1、MIL-PRF-53134 U 999990b 2934446 3T2 m I INCH-POUND MLPRF-53 134 26 January 1996 PERFORMANCE SPECIFICATION ULTRALIGHTWEIGHT CAMOUFLAGE NET SYSTEM (ULCANS) This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scoue. This specification covers
2、 the ultralightweight camouflage net systems (ULCANS) for tactical equipment and field installations including helicopters and fixed wing aircraft. 1.2 Classification. The ULCANS covered by this specification shall be of the following types as specified: Type I - Aviation, OH-58D Helicopter System,
3、Radar Scattering Type II - Aviation, AH-64/UH-60 Helicopter System, Radar Scattering Type III - General Purpose, Modular, Radar Transparent Type IV - General Purpose, Modular, Radar Scattering Clas 1 - Woodland Beneficial comments (recommendations, additions, deletions) and any pertinent data which
4、may be of use in improving this document should be addressed to: USA COMMCTNS-ELECT CMD, LOG RSCH CTR, ATN AMSEL LC ED BD, 101 15 GRIDLEY RD, STE 228, IT BELVOIR VA 22060-5849 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter
5、. AMSC NIA FSC 1080 DISTRIBUTION STATEMENT A. Approved for public use, distribution is unlimited. Licensed by Information Handling ServicesMIL-PRF-53134 m 949940h ZDai4444 239 rn MIL-PRF-53 134 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are needed to meet the requireme
6、nts specified in sections 3,4, and 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cau
7、tioned that they must meet all specified requirements documents cited in sections 3, 4, and 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications and standards. The following specifications and standards form a part of this document to the extent spe
8、cified or referenced to herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS DEPARTMENS OF DEFENSE MIL-W-
9、4088 MIL-C-52765 - Camouflage Screening Support Systems. MIL-C-53004 - Camouflage Screening Systems Lightweight, Synthetic, Woodland, Desert and Snow. - Webbing, Textile, Woven Nylon. STANDARDS FEDERAL FED-STD- 19 1 - Textile Test Methods. DEPARTMENT OF DEFENSE MIL-STD-130 - Identification Marking o
10、f U.S. Military Property. MILSTD-8 1 O - Environmental Test Methods and Engineering Guidelines. MIL-STD-882 - System Safety Program Requirements. MILSTD-1472 - Human Engineering Design Criteria For Military Systems, Equipment and Facilities. (Unless otherwise indicated, copies of the above specifica
11、tions and standards are available from the: STDZN DCMNT ORDER DESK, BLDG 4D, 700 ROBBINS AVE, PHILADELPHIA PA 191 11-5094.) 2 Licensed by Information Handling ServicesMIL-PRF-53134 u 9999106 2al!445IJ T50 m MIL-PRF-53134 2.2.2 Other Government drawings. The following other Government drawings form a
12、 part of this document to the extent specified herein. Unless otherwise specified, the issues are those in effect on the date of the solicitation. DRAWINGS - ME 13226E0964 - Case, Camouflage screen, WoodlandDesert. 13227E013 1 - Cloth, Vinyl-Nylon. 13227E0132 - Pole, Aluminum, Support. 13227E0134 -
13、Pole, Plastic, Support. 13227E0 136 - Stake, Anchor, Class 1. 13227E0137 - Case, Carrying, Camouflage Screening Support Systems. (Copies of drawings required by contractors in connection with specific acquisition functions should be obtained from the: US Army CECOM Research, Development and Engineer
14、ing Center, Night Vision and Electronic Sensors Directorate, ATN AMSEL-RD-NV-CD-CCD, 10221 Burbeck Road, Suite 430, Fort Belvoir VA 22060-5806.) 2.3 Non-Government uublications. The following non-Government publications form a part of this document to the extent specified herein. Unless otherwise sp
15、ecified, the issues of the documents which are DoD adopted are those listed in the issue of the DoDISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN SOCIETY FOR TES
16、TING AND MATERIALS (ASTM) B 117 - D751 - D2244 - D 2247 - D 2261 - D3659 - D3787 - D5034 - E308 - G26 - Standard Test Method of Salt Spray (Fog) Testing. Standard Test Methods for Coated Fabrics Standard Test Method of Color Differences from Insumentally Measured Color Coordinates El. Standard Test
17、Method for Testing Water Resistance of Coatings in 100% Relative Humidity. Standard Test Method for tearing Strength of Woven Fabrics by the Torque (Single Rip) Method (Constant-Rate-of-Extension Tensile Test Method). Fiammability of Apparel Fabrics by Semi-Restraint Method. Standard Test Method for
18、 Bursting Strength of Knitted Goods-Constant-Rate-of-Traverse (CRT) Ball Burst Test. Standard Test Method for Breaking Force and Elongation of Textile Fabrics. Standard Method for Computing the Colors of Objects Using the CIE System. Standard Practice for Operating Light Exposure Apparatus (Xenon-Ar
19、c type) with and without Water for Exposure of Nonmetallic Materials. (Copies of ASTM standards can be obtained from: AMERICAN SOCETY FOR TEST AND MATERIALS, 1916 RACE STREET, PHILADELPHIA PA 19103.) 3 Licensed by Information Handling ServicesMIL-PRF-53134 W 9999906 20L44571 997 W MIL-PRF- 5 3 1 34
