1、 MIL-PRF-8375SB m 99999Ob 20b2473 274 m I INCH-POUND 1 MIL-PRF-83755B 27 March 1998 SUPERSEDING 18 November 1982 MIL-H-83755A PERFORMANCE SPECIFICATION HOLDER, FLIGHT CHECK LIST This specification is approved for use by all Departments and Agencies of the Department of Defense. 1 SCOPE 1.1 ScoPe. Th
2、is specification covers a scroll-type flight check list holder. 2 APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are cited in sections 3 and 4 of this specification. These lists do not include documents cited in other sections of this specification or recommended for addition
3、al information or as examples. While every effort has been made to ensure the completeness of these lists, document users are cautioned that they must meet the requirements specified in the documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government docu
4、ments. 2.2.1 Standard. The following standard forms a part of tlis document to the extent specified herein. Unless otherwise specified, the applicable issue of this document is that listed in the specific issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplemen
5、t thereto, cited in the solicitation (see 6.2). STANDARD Beneficial comments (recommendations, additions, deletions) and any pertinent data that may be of use in improving this document should be addressed to: Resources distribution is unlimited. Licensed by Information Handling Services HIL-PRF-837
6、55B 999990b 2062474 LOO MIL-PRF-83755B DEPARTMENT OF DEFENSE MS25036 Teminal, Lug, Crimp Style, Copper, Insulated, Ring Tongue, Bell Mouthed, Type II, Class 1 (Unless otherwise indicated, copies of the above specification is available Iom the Standardization Document Order Desk, 700 Robbins Avenue,
7、Building 4D, Philadelphia, PA 191 11-5094.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the applicable issues of the documents which have been adopted by the DoD are those listed in the specific iss
8、ue of the DoDISS cited in the solicitation. Unless otherwise specified, the documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). AMERICAN NATIONAL, STANDARDS INSTITUTE (ANSI) ANSI 226.1 - 1966 (R 1973) - Safety Glazing Materials for Motor Vehicles O
9、perating on Land Highways (DoD-adopted) (Application for copies should be addressed to the American National Standards Institute, 1 1 West 42nd Street, New York, NY 10036.) AMERICAN SOCIETY FOR QUALITY CONTROL (ASQC) ANSI/ASQC 2 1.4 - Sampling Procedures and Tables for Inspection by Attributes (DoD-
10、adopted) (Application for copies should be addressed to American Society for Quality Control, P.O. Box 3066, Milwaukee, WI 53201-3066, or to the American National Standards Institute, 1 1 West 42nd Street, New York, NY 10036) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM B117 - Shdard Pract
11、ice for Operating Salt Spray (Fog) Apparatus OD-adopted) (Application for copies should be addressed to American Society for Testing and Materials, 1 O0 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) 2.4 Order of precedence. In the event of a conflict between the text of this document and the
12、 references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3 REQUIREMENTS 2 Licensed by Information Handling Services MIL-PRF-83755B m 06 2062475 047 m MIL-PRF-8375
13、5B 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.2. 3.2 Recvcled. recovered. or environmentallv ureferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible
14、 provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle cost. 3.3 Materials. All materials shall be suitably treated to resist corrosion due to electrolytic decomposition and any atmospheric condition that may be en
15、countered during operational use or storage. The use of toxic chemicals, hazardous substances, or ozone depleting chemicals (ODCs) shall be avoided, whenever feasible. 3.3.1 and terminals. The flight check list holder shall be wired for 28 Volts direct current (Vdc). There shall be a set of electric
16、al input terminals on each end of the flight check list holder case. Terminals shall accept MS25036 terminal lugs. 3.4.2 Mounting bracket holes. The mounting bracket shall have two 0.19 inch diameter holes for mounting screws on 2 f 0.03 inch centers placed symmetrically about the center of the moun
17、ting bracket. The holes shall be counterbored to a diameter of 0.28 plus 0.03 minus 0.00 inch, and to a depth of 0.16 inch. The counterbored holes shall be on the face of the mounting bracket that folds against the end of the flight check list holder case, as shown in figure 1. 3.4.3 Compatibility w
18、ith cockpit lighting. The color of the emitted light shall be compatible with the cockpit lighting systems as specified by the procuring activity (see 6.2). 3.5 Components. The flight check list holder shall include a case, lens, and mounting bracket. The flight check list holder shall be furnished
19、as a completely assembled unit as shown in figure 1. 3 Licensed by Information Handling Services MIL-PRF-83755B 9999906 2062976 T83 MIL-PRF-83755B r LENS DIMENSIONS IN INCHES, UNLESS OTHERWISE SPECIFIED. TOLERANCES: DECIMALS f 0.02 DIMENSIONS ARE INTERFACE REQUIREMENTS. ILLUSTRATIVE MATERIAL IS FOR
20、REFERENCE ONLY. FIGURE 1. Flight Check List Holder 4 Licensed by Information Handling ServicesllIL-PRF-3755R 0b 20b2477 9LT MIL-PRF-83755B 1 3.6 Dimensions. The dimensions of the flight check list holder components shall conform to those listed on figure 1. 3.7 Weight. The weight of the flight check
21、 list holder shall be one pound or less. 3.8 Color. The color of the flight check list holder case shall be flat black. 3.9 Performance. 3.9.1 CaDacitv. The flight check list holder and each rolier shall hold a minimum of eight feet of a scroll check list, 2.8 f 0.1 inches wide and 0.005 inch thick.
