1、i MIL-S-85508 84 7779706 0407L180 W 6- MIL-S-85508(AS) i4 July 1981 MILITARY SPECIFICATION SPECTACLES, AVIATORS, NEODYMIUM LASER PROTECTIVE, EDU-l/P (WITH CASE) This specification is approved for use by the Naval Air Systems Command, Department of the Navy, and is available for use by all Department
2、s and Agencies of the Depart- ment of Defense, 1. SCOPE 1.1 SCOPE. This specification covers the requirements for one type of aviators neodymium laser protective spectacles, with carrying case, designated EDU- l/P 2. APPLICABLE DOCUMENTS 2.1 Issue of documents. The followhg documents, of the issue i
3、n effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL L-P-375 -Plastic Film, Flexible, Vinyl Chloride. PPP-B-566 -Boxes, Folding, Paperboard. PPP-B-636 -Boxes, Shipping, Fiberboard. PPP-B-665 -Boxes,
4、Paperboard, Metal Edged and Components. PPP-B-676 -Boxes, Setup. PPP-T-45 -Tape, Gummed, Paper, Reinforced and Plain, for Sealing and Securing. I Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to:
5、Engineering Specifications and Standards Department (Code 93), Naval Air Engineering Center, Lakehurst, NJ 08733, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 8465 Provided by IHSNot for ResaleNo repr
6、oduction or networking permitted without license from IHS-,-,-MIL-S-85508 84 M 9999906 0409483 T m MIL-S-85508(AS) STANDARDS FEDERAL FED-STD- 15 1 FED-STD-595 MILITARY DOD-STD-100 MIL-STD-105 MIL-STD-129 MIL-STD-130 -Metals, Test Methods. -Colors. -Engineering Drawing Practices. -Sampling Procedures
7、 and Tables for Inspection -Marking for Shipment and Storage. -Identification Marking of U. S. Military Property. by Attributes. DRAWINGS US ARMY NATICK RESEARCH AND DEVELOPMENT COMMANI) 8-2-66 8-2-67 8-2-68 -Sunglasses, HGU-4/P (With Case); Assembly and Details. -Sunglasses, HGU-4/P (With Case); Fr
8、ame Assembly and -Sunglasses, HGU-4/P (With Case); Temple Assembly and Details. Details. (Copies of specifications, standards, drawings and publications required by contractors in connection with specific acquisition functions should be obtained from the acquiring activity or as directed by the cont
9、racting officer.) 2.2 Other publications. The following documents form a part of this speci- fication to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. US POSTAL SERVICE Laws and Regulations (Applicatio
10、n for copies should be addressed to the Superintendent of Docu- ments, Government Printing Office, Washington, DC 20402.) NATIONAL BUREAU OF STANDARDS (NBS) NBS Circular 533 NBS Special Publication 374 (Cat. No. C13.10374) (Appl.ication for copies should be addressed to the Superintendent of Docu- m
11、ents, Government Printing Office, Washington, DC 20402.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - - -1 MIL-S-5508 84 E 7977706 OLIO7Y82 1 MIL-S-85508 (AS) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM B 504 -Thickness of Metallic
12、 Coatings by the Coulometric ASTM B 117 -Salt Spray (Fog) Testing. ASTM D 412 -Properties in Tension. ASTM D 523 -Specular Gloss, Test for ASTM D i415 Method, Measurement of the -Rubber Property-International Hardness. (Application for copies of ASTM standards should be addressed to the Amer- ican S
13、ociety for Testing and Materials, 1916 Race Stree, Philadelphia, Pennsyl- vania 19103. ) NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION, INC., AGENT National Motor Freight Classification (Application for copies should be addressed to the National Motor Freight Traffic, Tariff Order Section, 1616 P Stree
14、t, N.W., Washington, DG 20036.) UNIFORM CLASSIFICATION COMHITTEE, AGENT Uniform Freight Classification (Application for copies should be addressed to the Uniform Classification Committee, Room 1106, 222 South Riverside Plaza, Chicago, IL 60606.) (Technical society and technical association specifica
15、tions and standards are generally available for reference from libraries, They are also distributed among technical groups and using Federal agencies.) 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), the contractor shall furnish sample units for first article inspection and approval (se
16、e 4.3 and 6.4). 3.2 Materials. Materials shall con orm to applicable specifications and as specified herein. Materials which are not covered by applicable specifications or which are not specifically described herein, shall be of the best quality, of the lightest practicable weight and suitable for
17、the purpose intended. 3.3 Design and construction, The design and construction shall be in accor- dance with Drawings 8-2-66, 8-2-67 and 8-2-68 except as noted herein and on Figure 1. 3.3.1 Front. The front shall be in accordance with Drawing 8-2-67, except as specified herein. The front shall be so
