1、 -. 2 MIL-R-40075C hi = 9779906 041hh 5 6 MIL-R-40075C SUPERSEDING MIL-R-40075B 8 November 1967 _ - - 17 August 1982 - 3 MILITARY SPECIFICATION REFLECTOR, LIGHT, GASOLINE LANTERN This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope.
2、This document covers a gasoline lantern light reflector. 2. APPLICABLE DOCUMENTS 2.1 Government documents. Unless otherwise specified, the following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this document to the extent specified herein, S
3、PECIFICATIONS FEDERAL TT-E-529 - Enamel Alkyd, Semi-Gloss. TT-P-1757 - Primer Coating, Zinc Chromate, Low-Moisture-Sensitivity. PPP-B-636 - Boxes, Fiberboard. STANDARDS FEDERAL FED-STD-151 - Metals; Test Methods. 1 Beneficial comments (recommendations, additions, deletions) and any pertinent data wh
4、ich may be of use in improving this document should be addressed to: US Army Natick Research and Development Laboratories, Natick, MA 01760 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 6260 Provided b
5、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-40075C MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-1188 - Commercial Packaging of Supplies and Equipment, DRAW
6、ING US ARMY NATICK RESEARCH AND DEVELOPMENT LABORATORIES 5-13-1884 - Reflector, Light, Gasoline Lantern; (Copies of documents required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.2 O
7、rder of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document shall take precedence . 3 . REQUIREMENTS 3.1 Materials and components. The materials and components shall be as specified Materials and components not definitel
8、y herein and on the applicable drawihgs. specified shall be of the quality normally used by the manufacturer provided the completed item complies with all the provisions of this document (see 6.4). e 3.1.1 Aluminum. The aluminum shall conform to alloys 5252, temper H25; 5257, temper H25; 5457, tempe
9、r O or temper 25; 5557, temper O or 5657, temper H25. The aluminum shall be analyzed in accordance with Method 111 or 112 of FED-STD-15 1 e 3.1.2 .Primer. The primer shall conform to composition G or L, color Y of TT-P-1757. 3.1.3 Enamel. The enamel shall conform to class A, composition G or L, Oliv
10、e Drab color No. 24087 of TT-E-529, 3.2 Design arid construction. The design and construction of the reflector shall be as specified herein and as shown on Drawing 5-13-1884. fabricated with a lock seam or may be spun in one piece from any one of the aluminum alloys specified in 3.1.1. The reflector
11、 may be 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- i06 04Lb70 3 W MIL-R-40075C _- - - MIL-R-40075C 62 = _ - v 3.3 Finish. After fabrication, the interior surface shall be buffed, chemically bright dipped, and followed by anodizing in accordan
12、ce with industry practice in such a manner as to produce a uniform bright natural finish; or electropolished (see 6.3). with primer specified in 3.1.2. After primer has thoroughly dried, the exterior surface shall be coated with enamel specified in 3.1.3. The enamel finish shall level out to produce
13、 a smooth and uniform surface. Q After anodizing, or electropolishing; the exterior surface shall be coated 3.4 Marking identification. The reflectors shall be marked with the manufacturers name or readily identifiable trademark. 3.5 Workmanship. The light reflector shall be free from burrs or sharp
14、 edges. if applicable, the lock seam shall be free from any malformations. The interior reflector finish shall be free from discoloration, abrasions, whitening or blemishes. The exterior finish shall be free from runs, wrinkles or areas of no film, orange peel, foreign matter, or separation of color
15、 (flooding or floating). 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contrac
16、t or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the document where such ins
17、pections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.2 Quality conformance inspection. Unless otherwise specified, sampling for inspection shall be performed in accordance with MIL-STD-105. 4.2.1 Component and material inspection. In accordance with 4.1
18、, components and materials shall be inspected in accordance with all the requirements of referenced documents unless otherwise excluded, amended, modified or qualified in this document or applicable purchase document. 4.2.1.1 Certification. The contractor shall furnish a certificate of compliance th
19、at the applicable material conforms to the aluminum requirements of 3.1.1. 4.2.2 End item examination. The end item shall be examined in accordance with 4.2.2.1 and 4.2.2.2. A lot shall consist of all reflectors offered for inspection at one time. The sample unit for visual and dimensional examinati