22、 3.9.2 Visibilitv. Print on the scroll check list shall be readable through the lens with the flight check list holder light at fll power. 3.9.3 Movement of scroll check list. Means shall be provided to move a scroll check list across the lens in both directions. The scroll check list shall be posit
23、ioned in the flight check list holder such that it does not contact the light or is in continuous contact with the lens. Means shall be provided to keep the scroll check list taut. 3.9.4 Light. The flight check list holder shall have a light that illuminates the scroll check list from inside the cas
24、e. The light shall have a spherical candlepower of 0.4. The light shall operate on 28 & 1 Vdc, or a means of converting 28 Vdc to that compatible with the light shall be provided. The light shall be continuously adjustable from no candlepower (o to full candlepower. The control for the light shall h
25、ave the capability to positively switch the light off. 3.9.5 Mounting bracket. The mounting bracket shall permit rotation of the flight check list holder fkom O“ (the position shown in figure 1) to 90“ (ends of the case parallel to the mounting bracket). The mounting bracket shall have a positive me
26、ans for maintaining the flight check list holder in the 90“ position, in the O“ position, and in at least one position intermediate between these two positions. Rotation of the flight check list holder beyond the 90“ position is optional. The mounting bracket shall maintain the flight check list hol
27、der in each position with 10 lbs of force applied to the upper center of the check list holder (above the lens) or to the center of the back of the holder. 3.9.6 m. The lens shall not crack or chip upon impact. 3.9.7 Case. The flight check list holder case shall have the capability to have the mount
28、ing bracket installed on either end. The case shall not crack, chip, or deform upon impact. 3.9.8 Scroll text indicator. The flight checklist holder shall have a means to indicate a line of text on the scroll check list. 5 Licensed by Information Handling Services MIL-PRF-83755B m 99999Ob 2062LI78 8
29、5b m MIL-PRF-83755B . 3.1 O Item identification. The flight check list holder and replaceable parts shall be marked with the following identification: a, Item name. b. Manufacturers identification c. Manufacturers CAGE code. d. Manufacturers part number (PN). e. Part identification number (PIN). 3.1
30、 1 Interchangeabilitv. All parts having the same manufacturers part number shall be functionally and dimensionally interchangeable. 3.12 Durability. The flight check list holder shall operate properly after 2,000 scrolling cycles. A scrolling cycle is defined as full movement of an eight-foot scroll
31、 check list from one end to the other and back. 3.13 Commnent replacement. 3.13.1 Lens redacement. The lens shall be replaceable within two minutes. 3.13.2 Light replacement. The light bulb shall be replaceable within one minute. 4 VERIFICATION 4.1 Classification of insmctions. The inspection requir
32、ements specified herein are classified as follows: a. First article inspection (see 4.2). b. Conformance inspections (see 4.3). 4.2 First article inspection. When required (see 3. i), first article shali be performed on three flight checklist holders. First article inspection shall consist of all te
33、sts in 4.6 and 4.7. 4.3 Conformance insDection. Conformance inspection shall include the individual tests in 4.6 and sampling tests in 4.7. Sampling shall be in accordance with ANSYASQC 21.4 commencing at the normal inspection level, unless modified in the acquisition documents (see 6.2). 4.4 Test c
34、onditions. Unless otherwise specified in the acquisition documents (see 6.2), all inspections shall be pedormed in accordance with the test conditions specified in the applicable test method documents or applicable paragraphs in this specification. 4.5 Requirements cross-reference matrix. Table I pr
35、ovides a cross-reference matrix of the section 3 requirements tested or verified in the paragraphs below. 6 Licensed by Information Handling ServicesMIL-PRF-83755B m 99999Ob 20b2479 792 m Requirement MIL-PW-83 75 5B TABLE I: Reauirements cross-reference matrix Verification Requirement Verification 3
