1、MIL-S-53422B (5) 42 m 9999906 0488232 4 m MIL-S-51422B(EA) AMENDMENT 5 9 May 1991 SUPERSEDING AMENDMENT 4 28 September 1990 MILITARY SPECIFICATION SHELTER AND ENTRANCE ASSEMBLY - CHEMICAL-BIOLOGICAL SHELTER SYSTEM: INFLATABLE This amendment forms a part of MIGS-51422B(EA), dated 24 September 1987, a
2、nd is approved for use by the U.S. Army Chemical Research, Development and Engineering Center, De- partment of the Army and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 2.1.1: Under FEDERAL, SPECIFICATIONS add the following: ?L-P-1040 - Plastic Sheets and
3、 Strips (Polyvinylfluoride) .? PAGE 2 21.2: Under DRAWINGS add the following: ?5-19-1 1247 QAF5-19-11247 - NylonPolyethylene Film Laminate.? - Nylon/Polyethylene Film Laminate. AMSC NIA FSC 4240 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. 1 of 5 Licensed by Info
4、rmation Handling ServicesMIL-S-SL422B (5) 42 H 99Ob 0488233 b MIL-S-5 1422B(EA) AMENDMENT 5 PAGE 3 3.1.1: Add the following sentence to the end of the paragraph: “For fabrics conforming to MIL-C-43944, the use of liquid mustard (H) is not required in conjunction with the decontamination procedure.”
5、PAGE 4 3.1.3: Delete in its entirety and substitute the following: “3.1.3 Window material. The material used in the windows shall be made out of either polyvinylfluoride laminate sheet or out of nylon/polyethylene film laminate as specified in either 3.1.3.1 or 3.1.3.2. 3.1.3.1 Polyvinylfluoride. Th
6、is window material shall be a homogeneous polyvinylfluoride laminate sheet 0.008 + 0.001 inches thick formed by heat and pressure from a minimum of two sheets of material conforming to the requirements of type I, transparent, grade C, class 1 of L-P-1040 except for the following: (1) The haze requir
7、ement for the single sheet is eliminated. (2) The material is not limited to the 0.001 inch thickness. In addition the window material shall conform to the following requirements: (a) After accelerated weathering in accordance with Method 5804 Fed. Test Method Std. No. 191 for 200 hours, the window
8、material shall have a haze factor not exceeding 25 when tested as specified in 4.4.11. (b) The window material shall maintain flexibility and there shall be no indica- tion of cracking of delamination at -65F when tested as specified in 4.4.10.2. (c) The initial and after low temperature agents pene
9、tration resistance shall be no less than 100 minutes for Mustard (H) and 200 minutes for GB when tested as speci- fied in 4.4.10. 3.1.3.2 Nylon/polyethylene. This window material shall be made out of nylon/poly- ethylene film laminate conforming to the requirements on drawing 5-19-1 1247 except for
10、the following: (1) The material does not have to be capable of being bonded by heat electric 2 Licensed by Information Handling ServicesMIL-S-51422B (5) 42 999990b 0488214 8 M - -d MIL-S-5 1422B(EA) AMENDMENT 5 or extrusion sealing devices. (2) The finished width requirement is eliminated. (3) The r
11、esistance to toxicological agent requirements shall be replaced with the following: The initial and after low temperature agents penetration resistance shall be no less than 100 minutes for Mustard (H) and 200 minutes for GB when tested as specified in 4.4.10. (4) The cold crack test shall not be pe
12、rformed. In addition the window material shall conform to the test specified in 4.4.12.” PAGE 5 3.1.8, line 2: Delete “(see 6.5)”. PAGE 8 3.3.5.4: Change from “Scratch or abrastions” to “Scratch or abrasions”. PAGE 10 4.2: Delete in its entirety and substitute the following: “4.2 Preproduction inspe
13、ction. A preproduction sample of four shelter and en- trance assemblies submitted in accordance with 3.4 shall be examined and tested for all requirements of the applicable drawings and this specification (see 6.2) .” film or nylon/polyethylene laminate film”. 4.3(b), line 3: Delete “polyurethane fi
14、lm” and substitute “polyvinylfluoride laminate PAGE 22 4.4.10.2: Line 4: insert the following sentence after the words “.shall not be determined.”: “A second 4 inches by 4 inches specimen shall be exposed for 60 f 10 minutes at # 3 Licensed by Information Handling ServicesMIL-S-CL422B (5) L12 999990
15、6 0488235 T 4 a, MIL-S-5 1422B(EA) AMENDmNT 5 a temperature of -25F k 1.8”F and tested as specified in Method 5874 of Fed. Test Method Std. 191 except that the hydrostatic resistance shall not be determined.” Lines 4 and 5: Delete “Samples” and substitute “Both samples”. Delete “ (if laminated) ” .
16、4.4.10.3, line 3: Delete “test” and substitute “tests”. 4.4.11, line 3: Delete “3.1.3” and substitute “3.1.3.1”. 4.4.12: Add the following new paragraph: “4.4.12 Nylodpolyethylene window material. The nylon/polyethylene laminate film shall be tested in accordance with QAP5-19-11247, with the excepti
17、on of cold crack, and shall conform to paragraph 3.1.3.2.” PAGE 24 6.2(d): Delete in its entirety and substitute the following: “(d) When and for what purpose any of the following will be provided as Govern- ment furnished equipment (GFE): Inflatable shelter - NSN 4240-00-152-1304 Inflatable entranc
18、e - NSN 4240-00-152-1306 Filter and utilities unit M68 - NSN 4240-00-152-1305 Shelter system M51 - NSN 4240-00-854-4144.” e 6.7: tran PAGE 25 Insert “GB (sarin)” between “Chemical-biological shelter system” and “Inflatable e” and insert “Mustard” between “Inflatable shelter” and “Protective shelter”. 4 1 Licensed by Information Handling ServicesMIL-S-5L422B (5) 42 m 9999906 04821b L m _ 76 I I I Custodian: i 1 Army - EA I i I I I i i I i I Preparing activity: Army -EA Project No. 4240-AO23 I 5 Licensed by Information Handling Services
