SH Navy SH (Project 4720-2008-019) Air Force 11 DLA CC Review Activities: Army AR, AT, AV, CE, CR, MI Navy AS, OS, YD Air Force 71
15、, 99 DLA GS, IS 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-,-,-
