1、MIL-A-81403(USAF) AMENMUIENT 3 SUPERSEDING AMENI3MENT 2 18 FEBRUARY 1986 17 JUNE 1991 MILITARY SPECIFICATICN ALTIMETER-ENCODER AAU-21/A This amendment forms a part of MIL-A-81403(USAF), dated 15 June 1967, and is approved for use by the Department of the Air Force and is available for use by all Dep
2、artments and Agencies of the Department of Defense. 1.1 Add title: Scope. Add new paragraph: “2.1 Government documents I Delete existing paragraph number 2.1 and add: “2.1.1 Specifications, Standards, and handbooks, of this document to the extent specified herein. Unless otherwise specified, the iss
3、ues of these documents are those listed on the issue of the Departnient of Defense Index of Specif Ications and Standards (DDISS) and supplement thereto, cited in the solicitation (see 6.2). The following specifications, standards, and handbooks form a part * Under SPECIFICATICNS Federal, add: “PPP-
4、B-601 Boxes, Wood, Cleated Plywood“, !PPP-B-636 Box, Shipping Fiberboard“ and “PPP-B-1672 Boxes, Shipping, Reusable with Cushioning. I Under SPECIFICATION, Military, delete “MIL-E-5272“, “MIL-D-1000/1“ and “MIL-N-18307“ entirely. Add boxed paragraph to botta center of page: PAGE 2 * Under STANDARIX,
5、 Military, delete “MIL-STD-143 and “MIL-STD-794“ entirely, Add “MIL-STD-100, Engineering Drawing Practices“; “MIL-STD-129, Marking For Shipsnt And Storage“; “MIL-STD-130, Identification Marking of U.S. Military Property“; “MIL-STD-810, Environmental Test Methods And Engineering Guidelines“; “MIL-STD
6、-970, Specification And Standards, rder of Precedence For The Selection CEii; and “MIL-STD-2073/lA, DOD Materiel Procedures For Develomnt And Application of Packaging Requireken distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
7、-,-MIL-A-8 14 O 3 ( USAJ? ) AMENDMENT 3 * Add the following source statememt: “(Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available fram the Standardization Dxument Order Desk, 700 Robbins Ave, Building #4, Section D, Philadelphia, PA 191
8、11-5094.“ PAGE 3 * Add: “2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein (except for related associated detail specifications, specification sheets, or M!3 standards), the text of this document takes precedence. Nothing in this do
9、cument, hawever, supersedes applicable laws and regulations unless a specific exemption has been obtained.“ 3.1 Delete and add: “3.1 First article. first article inspection (see 6.2.c) in accordance with 4.2.“ When specified (see 6.21, a sample shall be subjected to * 3.2 Line 3, delete “MIL-STD-143
10、“ and add “MIL-STD-970. “ * Add: “3.3.1.1 Reclamed materials. The use of reclaimed materials shall be encouraged to the maximum extent possible. PAGE 14 3.11 In first line delete “MIL-N-18307“ and add “MIL-STD-130. II 3.14 In last line delete “MIL-D-1000/1“ and add “MIL-STD-100. II * Delete “4.1“ en
11、tirely and add: “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 (examinations and tests) as specified herein, Except as otherwise specified in the contract or purchase o
12、rder, the contractor may use his awn or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. Government reserves the right to perform any of the inspections set forth in this specification where such inspections are
13、deemed necessary to ensure supplies and services conform to prescribed requirements. II The * Add: “4.1.1 Responsibility for cqliance. All items shall meet all requirements of sections 3 and 5. The inspection set forth in this specification shall beca a part of the contractors overall inspection sys
14、tem or quality program. not relieve the contractor of the responsibility of ensuring that all products or supplies submitted to the Government for acceptance camply with all requirements of the contract. Sampling inspection, as part of manufacturing operations, is an acceptable practice to ascertain
15、 conformance to requirements, hoever, this does not authorize suhnission of know defective material, either indicated or actual, nor does it cmit the Government to accept defective material.“ The absence of any inspection requirements in the specification shall 2 Provided by IHSNot for ResaleNo repr
