1、NIL-S-29594 84 b 1162428 201 I INCH POUNDI MIL-S-29594(AS) 17 July 1992 MILITARY SPECIFICATION SPECTACLES, AVIATORS, SEVEN WAVELENGTH LASER EYE PROTECTIVE This specification is approved for use by the Naval Air Systems Command, Department of the Navy, and is available for use by all Departments and
2、Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for one type of aviators specta.cles, with carrying case, designated EDU-6/P, which provide protection against seven fixed laser wavelengths and have prescription capability (see 6.2d and 6.21). It
3、shall be compatible with the Chemical Biological Radiological (CEiR) Protective Assembly. It may be used by all fixed and rotary wing ai rcrew. 2. APPLICAEILE DOCUMENTS 2.1 Government docunients. 2.1.1 Specifications, standards and handbooks. The following specifications, standards and handbooks for
4、m a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications md Standards (DODISS) and supplement thereto, cited in the solicitation (sele 6.2). SPEC1 FICATI
5、ONS FEDERAL PPP-B- 636 - Boxes, Shipping, Fiberboard Beneficial comnients (recommendations, additions, deletions) and any pertinent da.ta which may be of use in improving this document should be addressed tci: Commanding Officer, Ns,val Air Warfare Center Aircraft Division Lakehurst, Systems Require
6、ments Department Code SR3, Lakehurst, FIJ 08733-5100 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this documerlt or by letter. AMSC NIA FSC 8465 DISTRIBUTION STP,TEMENT A. Approved for pub1 ic release, di stri bution i s un1 imi ted
7、. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-27574 84 II 7779706 IILb2427 II48 W MIL-S-29594(AS) MI L I TARY MIL-C-83409 - Coatings, Visor, Polycarbonate, Flying Helmet MIL-E-12397 - Eraser, Rubber-pumice (For Testing Coated Optical Elemen
8、ts). STANDARDS FEDERAL FED-STD-595 - MI LI TARY DOD-STD-1 O0 - MI L-STD-105 - MIL-STD-129 - MIL-STD-130 - MI L-STD-662 - MIL-STD-81 O - Colors Engineering Drawing Practices Sampling Procedures and Tables for Inspection by Attributes Marking for Shipment and Storage. Identification Marking of U.S. Mi
9、 1 i tary Property Ballistic Test For Armor Environmental Test Methods and Engineering Guides (Unless otherwise indicated, copies of federal and military specifications, standards and handbooks are available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia
10、, PA 19111-5094). 2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings and publications form a part of this specification to the extent specified herein. issues are those cited in the solicitation. Unless otherwise specified, the DRAW I NGS
11、 U.S. ARMY ARMAMENT RESEARCH, DEVELOPMENT and ENVIRONMENTAL CENTER 7680606 - Tester, Abrasion, Optical Coating U.S. POSTAL SERVICE Laws and Regulations (Application for copies should be addressed to the Superintendent of Documents, Government Printing Officer, Washington, DC, 20402.) 2 Provided by I
12、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-Z9594(AS) MIL-S-29594 4 M 9999906 LLb2431 Tb MANUALS NAVAL AIR SYSTEMS COMMAND NAVAIR 13-1-6.7 - Aviation Crew Systems - Aircrew Personal Protective Equipment (Application for copies should be as directed by t
13、he contracting activity or 2.2 Non-Government publications. The following documents form a part of as directed by the contracting officer.) this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are indicated as DoD adopted are those listed i
14、n the issue of the DoDISS cited in the solicitation. Unless otherwise specified, issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (6.2). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM D1003 - Standard Test Methods for Haze and Luminous Tr
15、ansmittance of Plastics ASTM D1044 - Standard Test Method for Resistance of Transparent Plastics to Surface Abrasion. ASTM 03935-87 - Standard Specification for Polycarbonate (PC) Unfilled and Reinforced Material (Application for copies should be addressed to the American Society for Testing and Mat
16、erials, 1916 Race Street, Philadelphia, PA 19103-1137) NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION, INC., AGENT National Motor Freight Classification (Application for copies should be addressed to the Uniform Classification Committee, Room 1106, 222 South Riverside Plaza, Chicago, IL 60606.) (Non-Gov
17、ernment standards and other publications are normally available from the organizations that prepare or distribute the documents. be available in or through libraries or other informational services.) These documents also may 2.3 Order of precedence. In the event of a conflict between the text of thi
18、s document and the references cited herein, (except for related associated detail specifications, specification sheets, or military standards) the text of this document shall take precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption ha