20、on shall be one completely fabricated reflector. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ - - - NIL-R-LI0075C 62 W 9777706 04LBb7L 51 MIL-R-40075C 4.2.2.1 Visual examinatign. Examination shall be made of the end item and shall * be examine
21、d in accordance with the defects in table I. be level II and the acceptable quality level (AQL) shall be 2.5 for major defects and 6.5 for total (major and minor combined) defects per hundred units. The inspection level shall 0 TABLR I. Visual examination Classification Examine Defect Major Minor Fi
22、nish Not as specified X Exterior Not free from runs, wrinkles, (topside) orange peel, foreign matter, or separation of color (loading or floating) or area of no film X Interior Not reflective finished as (reflecting specified, i.e. Not uniform inside) bright natural finish or electropolished (ALZAK)
23、 Design, construction, Not as specified and workmanship Lock seam, if applicable, not free from malformation X Not free from burrs or sharp e incomplete; incorrect , illegible; of improper and exterior) size, location, sequence, or method of application. Ma terials Component missing or damaged. Cont
24、ents More or less than required. 5. PACKAGING 5.1 Packing. Packing shall be level A, B, or Commercial as specified (see 6.2). 5.1.1 Level A packing. Fifty reflectors shall be packed, with a wide opening down, in a snug-fitting fiberboard shipping container conforming to style RSC-L, grade V2s or PPP
25、-B-636. sheet of 15-pound minimum basisweight kraft paper placed between each reflector. The inside of each shipping container shall be fitted with a box liner conforming to type CF, class weather-resistant, variety DW, grade V15c of PPP-B-636. shipping container shall be closed in accordance with m
26、ethod III, waterproofed in accordance with method V and reinforced as specified in the appendix of PPP-B-636. 5.1.2 Level B packing. Fifty reflectors shall be packed, with the wide opening The reflectors shall be nested, fifty in depth, with a Each down, in a snug-fitting fiberboard shipping contain
27、er conforming to style RSC-L, type CFs (variety SW), or type SF, class domestic, grade 275 of PPP-B-636. The reflectors shall be nested, fifty in depth, with a sheet of 15-pound minimum basis weight kraft paper placed between each reflector. container shall be fitted with a box liner conforming to t
28、ype CF, class domestic, variety DW, grade 275 of PPP-B-636. of the appendix of PPP-B-636. The inside of each shipping Closure shall be in accordance with method II 5.1.2. Weather-resistant fiberboard container. When-specified (see 6.2), the shipping container shall be a VC, V3s or V4s fiberboard box
29、 fabricated in accordance with PPP-B-636 and closed in accordance with method III as specified in the appendix of PPP-B-636. 5.1.3 Commercial packing. Reflectors shall be packed in accordance with MIL-STP-1188. 5.2 Marking. In addition to any special marking required by the contract or purchase orde
30、r shipping containers shall be marked in accordance with MIL-STD-129 or MIL-STD-1188, 88 applicable. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _- MIL- R - 4 O O 7 5 C -62-9 7 7 97 Ob O4 LB b 73TW MIL-K-4UU / 5C 6. NOTES Y O 6.1 Intended use.
31、 The reflector is intended to confine and reflect a portion of the light rays from the lantern into a downward area of direction when used with the military gasoline field lantern. 6.2 Ordering data. Acquisition documents should specify the following data: (a) Title, number and date of this document
32、. (b) Selection of applicable level of packing (see 5.1) . (c) When VC, V3s or V4s fiberboard is required for level B pack (see 5.1.2.1). 6.3 Finish electro brightening or electropolishing processes. The ALZAK process is developed by the Aluminum Company of America. fluroberic acid, sodium carbonate
33、 and sulfuric-phosphoric-chromic acid treatments. Other trade names are Battelle and Baytal processes. Other commercial processes include 6.4 Recycled material. It is encouraged that recycled material be used when practical as long as it meets the requirements of the document (see 3.1). 6.5 Changes
34、from previous issue. Asterisks are not used in this revision to identify changes with respect to the previous issue, due to the extensiveness of the changes. Custodians: Preparing activity: . Army - GL Navy - MC Air Force - 82 - Army - GL Project No. 6260-0049 Review act iv it ies : Army - MD DLA - GS *u.S. GOVERNMENT PRINTING OFFICE: 1982-505-022/4521 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