16、oduction or networking permitted without license from IHS-,-,- I i l I l I I I I I 1 i I l l i I I I MIL-A-8 1403 ( USAF ) AMENDMENT 3 PAGE 15 49 4. 4.2. (b). Delete all references to “Qualification“ and add “First article“, except in 4.2. (b) conformance inspection. Delete “Qualification conformanc
17、e inspection“ and add “Quality 4.4.2 Delete and add: “4.4.2 Samplinq Plan B sample selection. randan from the first 15 produced on contract.“ Three samples shall be selected at PAGE 27 4.7.2 procedure of MIL-STD-810.“ Line 3, delete “procedures of MIL-E-5272“ and add “test method and 4.7.2.2 except
18、that in Step 2 the storage temperature shall be (-62 C) -30 F and theocOak perhod shall be 72 hours. -65 F and the stabilization period shall be 24 hours.“ In line two delete “Procedure II“ and add “Method 302.1 Pgxedure I, The operating temperature in Step 4 shall be (-54 c) 4.7.2.3 except delete S
19、tep 4. In line two delete “Procedure I“ and add “Method 501.1 Procedure I, 4.7.2.7 Delete and add: “4.7.2.7 Vibration failure. The Altimeter-Encoder shall be mounted on the vibration apparatus in its normal operation position. of the asterisked test points in Table II, shall be vibrated with circula
20、r mtion of .O18 to .O20 inch diameter in a plane inclined 45 degrees to the horizontal plane and the frequency of vibration shall be varied uniformly fran 5 to 50 Hertz and return once each hour for a three hour period.“ While being operated at one 4.7.2.8 To the end of the paragraph add: operated a
21、t on of the asterisked test points in Table II. malfunction of the Altimeter-Encoder or power warning circuits during applied acceleration. I In line two delete “Procedure I“ and add “Method 513.2, Procedure II.“ “miring this test the Altkter-Encoder shall be There shall be IX) 4.7.2.9 516.2-2. Duri
22、ng this test Althter-Encoder shall be installed in its normal operating position, with external lines installed, but not be operational.“ In line two delete “Procedure V, operational shock only“ and add “Method Amplitude of 15 gs peak acceleration, duration of 1151 milli-seconds, 4.7.2.13 except tha
23、t the chamber temperature of Step 2 shall be (71 C) 160 F and the relative humidity of Step 4 shall be 95 percent.“ In line two delete “Procedure I“ and add “Methd507.1. Procedure I, 4.7.2.14 In lines one and two delete “Procedure I“ and add “Method 508.1, Procedure I.“ 4.7.2.15 In line two delete “
24、Procedure I“ and add Method 509.1, Procedure 1.“ 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-1403 (3) bb m 99999Ob 0480572 5 m MIL-A-81403(USAF) AMENm 3 . 4.7.2.16 except that the air velocity in Stop 1 shgll be 3005200 feet per minute. t
25、emperature in Step 2 shall be (71 C) 160 F and the exposure period shall be six hours. Delete Step 3.“ In line two delete “Procedure I“ and add “Method 510.1, Procedure I, The air Add “4.9 Inspection and test. shall be acccanplished in accordance with Section 4 of MIL-P-116 to ensure carpliance with
26、 Section 5 of this specification.“ Tests of methods of preservation and packaging * Delete section “5“ entirely and add: “5. PACKAGING 5.1 Preservation. Preservation shall be Level A or C as specified (see 6.2). 5.1.1 Preservation-Packing. Unless otherwise specified by the contracting activity, item
27、 shall be packaged in Quantity Unit Pack (QP) of one each. item will be provided a preservation method lA-8 IAW MIL-P-116. Each 5.1.2 Cleaning. Item shall be cleaned IAW MIL-P-116 fi-8 process. 5.1.3 Drying. one or cambination of the drying procedures listed in MIL-P-116. procedures employed shall n
28、ot be injurious to the item. Imdiately after cleaning, the item shall be dried follawirg any The drying 5.1.4 Level A. provide a method lA-8. Item shall be preserved IAW MIL-P-116 and MIL-STD-2073/lA to 5.1.5 Level C. adequate protection against corrosion, deterioration, and physical damage during s