19、s been obtained. 3. REQUIREMENTS 3.1 Qualification. Spectacles furnished under this specification shall be products which are authorized by the qualifying activity for listing on the applicable qualified products list at the time of contract award (see 4.3.2 and 6.4). applicable qualified products l
20、ist shall be dependent on periodic verification of continued compliance with the requirements of this specification (see 4.3 and 4.3.2). In addition, the retention of the qualification for the spectacles on the a a 4 a O 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without
21、license from IHS-,-,-MIL-S-29594 4 990b LLb2430 bT W MIL-S-29594(AS) 3.2 First article. When specified, (see 6.2f) samples shall be subjected to 3.3 Materials. Materials shall conform to applicable procurement documents, first article inspection (see 6.5) in accordance with 4.4. specifications and d
22、rawings and as specified herein. covered by these documents or are not specifically described herein, shall be of the best quality, of the lightest practical weight and suitable for the purpose intended. Materials which are not 3.3.1 Lens material. The plastic material used for the spectacle lenses
23、shall be in accordance with ASTM D3935-87. 3.4 Design and construction. The design and construction of the spectacles 0 bh and carrying case shall be in accordance with applicable procurement documents, specifications and drawings, and as specified herein. afford protection for aircrew against seven
24、 fixed laser wavelengths over the incorporated into the lens and the contractor shall be responsible for producing the prescription lenses. Incorporation of a prescription shall not compromise any of the performc,nce requirements in this specification. The front and back surfaces of the lerises shal
25、l have a scratch resistant coating in accordance with MIL-C-83409. The lenses shall be compatible with cockpit phosphors and lighting. The lenses shall be installed into five frame sizes of the AR-S spectacle frame model 9013 (see 6.6, or equivalent, as follows: The spectacles shall b entire surface
26、 of the lenses. It shall be possible for a prescription to be PIN - 50 X 24 X 85 PI fi - 50 X 24 X 90 PI I1 - 50 X 24 X 95 PIN - 50 X 24 X 100 PlIli - 50 X 24 X 105 3.5 Interchangeability. All parts having the same manufacturers part number shall be functionally and dimensionally interchangeable. Th
27、is statement does not apply to the lenses and the temple piece which contains the identifying information. They shall not be replaced as this would negate the control of the item. manufacturers part numbers. The drawing number requirements of DOD-CTD-100 shall govern changes in the 3.6 -_- Performan
28、ce. 3.6.1 Visual examination. When visually examined as specified in 4.8.1 the spectacles shall conform to the requirements of this specification. Table IV, Classification of Defects for Visual and Dimensional Examination, shall be used to classify and enumerate the defects. 3.6.2 Matching. Right an
29、d left optical centers when tested as specified in 4.8.2. shall match in location and in sign, prism and power to the requirements of 3.6.3.1, 3.6.3.2 and 3.6.4. Prescription lenses shall be as prescribed. 3.6.3 Prismatic Deviations. 3.6.3.1 Vertical prismatic deviation. Prismatic power when measure
30、d at the 0 optical center for the right eye and the optical center for the left eye as specified in 4.8.3.1, shall not: a. Differ by more than .O0 diopters for prism 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-29594 84 999990b llb2432 732
31、 MIL-S-29594(AS of opposite base (1.e base up - base down = .OO), b. Differ by more than .125 diopters for prism of the same base (i.e. base up - base up = .125, or base down - base down = .12!5), or c. Exceed a total of .20 prism diopters for prism of the same base (i.e., base up + base up = .20, o
32、r base down + base down = .20. 3.6.3.2 Horizontal prismatic deviation. The algebraic sum of horizontally oriented prism when measured at the optical center for the right eye and the optical center lor the left eye as specified in 4.8.3.2 shall not: a. Exceed .20 diopters for prism of opposite base (
33、i.e., base out + base in = .20, b. Exceed .20 diopters foi base out prism (i.e., base out + base out = .20, or c. Exceed .125 diopters for base in prism (i.e., base in + base in = .125). The overall difference in prism between right and left optical centers irrespective of base shall not exceed .125
34、 diopters. 3.6.4 Spherical and cylindrical power. The spherical and cylindrical power, when measured a!; specified in 4.8.4 shall not exceed plus or minus 0.125 diopters or differ in sicln at the optical center of the left and right lenses (i.e. positive power at the optical center of one lens and n
35、egative power at the optical center of the other lens). 3.6.5 Critical vision area distortion. The distortion within the critica vision area when examined as specified in 4.8.5 shall be within the acceptable limits shown in Figure 1. and frame when inspected as specified in 4.8.6. 3.6.6 - Lens fit.
