DLA A-A-55266-1995 TENT LIGHTWEIGHT EXTREME WEATHER《极端天气轻量级帐篷》.pdf

1、A-A-552bb 9999974 OLb7L20 48b 1 INCH-POUND I A-A-55266 February 23, 1995 COMMERCIAL ITEM DESCRIPTION TENT: LIGHTWEIGHT EXTREME WEATHER The General Services Administration has authorized the use of this commercial item description for all Federal agencies. 1. SCOPE 1.1 ScoDe. This commercial item des

2、cription covers two lightweight extreme weather tents in the following classes and sizes: Class 1 - 3-Person Tent, All Season Class 2 - 4-Person Tent, All Season 2. SALIENT CHARACTERISTICS 2.1 DescriDtion. The lightweight extreme weather tents consist of two tents with rainflies, as specified below.

3、 The doors (entrance/exit openings) shall be a minimum of 30 inches in diameter, if circular, and a minimum of 29 inches by 34 inches if rectangular, to allow the 95 percentile soldier to ingress and egress. The openings shall be provided with both a closable netting and a waterproof door. The water

4、proof door shall be constructed of the material specified in 2.4.2. A method shall be provided for holding the netting and waterproof doors in an open position. The gear storage for each tent shall be provided with a detachable gear loft and interior pockets made from the Beneficial comments, recomm

5、endations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: Defense Personnel Support Center, Clothing and Textiles Directorate, Attn: DPSC-FQSE, 2800 South 20th Street, Philadelphia, PA 19145-0599. AMSC N/A FSC 8340 DISTRIBUTION STATEMENT A.

6、 Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55266 9999974 OLb7L21 312 A-A-5 5 2 6 6 screening specified in 2.6.3. The gear loft shall be attached to the tents hanging loops and shall ac

7、t as an overhead shelf for storing lightweight gear or as a drying rack for damp clothing. The gear stowage pockets shall be flat and envelope-shaped, approximately 6 inches wide by 12 inches long. The pockets shall be attached to the interior periphery of the tent where the floor is sewn to the mai

8、n body. with three pockets, and the class 2 tent with nine pockets. order to serve the soldier in each operational area-mountain, arctic, and desert-the tents shall be produced so that they are functional with gear worn by soldiers in those areas. For each procurement, the Government agency shall li

9、st any specific restrictions for items being worn by soldiers in each area that may be restrictive in the construction of the shelter. The class 1 tent shall be provided In 2.2 Class 1 - 3-person tent, all season: Floor area: 45 sq. ft. minimum. Tent shall be no less than 65tt in length to allow a 9

10、5th percentile soldier adequate space to sleep. Weight: Less than 12 lbs. (tent, w/fly and poles) Height: 43 inches minimum over 30 percent of tents interior floor space Transport packing Less than 1.1 cubic ft., tent, components, size: repair parts and one fly (approximately 10 inches in dia. by 22

11、 inches long) Vestibule: 10 sq. ft. minimum covered space Shape: Free standing (requires no stakes to hold erect) NOTE: The vestibule is not required to be free-standing. 2.2.1 Operational environment. The class 1 tent, with rainfly installed, shall be operable in conditions from -25 to 120 degrees

12、F as found in the arctic, mountain and desert. It shall withstand steady 50 mph winds with gusts to 65 mph. shall provide protection from driving rain at a maximum of 20 mph with rain falling at the rate of 2 inches per hour. conditions, the tent shall not have leakage to the extent that the user co

13、mfort is degraded. as rain droplets hanging on the inside of the tent and dripping in to form puddles larger than 2 inches in diameter. The tent, with fly installed, shall also be able to withstand a snow load of four pounds per square foot. The tent shall have one front and one rear exit/entrance w

14、hich allow the 95th percentile soldier in operational uniform to ingress/egress (see 2.6.14). The tent shall also have a full integral tub floor. The floor shall have a maximum of one seam. The tent Under those Comfort being degraded is defined 2 Provided by IHSNot for ResaleNo reproduction or netwo

15、rking permitted without license from IHS-,-,-A-A-55266 W 9999974 0367322 259 D A-A-5 5 2 6 6 2.2.2 Rainflv. The class 1 tent shall be equipped with three full coverage flies that cover all openings in the tent. One fly shall be provided with a three color, desert camouflage pattern conforming to Dra

16、wing 2-1-2240, a second fly shall be provided with a woodland camouflage pattern conforming to the Drawing 2-1- 1516B, and a third fly shall be provided with an arctic white camouflage color, Cable NO. 37875, per FED-STD-595. The flies shall be easily attached and detached from the tent using common

17、 fastening techniques. When installed, the fly shall form an integral vestibule at one end of the tent which provides a minimum additional ten square feet of usable floor area for storage of equipment. See Table III for fly fabric specifications and testing. 2.3 Class 2 - 4-person tent, all season:

18、Floor area: 60 sq. ft. minimum. Tent shall be no less than 65 in length to allow a 95th percentile soldier adequate space to sleep Weight: Less than 20 lbs. (tent, fly and poles) Height: 60 inches minimum over 30 percent of tents interior floor space Transport packing Less than 1.6 cubic ft., tent,

19、components, size: repair parts and one fly (approximately 12 inches in dia. by 22 inches long) Vestibule area: 30 sq. ft. minimum covered space Shape: Free standing (requires no stakes to hold erect) NOTE: The rainfly with integral vestibule is required to be self supporting so that it can be erecte

20、d to provide temporary shelter. 2.3.1 Operational environment. The class 2 tent, with rainfly installed, shall be operable in conditions from -25 to 120 degrees F as found in the arctic, mountains, and desert. It shall withstand steady 50 mph winds with gusts to 55 mph. The tent shall provide protec

21、tion from driving rain at a maximum of 20 mph and rain falling at the rate of 2 inches per hour for a minimum of 15 minutes on each side of the tent, front, back and sides. The tent shall not have leakage to the extent that the 3 Provided by IHSNot for ResaleNo reproduction or networking permitted w

22、ithout license from IHS-,-,- A-A-552bb W 9999974 OLb7L23 195 W A-A-55266 user comfort is degraded. Comfort being degraded is defined as rain droplets hanging on the inside of the tent and dripping in to form puddles larger than 2 inches in diameter. The tent, with fly installed, shall also be able t

23、o withstand a snow load of four pounds per square foot. The tent shall have one front exit/entrance which allows the 95th percentile soldier in operational uniform to ingress/egress (see 2.6.14). The tent shall also have two side openings, approximately 24“ in diameter, with insect netting. These op

24、enings will be tunnels which allow the connection of two like shelters. The tunnel fabric will be that of the floor material. The fly shall have corresponding openings of sufficient size to allow the tunnel to pass through. In order to connect two tents together using the tunnels, each tunnel will h

25、ave 2 sets of equally spaced elastic tie downs with the same number of corresponding elastic tie downs with line tighteners. The tent shall also have a full integral tub floor. The floor shall have a maximum of one seam. In addition, the floor shall have one closable debris opening approximately 16“

26、 in diameter. This opening shall be within 3 feet of the exit/entrance and set off from the doors center line. This opening is not required to have insect netting. 2.3.2 Rainflv. The class 2 tent shall be equipped with two full coverage flies that cover all openings in the tent. shall be provided wi

27、th a woodland camouflage pattern, conforming to Drawing 2-1-1516B, and a second fly shall be provided with an Arctic camouflage color Cable No. 37875 per FED-STD-595. The flies shall be easily attached and detached from the tent using common fastening techniques. When installed, the fly shall form a

28、n integral vestibule at one end of the tent which provides a minimum additional 30 square feet of usable floor area for storage of equipment. The fly shall also be self-supporting and capable of being erected by itself to provide temporary shelter. The design of the rainfly will permit alternate sup

29、port, in the event of missing poles, by means of tying ropes to trees or skis and securing the ropes to double grommets or lashing points. Table III for fly fabric specifications and testing. One fly See 2.4 Materials 2.4.1 Tent fabric. The body fabric, except for openings and floor for the class 1

30、and 2 tents, shall conform to the requirements specified in Table I, The color for the class 1 tent shall be brown shade Cable No. 30325 and, for the class 2, the color shall be woodland camouflage pattern conforming to drawing 2-1-1516B , Cable No. 30325 conforming to FED-STD-595. 4 Provided by IHS

31、Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-552 66 TABLE I. Phvsical reauirements for tent fabric Characteristics, Units Test Method Requirements Class 1 Weight, oz/sq yd. ASTM D3776 Option C 1.9 maximum Class 2 Weight, oz/sq yd. ASTM D3776 Option C 1.9 min

32、imum Breaking strength, lbs: Warp ASTM D 5035 50 minimum Filling ASTM D 5035 50 minimum Tearing strength, grams: Warp ASTM D 1424 600 minimum Filling ASTM D 1424 600 minimum Air permeability 5450 L/ 7 minimum (Average value of CU ft/min/sq ft) Flame resistance, initial: After flame, seconds: Warp CP

33、AI 84 per CPAI 84 Filling CPAI 84 per CPAI 84 Char length, inches : Warp CPAI 84 per CPAI 84 Filling CPAI 84 per CPAI 84 Melt drip CPAI 84 and 2/ per CPAI 84 Flexibility (warp only), cm: initial warp ASTM D1388 Option A 10 maximum -25 F ASTM D1388 Option A and A/ 15 maximum Spray rating: initial AAT

34、CC 22 100, 100, 100 Blocking, scale rating 5872 L/ 3 maximum Mildew resistance ASTM G 21 ASTM G 22 Colorfastness after Xenon a/, and accelerated weathering 5630 L/ No growth No growth good - i/ FED-STD-191 - 2/ In addition to after-flame time and char length, any evidence of flaming melted or molten