29、hipment fram the supply source to the first receiving activity as specified in MIL-P-116 and MIL-STD-2073/lA. Item shall be individually preserved in a manner that will afford 5.2 Packing. Packing shall be Level A, B, or C as specified (see 6.2). 5.2.1 Container-Cushioning. Intermediate container re
30、quirements shall conform to PPP-B-636 or PPP-B-1672, weather resistant, unless otherwise specified by the contracting activity. application of sufficient cushioning material shall be of sufficient density and thickness to ensure shock transmission does not exceed peak values in Gs established for th
31、e item. Intermediate containers shall be large enough to allw for 5.2.2 Level A. exterior containers conforming to PPP-B-636 or PPP-B-1672, weather resistant, unless otherwise specified by the contracting activity. be uniform shape, size, and minimum tare and cube consistent with the protection requ
32、ired. procedures as specified by contractor, Special Packaging Instructions (SPI ) , and contracting activity. Item will be preserved as specified in 5.1 and shall be packed in Exterior container shall Closure shall be in accordance with appropriate PPP-B-636 or PPP-B-1672 5.2.3 Level B. Same as Lev
33、el “A unless otherwise specified by Special Packaging Instructions (SPI) or the contracting activity. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I e MIL-A-BI1403 (3) bb 999990b 0480573 7 / MIL-A-8 14 0 3 (USAI?) AMENDfYIENT 3 5.2.4 Level C. It
34、em will be packed in containers in such a manner as to afford adequate protection against physical damage during direct daiiestic shipnt fran the supply source to the first receiving activity. These packs shall conform to MIL-STD-2 07 3/&. 5.3 Markinq. Unit, intermeiate, and exterior containers shal
35、l be marked IAW special markings required by the contractor, Special Packaging Instructions (SPI ) I and MIL-STD-129. 5.4 Test of methods of preservation shall be accqlished in accordance with Section 4 of MIL-P-116 to ensure canpliance with Section 5 of this specification. Packaging tests shall be
36、conducted AW rough handlingas specified in Federal Test Method Standard No. 101.“ Section 6 under NOTES add: “(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory. )I 6.2(c) Inspection and Test. * Delete Reliability Qualification“ and add “R
37、eliability First Article.“ * Add: “6.2(h) Issue of DODISS to be citedd in the solicitation, and if required, the specific issue of individual documents referenced (see 2.1).“ PAGE 33 Delete “6.4“ entirely and add new: “6.4 First article. When first article inspection is required, the contracting off
38、icer should provide specific guidance to offerors whether the item(s) should be a preproduction sample, a first article sample, a first production item, a sample selected fran the first article production items, a standard production item fran the contractors current inventory (see 3.1), and the num
39、ber of items to be tested as specified in 4.2.“ Add: standardization agreement AIR-STD 10/60D. cancellation of this document is proposed which will modify the intemational agreement concerned, the preparing activity takes appropriate action through intematinal standardization channels including the
40、Departmental Standardization Offices (DepSo) to change the agreement or make other appropriate accdations. .where changes (additions, modifications, corrections, deletions) fran the previous amendmnt were made. Government assumes no liability whatsoever for any inaccuracies in these notations. this
41、document based on the entire content previous aniendment.“ “6.6 Certain provision of this document are subject to international When amendnient, revision, or * Add: “6.7 The margins of this amendment are marked with an asterisk to indicate This was done as a convenience only and the Bidders and contractors are cautioned to evaluate the requirements of Custodian : Preparing Activity: AIR FORCE - 71 AIR FORCE - 99 Project ncrmber: 6610-F341 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