36、There shall be no evidence of visible space between the 3.6.7 Curvature. The dioptric value of the outside surface of the plano lenses shall be +6, * 114 diopters when the dioptric value is calculated on the basis of an index of refraction of 1.530 when tested as specified in 4.8.7 The comparable va
37、lue of prescription lenses shall be as prescribed. ens 3.6.8 Transmittance requirements. 3.6.8.1 Optical density. The spectacles shall protect the human eye against seven fixed wavelengths of laser radiation when tested as specified in 4.8.8.1. The spectacles shall have the required optical density
38、for the specified threat wavelengths (see 6.2d) regardless of the radiation angle of incidence. 3.6.8.2 Luminous transmittance. When tested as specified in 4.8.8.2 the photopic transmittance shall be 11.0 percent (%I or greater and the scotopic transmittance shall be 2.0 % or greater. At the optical
39、 center for the right eye and at the optical center for the left eye of the same spectacles, these transmittances (i.e. left photopic vs. right photopic and left scotopic vs. right scotopic) shall not differ by more than 10 % of the higher of the two values. EXAMPLE OF PASSING SAMPLE: Right eye phot
40、opic = 11.2 % Left eye photopic = 11.5 % 11.5 x .10 = 1.15 11.5 - 11.2 = 0.3 (within the allowable difference of 1.15) 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-29594 84 = 999990b 3362433 679 MIL-S-29594(AS EXAMPLE OF FAILING SAMPLE: Ri
41、ght eye photopic = 11.4 % Left eye photopic = 12.9 % 12.9 x .10 = 1.29 12.9 - 11.4 = 1.5 (outside the allowable difference of 1.29) 3.6.8.3 Erythemal ultraviolet transmittance. The erythemal ultraviolet transmittance of the spectacles, when computed as specified in 4.8.8.3 shall not exceed 0.2 perce
42、nt. 3.6.8.4 m. The haze value of the spectacles shall not exceed 2.0 percent when determined as specified in 4.8.8.4. 3.6.8.5 Abrasion resistance. After being subjected to the abrasion test specified in 4.8.8.5, haze shall not exceed 6 % and transmittance shall not decrease by more than 4 percentage
43、 points. For example, an initial value of 20 percent transmittance shall not decrease to less than 16 %. 3.6.9 Radiation induced damage resistance. When tested as specified in 4.8.9, transitorv or Dermanent radiation-induced changes in the density or transmittance of-the spectacles shall not occur a
44、t leiels typical of levels to which aircrew may be exposed during operation. This shall include sunlight (4.8.9.1) and laser radiation (4.8.9.2). 3.6.10 Adhesion of coating. The coating, when tested as specified in 4.8.10 shall not be removed, dislodged, or affected in any way. Removal or loosening
45、of the coating shall be cause fr rejection. 3.6.11 Ballistic resistax. When tested be no penetration, spa11 or cracks in the spec as specified in 4.8.11, there sha acle lenses. 1 3.6.12 Carrying case. A carrying case sh 11 be provided with each pair of spectacles. The case shall have a snap closure
46、and shall approximately match color number 30450 (black) of FEO-STO-595, 3.6.12.1 Crush resistance of carrying case The carrying case shall have a case insert designed to prevent damage to the spectacles. The carrying case when tested as specified in 4.8.12 shall be capable of withstanding the test
47、without damage to the spectacles within the case. 3.6.12.2 Case covering. lhe case covering shall be flexible with a snap closure. The inside of the case shall have a smooth surface. 3.6.13 Identification of product. Each pair of spectacles shall be identified in accordance with MIL-STD-130. The ide
48、ntification shall be on the inside of the right temple piece. rirotection and the lot and serial numbers of each particular pair of spectacles. It shall indicate 7 wavelength laser eye fi na1 to be Each pair of soectacles shall be identified and controlled from the time of cause the spectacles assem
49、bly untildisposal. class i fi ed . The identification shall not 3.6.14 Caution notice. lhe following notice shal in accordance with MIL-STD-130 and placed in the carry spectacles. 6 be printed on white ng case with each pa Paper r of Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-29594 4 D 9999906 1162434 505 MIL-S-29594(AS) CAUTION NOTICE: These spectacles are a hazard/threat counterm