18、 constructed to fit accurately with the lenses specified herein and shall show no evidence of spacing between the frame and lens. The base metal for the front shall be made of nickel silver con- taining not less than 14 percent nickel. The base metal shall be plated with a non-brightening nickle pla
19、te of not less than 0.0025mm (0.0001 inch) followed by a flash chrome plate of a minimum of 0.000076 mm (0.000003 inch) on all signi- ficant surfaces. The chrome plated parts shall have a dull matte finish with a maximum gloss reading of not more than 50 percent. Provided by IHSNot for ResaleNo repr
20、oduction or networking permitted without license from IHS-,-,-MIL-S-85508 BY 777770b 0409483 3 MIL-C-85508 (AS) 3.3.1.1 Nose pad. The nose pad shall be of the rocking-pad type and shall be adjustable to fit a wide range of nose sizes. The nose pad shall be in accor- dance with Drawing 8-2-67 and sha
21、ll be made of a clear, colorless, cellulose acetate butyrate. 3.3.1.1.1 Nose pad arm. The nose pad arm shall be in accordance with Drawing 8-2-68. The base metal, plating and finish shall be as specified for the front. 3.3.1.1.2 Nose pad insert. The nose pad insert shall be in accordance with Drawin
22、g 8-2-67. 3.3.1.1.3 Nose pad washer. The nose pad washer shall be in accordance with Drawing 8-2-68 and 8-2-67. 3.3.2 End pieces. The end pieces shall be constructed to permit independent removal of either the lens or temple and shall be in accordance with Drawing 8-2-67. The base metal, plating and
23、 finish of the end pieces shall be as specified for the front. 3.3.3 Temples. The temples shall be in accordance with Drawings 8-2-67 and 8-2-68. The base metal, plating and finish of the temples, except the temple screws, shall be as specified for the front. 3.3.3.1 Temple tips. The temple tips sha
24、ll be in accordance with Drawing 8-2-68. 3.3.3.2 Temple screws. The temple screws shall be in accordance with Drawings 8-2-67 and 8-2-68. 3.3.4 Lenses. The lenses shall conform to the right and left lens tem- plates as shown on Drawing 8-2-68. The lenses shall be made of Schott KG-3 optical glass or
25、 equivalent with a minimum optical density of 3.1 at 1064 nano- meters (nm). The thickness of the lenses shall be a minimum of 2.0 mm. The lenses shall be ground and polished to a curvature of +6 It diopters when the dioptric value is calculated on the basis of an index of refraction of 1.530. The l
26、enses shall be heat treated or chemically tempered for impact resistance. 3.3.5 The carrying case shall be in accordance with Drawing 8-2-66, except the color of the carrying case and the button shall approximately match color number 30450 of FED-STD-595. The carrying case shall be crush resistant.
27、Carrying case. 3.3.5.1 Case covering. The case covering shall be flexible vinyl chloride film conforming to the requirements of L-P-375 for the 0.020 inch thickness of type I, class 2, except that the thickness shall be 0.89 1: 0.09 mm, the ultimate elongation (Dansdirection) shall be 200 percent mi
28、nimum and the stiffness (Clark at 24 C (75OF) shall be 20 3. 3 cm. The outer surface of the case covering shall have a simulated natural grain leather finish. The inside sur- face of the case shall have a smooth finish. 3.3.5.2 Case insert. The case insert shall be m3de from unfilled poly- propylene
29、 resin having a density of 900 to 910 Kg/m and a minimum tensile strength of 27.6 MPa. Reclaimed materials should be used to the maximum extent possible. 4 ,ClsgBPBbi - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-85508 84 R 9779706 0409484
30、5 MIL-S-85508 (AS) 3.4 Performance. 3.4.1 Spectacles (optical requirements). 3.4.1.1 Matching. The right and left lenses of the spectacles, when tested as specified in 4.5.2, shall match in the visual center of each lens in sign and prismatic power, to within 118 prism diopter in the vertical direct
31、ion and in total visible transmission to within 5 percent of the higher of the pair. 3.4.1.2 Prismatic and vertex power. The prismatic power of the plano lens shall not exceed 1/8 prism diopter and the vertex power of the lens shall not exceed f 1/8 diopter in any meridian when tested as specified i
32、n 4.5.3. The comparable value of prescription lens shall be as prescribed. 3,4.1.3 Definition. The spectacle lenses, when tested as specified in 4.5.4, shall show clear definition. 3.4.1.4 Glass defects. The spectacle lenses, when inspected as specified in 4.5.5, shall be free from surface waves, st
33、riae or other irregularities affecting optical qualities which would cause sudden jumps or blurring. 3.4.1.5 Surface quality. The lens, when inspected as specified in 4.5.6, shall appear black against a black background with side illumination. 3.4.1.6 Lens fit. The spectacles, when inspected as spec