20、CIE 51 - A Method for Assessing the Quality of Daylight Simulators for Colorimetry. (Copies of CIE documents can be obtained from TLA Lighting Consultants, Seven Pond Street, Salem MA 01970.) AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC) 30 1988 - Anti-Fungal Activity, Assessment on
21、 Textile Materials, Mildew and Rot Resistance of Textile Materials. (Copies of these documents can be obtained from the American Association of Textile Chemists and Colorists, 1 Davis Drive, PO Box 12215, Research Triangle Park, Raleigh NC 27709.) NATIONAL AERONAUTICAL STANDARD NAS 1756 - Streamer,
22、Warning. (Copies of this document can be obtained from the Aerospace Industries Association of America, Inc., 1250 Eye Street NW, Washington DC 20005.) 2.3 Order of precedence. In the event of a conflict between document and references cited herein, the text of this document takes precedence. Nothin
23、g in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Svstem description. Ultralightweight camouflage net system (hereafter designated “ULCANS“) is to provide concealment of military aircraft and ground equipment wh
24、en tactically deployed (see 6.3.5). ULCANS shall provide visual, electro-optic, radar, and infrared signature reduction characteristics. ULCANS shall be made of easily and rapidly deployable and recoverable (see 6.3.6), snag-resistant, dtralightweight material. ULCANS types I and II shall be used fo
25、r aviation and ULCANS types III and IV shall be used for general purpose. ULCANS shall not be the source of Foreign Object Damage POD). ULCANS shall be field repairable and maintainable, fire retardant, shall not show performance degradation when exposed to Petroleum, Oil or Lubricants (POL) or when
26、 properly stored for extended periods, and shall be mildew and rot resistant. ULCANS shall be used in all weather conditions by soldiers dressed in full Mission Oriented Protective Posture (MOPP) gear and cold weather clothing. 3.1.1 Svstem size. 3.1.1.1 Tyue I. Type I ULCANS shall be capable of con
27、cealing an OH-58D helicopter in accordance with figure 1. 4 Licensed by Information Handling ServicesMIL-PRF-53334 U 0b 2034452 A23 MIL-PRF- 5 3 1 34 Screen Type I 3.1.1.2 Twe II. Type II ULCANS shall be capable of concealing an AH-64 helicopter or a UH-60 helicopter in accordance with figure 2. Tot
28、al System Weight i 80 Lbs. 3.1.1.3 Mes Ill and IV. Types III and IV ULCANS shall be in accordance with figure 3. II rn and no longer than 10 minutes while at MOPP level IV. 6 Licensed by Information Handling ServicesMIL-PRF-53L34 m 9999906 2014454 bTb m MIL-PW-53134 3.2.1.2.2 ULCANS twes III and IV.
29、 When tested as specified in 4.4.2.1.2.2, ULCANS type III and IV shall be designed so that three experienced soldiers can remove the system in a time equal to or less than it takes to remove an equivalent number of LCSS screens. 3.2.1.3 Performance life. ULCANS shall display no degradation of perfor
30、mance during the shelf and service lives defined in 3.2.1.3.1 and 3.2.1.3.2. 3.2.1.3.1 Shelf life. ULCANS shall be designed to have a shelf life of 5 years in open storage when the container is in its original sealed condition. 3.2.1.3.2 Service life. ULCANS shall be designed to have a service life
31、(see 6.3.12), of 2 years, following 5 years of storage starting when the container is opened for the first time. 3.2.1.4 Environmental conditions. ULCANS shall display no degredation of performance when subjected to the climatic design, standard and severe conditions defined in 3.2.1.4.1, 3.2.1.4.2,
32、 and 3.2.1.4.3. 3.2.1.4.1 Climatic desim conditions. ULCANS shall be designed to function in climates as follows: 80 percent basic, 15 percent hot, 5 percent cold as defined in table IV, when used by personnel dressed according to climatic conditions. 3.2.1.4.2 Standard conditions. Standard conditio
33、ns for deployment, recovery, and concealment use of ULCANS shall be limited to conditions defined in table IV as B3, B1, B2, A2. 3.2.1.4.3 Severe conditions. Severe conditions for recovery and concealment use of ULCANS shall be the same as standard conditions defined in 3.2.1.4.2 and conditions defi
34、ned in table IV as cold, with troops wearing appropriate protective clothing. 7 Licensed by Information Handling ServicesMIL-RRF-53134 - -0 % SE 3- -0 P F O m a d .- CI m o OD o) rn c O I o z 9 ln o) - 4 4 z O z s a o) m m m e .- - R O o) - - - h s o n: c O O z i- I - o rn m - rn I %4%9Qb 20k4455 53
35、2 I MIL-PRF-53 134 8 Licensed by Information Handling Services. * COLOR L* a b* Black 15.28 .52 1 .O7 Light green 26.91 - 1.39 14.16 Forest green 18.41 -.69 5.00 MIL-PRF-53134 99%b 2QL445b 477 MIL-PRF- 5 3 1 34 3.2.1.4.4 Sand, dust, freezing rain and ice. When tested in accordance with 4.4.2.1.3.2 a
36、nd 4.4.2.1.3.3, ULCANS support systems shall be designed to withstand exposure to sand and dust particles up to 1000 micrometers in size, and ice and freezing rain glaze of 0.9 specific gravity at 1/2-inch thickness with no system component failures. 3.2.1.4.5 Wind. When tested in accordance with 4.