36、.3 3.3.1 4.6.1,476 3.9.3 4.6.2 4.6.1 3.9.4 4.7.5 3.3.2 I 3.4.1 I 4.6.4 I 3.9.6 I 4.7.1 I 4.6.1 3.9.5 I 4.6.5 I 3.4.2 I 4.6.1 I 3.9.7 I 4.7.2 I 3.4.3 3.5 3.6 3.7 3.8 4.7.7 3.9.8 4.6.1 4.6.1 3.10 4.6.1 4.6.1 3.1 1 4.6.1 4.6.1 3.12 4.7.8 4.6.1 3.13.1 4.7.3 4.6 Individual tests. 4.6.1 Examination. Each
37、flight check list holder shall be examined to determine conformance with materials, weight, dimensions, components, lens color, scroll text indicator, capacity, interchangeability, item identification, and case color. 4.6.2 Movement of the scroll check list. With each flight check list holder fully
38、assembled and a scroll check list mounted in the flight check list holder, the scroll checklist shall be moved one foot in one direction and then one foot in the opposite direction. The scroll check list shall not contact the light source or the lens during movement or when it is stationary. When th
39、e scroll check list is stationary, it shall be taut. 4.6.3 Visibilitv. This test shall be conducted in a dark room with no sources of light. With the flight check list holder fully assembled, a printed scroll check list mounted in the flight check list holder, and the flight checklist holder light a
40、t full power, the print on the scroll check list shall be readable through the lens. 4.6.4 Electrical wiring and terminals. The terminals on the flight check list holder shall be connected to a 28 Vdc source using MS25036 terminal lugs. The light shall be adjusted Com the off position through full p
41、ower using the light control. As the light control is moved, the light shall become continuously brighter until the light control reaches the full power position. Deliberate movement of the light control shall be required move the light control fiom the off position. The voltage across the terminals
42、 of the holder shall measure 28 f 1 Vdc. This test shall be conducted on the terminais on each end of the flight check list holder case. 7 Licensed by Information Handling ServicesMIL-PRF-83755B M 999990b 20b2480 404 M MIL-PRF-83 755B 4.6.5 Mounting bracket. The flight check list holder shall be ful
43、ly assembled with an eight-foot scroll check list mounted in the flight check list holder. The mounting bracket shall be anchored by the mounting screws to a flat, horizontal surfixe. The flight check list holder shall be attached to the mounting bracket. With the flight check list holder case in th
44、e 90“ position (end of the case parallel to the mounting bracket), a 10-lb force shall be.applied to the upper center of the face of the flight check list holder case (above the lens). The flight checklist holder shall not move when the force is applied. In the same position, a 10-lb force shall be
45、applied to the center of the back of the case. The flight check list holder shall not move when the force is applied. This test shall be repeated for the O“ position (shown in figure i), for the intermediate position between O“ and 90“ in which the mounting bracket is designed to hold the flight che
46、ck list holder, and for any other intermediate positions. When these tests are complete, the opposite end of flight check list holder shall be attached to the mounting bracket and these tests shall be repeated. 4.7 Sampling tests. Samples shall be selected from each production lot in accordance with
47、 ANSI/ASQC 21.4 and subjected to the tests below. 4.7.1 m. The lens shall be conditioned for four hours at 70 to 85F. At the end of the four- hour conditioning period, the lens shall be placed in a wood and steel fiame in a horizontal plane, as specified in ANSI 226.1. A 0.5 lb -i 1 ounce (oz) solid
48、, smooth, steel sphere shall be dropped 30 feet f 2 inches, once, fieely, and from rest, striking the lens within one-half inch of its center. The ball shall be allowed to make only one impact with the lens. No cracks or chips in the lens shall be visible after the test. 4.7.2 w. The flight check li
49、st holder case with the lens and light removed shall be placed lens- side down on a level horizontal surface. A 1.0 lb f 1 oz solid, smooth, steel sphere shall be dropped 30 feet f 2 inches, once, freely, and from rest, striking the back side of the flight check list holder case within 1 inch of its center. The ball shall be allowed to make only one impact with each case. No cracks, chips, or deformation of the case shall be visible after the test. 4.7.3 Lens reulacement. The flight check list holder case shaii be opened, the lens shall be removed