34、ified in 4.5.7, shall show na evidence of visible space between the frame and lens. 3.4.1.7 Curvature. The dioptric value of the contraocular surface of the plano lenses shall be +6 f a diopters calculated on the basis of an index of re- fraction of 1.530 when tested as specified in 4.5.8. The compa
35、rable value of prescription lens shall be as pregcribed. 3.4.1.8 Spectral transmittance. 3.4.1.8.1 Daylight transmittance. The daylight transmittance of the spec- tacle lenses, when computed as specified in 4.5.9.1, shall be greater than 80 percent. 3.4.1.8.2 Chromaticity coordinates. The chromatici
36、ty coordinates of the spectacle lenses, when computed as specified bia 4.5.9.2, shall be within the limits as indicated on Drawing 8-2-68, 3.4.1.8.3 Near-infrared transmittance. The average near-infrared transmit- tance of the spectacle lenses, when computed as specified in 4.5.9.3, shall be less th
37、an 15%. Further, the maximum transmittance at 1064 rn shall be less than o. 1%. 3.4.1.8.4 Erythemal-ultraviolet transmittance, The erythemal ultraviolet transmittance of the spectacle lenses, when computed as specified in 4-5.9.4, shall not exceed 0.2 percent. 3.4.1.8.5 Spectral transmittance deviat
38、ion. The spectral transmittance of spectacle lenses, when computed as specified in 4.5.9.5, may vary with wave- length between 430 and 730 nanometers so that the average percentage deviation within nine spectral bands from daylight transmittance is less than 12 percent. 5 Provided by IHSNot for Resa
39、leNo reproduction or networking permitted without license from IHS-,-,- MIL-S-85508 84 M 777770b 0407i.185 7 3.4.2 Crush resistance of carrying case. The carrying case, when tested as specified in 4.5.10, shall not show any evidence of material failure and shall prevent any damage to the spectacles
40、within the case. 3.4.3 Lens. 3.4.3.1 Thickness. The thickness of the lens, when tested as specified in 4.5.11, shall be a minimum of 2 m. 3.4.3.2 Impact resistance. The lens, when tested as specified in 4.5.12, shall not fracture. A lens shall be considered to have fractured if it cracks through its
41、 entire thickness and across a complete diameter into two or more separate pieces or if any material visible to the naked eye is detached from the occular surface. 3.4.4 Frames. 3.4.4.1 Corrosion resistance. The frames, when tested as specified in 4.5.13, shall show no evidence of corrosion on any o
42、f the significant surfaces. The significant surfaces being those in contact with the wearer. 3.4.4.2 Adhesion test. The chrome plating and any underplating on the frames shall not separate from each other or from the base metal when tested as specified in 4.5.14. No detachment of the plating shall b
43、e possible by probing with a sharp instrument. Cracks in the base metal or plating shall not be considered a failure unless accompanied by flaking, peeling or blistering. 3.4.4.3 Heat resistance. The frames, when tested as specified in 4.5.15, shall show no visible signs of blistering, discoloration
44、, or white or crystaline film. 3.4.4.4 Ductility. The frames, when tested as specified in 4.5.16, shall not have any visible cracks passing completely across the bend area. 3.4.5 Base metal composition analysis. The base metal composition of each component, when tested as specified in 4.5.17, shall
45、be as specified herein. 3.4.6 Gloss. The maximum gloss of the frames, when tested as specified in 4.5.18, shall not exceed 50 percent. 3.5 Interchangeability. All parts having the same manufacturers part number shall be functionally and dimensionally interchangeable. The drawing number requirements
46、of DOD-STD-100, shall govern changes in the manufacturers part numbers. 3.6 Identification marking. 3.6.1 Carrying case. The front flap of the carrying case shall be marked in accordance with MIL-STD-130 by heat embossing and shall contain the following information: SPECTACLES, NEODYMIUM LASER PROTE
47、CTIVE, AVIATORS, EDU-1/P MIL-S-85508 IMPACT RESISTANT - NOT SAFETY GLASSES MANUFACTURERS IDENTIFICATION CONTRACT OR ORDER NO. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.6.2 Caution notice. The following caution notice shall be placed,in the
48、unit package with the carrying case. The notice should be printed on white paper. CAUTION NOTICE: These glasses are not safety glasses. Although impact resistant lenses provide greater pro- tection than ordinary lenses, they are not shatterproof or breakproof and DO NOT provide an unbreakable shield
49、 against eye injury. Since the life expectancy of .chrome electroplating is dependent on the type and duration o use, wearers are advised that these frames should be replaced when the chrome electroplating erodes to the point when underplating is exposed. These laser protection spectacles have been designed to protect aircrew personnel against possible harmful effects of Neodymium laser energy at a wavelength of 1064 nanometers (nm). In order to provid
