ARMY A-A-52120-1992 SPECTACLES SET BALLISTICS PROTECTIVE《弹道护目装置》.pdf
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1、A-A-52120 = 9799974 0124992 555 Beneficial camrents (Ations, additions, deletions) and any pertinent data which may be used in improving this docunrent should be 1 addressed to: canrriander, Us Army Natick Research, Develogmnt and Engineering Center, ATLN: SA“C-IRS, Natick, MA 01760-5019 by using I
2、thestandardi zation Document Improvement Proposal (DD Fom 1426) 1 appearing at the end of this document or by letter. A-A-52120 December 31, 1992 SPECrrnS Em, BALLISTICS PRcIJLEicTIvE The General Services Administration has authorized the use of this cormiercial item description. Abstract. This corm
3、rercial item description covers an impact resistant, eye protection system consisting of a case containing one black plastic frame with two detachable polycarbonate one-piece lenses (one clear and one gray), each with a soft detachable nasal piece and two sets of detachable tenples (one cable style
4、and one spatula style). The spectacles cane in two sizes and are for wear by military personnel to protect their eyes fran light, glare, and airborne projectiles. 1. CLASSIFICATIN 1.1 Classification. specified (see 5.1). bars and the lenses. The spectacles shall be of the following sizes as The size
5、 designation applies only to the tarq?les/brnw All other parts of the system are identical in dinensions. O Size - Small Size - Large 2.1 DescriPtion. The inpact protective spect cles sh 11 provide ballistic Since protection (see 2.2) and light attenuation (gray lens only see 2.3). canparability wit
6、h existing individual equipnent is essential to the effectiveness of the spectacles, the configuration ut be identical or equal to the WM Safety Incorporate Spec Vo Eye Annor System, small and large AMS N/A FSC 8465 DISIRII9UTION STATEMENT A. Fgproved for public release; distribution is unlimited. P
7、rovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-521 20 9999974 0324993 491 A-A-52 120 sizes. lateral protection. via a three point snap in mounting system. through an integral flexible web on the surface of the brow facing the wearer. canfort. suc
8、cess and must be identical or equal to the UVM Safety incorporate Specs Vo Eye Armor Case. The spectacles provide adjustment using pliable nasal pieces with nieta1 insert to hold adjustment, telescoping adjustment of 15 m temples pieces, and a ratchet hinge at the temple/bmw bar connection for angul
9、ar adjustment of the lens. The lenses shall be one piece including integral side shields for The brow bar shall provide secum retention of the lens It shall provide cushioning Cable temples shall be provided with elastaneric covering for wearer The configuration of the carrying case is also critical
10、 for mission 2.1.1 Color. The frame shall be black, nasal shall be clear or black and the lens shall be clear or gray. in color. The entire gray lens rnist be neutral gray 2.1.2 Material. polycartionate, super tough nylon. The clear and gray lens shall be fabricated entirely fran The frame and the c
11、arrying case shall be fabricated fran 2.2 Ballistic Protection. The ballistic resistance of the spectacles with each lens shall be such that they will pass a Vo test using a 0.15 caliber, 5.8 Grain, T37 Fragmnt Simulating Projectile (FSP) at a velocity of 640 to 660 feet per second when tested in ac
12、cordance with the requirements of MIL-SID-662, Ballistic Test Acceptance Method for Personal Armor Material. The spectacles shall be mounted on a male headform in the as-wom position. The 0.002 inch thick aluminum foil witness sheet shall be mounted 2 inches behind the area of impact. at a point cen
13、tered vertically and at a horizontal distance of 32 ni fran the centerline. The sample shall be considered a failure if the witness sheet is punctured or if the sample is cracked. The sample shall be hit once at nom1 incidence 2.3 Photopic transmittance. The gray lens shall limit the photopic transm
14、ittance to 15 _+ 3 percent. 2.4 Mechanical and mtical Erformance. The lenses shall meet the mechanical and optical performance requirements contained in ANSI 287.1-1989, Practice for Occupational and Educational Eye and Face Protection, and ANSI 280.3-1986, Requirements for Non-Prescription Sunglass
15、es and Fashion Eyewear. 3. Q9IALITY ASSURANCE 3.1 Certification. The contractor shall certify, and maintain substanti- ating evidence, that the product offered meets the salient characteristics and requiranents of this Carniercial Item Description, and that the prcduct conform to the producers own d
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