35、 pieces dropping from the specimen at any time during the test shall be reported as a failure. i/ Accelerated weathering performed in accordance with MIL-C-44103C, paragraph 4.5.2.2, which cites AATCC method 169, 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license

36、from IHS-,-,-A-A-552bb 9999974 OLb7L25 TbA A-A-552 6 6 Xenon lamp exposure. shall be exposed to 100 Kj energy. The coating shall not become stiff and brittle nor soft and tacky, and there shall be no evidence of cracking or crazing under visual examination. A/ The specimen shall be placed between gl

37、ass plates. The specimen/plate assembly and test instrument shall be conditioned at -25 deg F for minimum of 2 hours. 25 deg F. 2.4.2 Floor. The fabric for all tent floors, doors and storage sacks shall be a slip-resistant, flexible, waterproof material conforming to the requirements specified in Ta

38、ble II below (see 6.3.1.2). storage sack shall be brown shade, Cable No. 30325 and for the class 2 shall be woodland camouflage pattern conforming to drawing 2-1-1516B and conforming to FED-STD-595. The coating side of the coated materials The test shall be run at The color for the class 1 tent floo

39、r, opening and TABLE II. Phvsical reauirements for floor fabric Characteristics, Test Units Method Requirements Weight, oz/sq yd. ASTM D3776 Option C 2.2 minimum 3.0 maximum Breaking strength, lbs: Warp Filling Tearing strength, grams: Warp Filling Adhesion of coating lb/2 inch width, dry ASTM D 503

40、5 50 minimum ASTM D 5035 50 minimum ASTM D 1424 500 minimum ASTM D 1424 500 minimum 5970 L/ 10 minimum Hydrostatic resistance, psi: initial 5512 1/4 60 minimum 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55266 9999974 03b732b 9T4 = A-A-552

41、6 6 TABLE II. Physical reauirements for floor fabric (Contd.) Characteristics, Test Units Method Requirements After gelbo flexing 2017 a/ and 5512 e.g., Halon, magnesium oxide, or vitrolite tiles see (6.3.1.9). The spectral bandwidth at 860 nm shall be less than 26 nm. Reflectance measurements shall

42、 be made by either the monochromatic or polychromatic mode of operation. When the polychromatic mode is used, the spectrophotometer shall operate with the specimen diffusely illuminated with the full emission of a continuous source that simulates in the visible spectrum either CIE Source A or CIE So

43、urce D65. The specimen shall be measured as a single layer backed with two layers of the same fabric and shade. Readings shall be taken on a minimum of two different areas, and the data averaged. The specimen shall be viewed at an angle no greater than 10 degrees from normal, with the specular compo

44、nent included. within 1 percent and wavelength accuracy within 2 nm. Any color having spectral reflectance values outside the limits at four or more of the wavelengths specified in their respective tables shall be considered a test failure. Photometric accuracy of the spectrophotometer shall be Tabl

45、e IV. Infrared reauirements for 4-COlOr woodland camouflase printed finished cloth I Reflectance Values (percent) - Dark Green 355 6 Wavelength Black 357 Light Green 354 Dark Brown 356 nanometers min. max. min. max. min. max . 600 620 640 660 680 700 720 740 760 780 800 820 840 860 10 10 10 10 10 20

46、 30 33 33 34 34 35 35 35 - - - - - - - - - - - - - 8 8 8 8 8 14 26 40 50 55 55 55 55 55 20 20 20 22 20 60 78 90 92 92 92 92 92 92 3 3 3 3 3 8 8 12 17 20 21 22 22 22 13 13 13 13 22 46 66 80 88 90 90 90 90 90 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from

47、IHS-,-,-A-A-55266 7799974 0367332 IT8 m A-A-552 6 6 Table V. Infrared reauirements for 3-color desert camouflase printed finished cloth Reflectance Values (percent) I Wavelength Light Tan 492 Light Brown 493 Light Khaki 494 manometers min. max. min. max. min. max. 700 720 740 760 780 800 820 840 860

48、 38 38 39 40 41 43 45 48 50 53 54 55 56 57 58 59 62 65 19 41 20 41 20 42 21 42 21 42 22 43 23 45 24 46 25 48 25 25 25 26 27 28 30 33 36 44 45 46 47 48 50 52 55 58 Table VI. Infrared resuirements for camouflase arctic white Reflectance Values (percent) Wavelength manometers 600 620 640 660 680 700 72

49、0 740 760 780 800 820 840 860 arctic min. 60 60 60 60 60 61 64 67 70 71 71 71 71 71 white max . 87 87 87 87 87 87 87 87 87 87 87 87 87 87 2.4.4 Stuff/transDort baq. The fabric for all stuff/transport bags shall be a plain weave, back coated, water-repellant, textured nylon duck conforming to the requirements specified in Table VI1 below (see 6.3.1.2). The color for all stuff/transport bags shall be a woodland camouflage pattern conf