37、4.2.1.3.1, ULCANS shall remain erect in wind conditions up to 46 miles per hour (mph). ULCANS types I and II shall also remain deployed when subjected to 46 mph winds from a hovering helicopter. 3.2.2 Screen svstem reauirements. ULCANS screen system, consisting of camouflage screens, repair kit, ope
38、rators and maintenance manual, storage/transport container and, for types I and II, rotor blade tip covers, wire cutter covers, and snag cover for main rotor hubs shall conform to the following requirements. 3.2.2.1 Foreim object damane. Screens shall be designed to eliminate FOD and snagging, and s
39、hall not contain any materials that could become a source Of damage. Screens shall be constructed to prevent stones, twigs, leaves and other debris from becoming enmeshed in the screens when they are on the ground and then falling onto equipment when the screen is deployed. Screens shall also not pr
40、oduce any residue or discharge including carbon dust or fibers that could present the potential for damage to any electrical systems or components. 3.2.2.2 Color and spectral reflectivity. When tested as specified in 4.4.2.2, before and after POL exposure, the color and spectral reflectivity shall b
41、e as specified in 3.2.2.2.1 and 3.2.2.2.2. 3.2.2.2.1 Color. When tested as Specified in 4.4.2.2.1, the total color difference DE*,I, between each fmished material sample measurement and the appropriate values specified in table V shall be less than 2.0. DE*a,b shall be calculated for each measuremen
42、t using the CIE 1976 L a b (CELAI3) color-difference formula in accordance with ASTM D 2244. * TABLE V. Color reauirements for finished screen materials. Licensed by Information Handling Services MIL-PRF-53L34 999990b 2034457 305 MIL-PRF-53 134 3.2.2.2.2 Spectral reflectivitv. When tested as specifi
43、ed in 4.4.2.2.2, finished material samples for each color shall have spectral reflectivity values within the appropriate limits specified in table VI. For wavelengths between 600 and 2500 nanometer (nm) not shown in the tables, linear interpolation shall be used to calculate the correct values. TABL
44、E VI. Spectral reflectivitv limits for finished screen materials. Wavelength (nm) 600 660 700 720 740 760 800 1200 1400 1800 2500 NIR reflectance limits - black Min (%) O O 10 15 20 30 30 30 20 O O Max %) 10 10 20 25 30 35 35 35 30 20 10 NIR reflectance limits - green Wavelength (nm) 600 660 700 720
45、 740 760 800 1200 1400 1800 2500 Min (%) O O 10 18 30 40 40 40 30 20 O Max %) 10 10 33 40 50 60 60 60 50 40 20 3.2.2.3 Screen patterning. Patterning of the screens shall be performed in accordance with figures 1,2, and 3 for each net design. 10 . Licensed by Information Handling ServicesMIL-PW-53 13
46、4 3.2.2.4 Thermal urouerties. 3.2.2.4.1 Thermal transmission. When tested as specified in 4.4.2.3.1, transmission of ULCANS measured in the 3 to 5 and 8 to 12 micron band shall be less than 30 percent required and less than 20 percent desired. 3.2.2.4.2 Screen thermal signature. When tested as speci
47、fied in 4.4.2.3.2, the ULCANS apparent temperature measured in the 3 to 5 and 8 to 12 micron band, shall be a maximum of 8 OC above and below ambient air temperature. An apparent temperature difference of 5 OC above and below ambient air temperature is desired. 3.2.2.5 Radar uroperties. 3.2.2.5.1 Ra
48、dar transuarent urouerties. Nothing shall be in or applied to the ULCANS screen which would interfere with the transmission of the emitted or reflected radar signals. When tested as specified in 4.4.2.4.1, the one-way transmission of the ULCANS radar transparent screen shall not be less than 90 perc
49、ent. 3.2.2.5.2 Radar scattering prouerties. Finished screen shall have an average transmission of less than or equal to 50 percent, a standard deviation of between 10 and 25 percent and a correlation length of less than 2 inches as measured in accordance with 4.4.2.4. ULCANS shall have radar properties equal to or better than LCSS. 3.2.2.6 Screen material urouerties. 3.2.2.6.1 Flame resistance. When tested in accordance with 4.4.2.5.1, screen material test specimens shall be self-extinguishing prior to burning 60 percent of the specimen area. 3.2.2.6.2 Fu
