美国军用标准 MIL-DTL-81748E_AMENDMENT-2 铝合金装甲板详细规范

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NOT MEASUREMENT

SENSITIVE

MIL-DTL-81748E(AS)

w/AMENDMENT 2

12 February 2009

SUPERSEDING

MIL-DTL-81748E(AS)

w/AMENDMENT 1

16 June 2006

DETAIL SPECIFICATION

MANUALS, TECHNICAL: RAPID ACTION CHANGES AND INTERIM RAPID ACTION

CHANGES; PREPARATION OF; GENERAL SPECIFICATION FOR

This specification is approved for use by the Naval Air Systems Command, and is available for

use by all Departments and Agencies of the Department of Defense.

1. SCOPE

1.1 Scope. This specification covers the requirements for the preparation of Rapid

Action Changes (RACs) and Interim Rapid Action Changes (IRACs) to Technical Manuals

(TMs) under the cognizance of the Naval Air Systems Command (NAVAIRSYSCOM) (see

6.1.1, 6.1.2, and 6.1.3 for information pertaining to applicability, exceptions, and exclusions).

1.2 Classification. Rapid Action Changes to Technical Manuals covered by this

specification are of the following types:

a. RAC - issued by Naval activities or Contract Administrative Offices (CAOs) as a

complete formal change to a TM (including all associated front matter).

b. IRAC - issued by Naval activities or Contract Administrative Offices (CAOs) as an

interim change to provide urgent TM change data.

Comments, suggestions, or questions on this document should be addressed to: Commander,

Naval Air Systems Command, Code 4L8000B120-3 Highway 547, Lakehurst, NJ. 08733-5100

or emailed to michael.sikora@navy.mil. Since contact information can change, you may want

to verify the currency of this address information using the ASSIST Online database at

http://assist.daps.dla.mil/.

AMSC N/A AREA TMSS

MIL-DTL-81748E(AS)

w/AMENDMENT 2

(1) Type A IRAC – issued as a Naval Message to provide urgent TM change

data, with the exception of graphic images, schematics, wiring diagrams, etc., which are not for

delivery by Naval Message.

(2) Type B IRAC – issued as hard copy or digital file to provide urgent TM

changes for schematics, wiring diagrams, or other graphic images, which are not for delivery by

Naval Message. Only the technical content change information is to be provided. The manual

title page and front matter are not to be included. Type B IRACs are preceded with a Naval

Message Release Notification.

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3 and 4 of this

specification. This section does not include documents cited in other sections of this

specification or recommended for additional information or as examples. While every effort has

been made to ensure the completeness of this list, document users are cautioned that they must

meet all specified requirements of documents cited in sections 3 and 4 of this specification,

whether or not they are listed.

2.2 Government Documents.

2.2.1 Specifications, standards, and handbooks. The following specifications, standards,

and handbooks form a part of this document to the extent specified herein. Unless otherwise

specified, the issues of these documents are those cited in the solicitation or contract.

DEPARTMENT OF DEFENSE SPECIFICATIONS

MIL-DTL-23618 - Manuals, Technical: Periodic Maintenance

Requirements, Preparation of

MIL-DTL-81927 - Manuals, Technical: Work Package Style,

Format, and Common Technical Content

Requirements; General Specification for (Work

Package Concept)

MIL-M-85337 - Manuals, Technical: Quality Assurance Program,

Requirements for

DEPARTMENT OF DEFENSE STANDARDS

MIL-STD-38784 - Standard Practice for Manuals, Technical:

General Style and Format Requirements

DEPARTMENT OF DEFENSE HANDBOOKS

MIL-HDBK- 38790 - Printing Production of Technical Manuals

MIL-DTL-81748E(AS)

w/AMENDMENT 2

(Copies of these documents are available online at http://assist.daps.dla.mil/quicksearch/

or http://assist.daps.dla.mil/ or from the Standardization Document Order Desk, 700 Robbins

Avenue, Building 4D, Philadelphia, PA 19111-5094.)

2.2.2 Other Government documents, drawings, and publications. The following other

government documents, drawings, and publications form a part of this document to the extent

specified herein. Unless otherwise specified, the issues of these documents are those cited in the

solicitation or contract.

NAVAL PUBLICATIONS

NTP 3 (J) - Naval Telecommunication Procedures,

Telecommunications Users Manual

(Copies of this document are available from the Commander, Naval Computer and

Telecommunications Command, N31, 4401 Massachusetts Avenue N.W., Washington, D.C.

20394-5460 or online at http://www.nctsw.navy.mil/ .)

NAVAL AIR SYSTEMS COMMAND

NAVAIR 00-25-100 - Naval Air Systems Command Technical Manual

Program

(Copies of this document are available from the Commanding Officer (ATTN: 6.8) Naval Air

Technical Data and Engineering Service Command (NATEC), NAS North Island, Bldg 90,

P.O.Box 357031, San Diego, CA. 92135-7031, or online at https://www.natec.navy.mil/ .)

2.3 Order of Precedence. In the event of a conflict between the text of this document and

the 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

3.1 Approved conditions for issuance of RACs or IRACs. RACs and IRACs shall be

developed to expedite the issuance of technical information when one or more of the following

conditions exist:

a. Hazards to safety of personnel (see 6.4.4);

b. Impairment of safety of flight (see 6.4.5);

c. Aircraft grounding (see 6.4.1);

d. Mission capability or fleet readiness (see 6.4.6);

e. Equipment damage (see 6.4.3), or

f. Environmental impact restrictions (see 6.4.2).

3.2 Conditions not approved for issuance of RACs and IRACs. A RAC or IRAC shall

not be issued for the following:

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标签： #铝合金 #合金 #甲板

摘要：

本页面提供美国军用标准 MIL-DTL-81748E_AMENDMENT-2 铝合金装甲板详细规范的完整解读与参考信息。该标准是美国国防部针对铝合金装甲板制定的权威技术文件，此次修订版（Amendment-2）进一步明确了材料性能、化学成分、力学特性、热处理工艺、尺寸公差及质量保证要求，适用于坦克、装甲车辆及舰船等军事平台的防护结构。与早期版本相比，本修订强化了对抗弹性能、焊接性和耐腐蚀性的验收标准，并补充了更严格的检验程序与合格判定准则，确保装甲板在极端战场环境下具备稳定可靠的防护能力。无论您

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