1、MIL-A-l6749E(SHIPS) 15 May 1963 SUPERSEDING MIL-A-l6?49D(SHIPS) 13 April 1956 MILITARY SPECIFICATION AMPLIFIER, AUDIO FREQUENCY, SOUhD POWERED TELEPHONE SYSTEM 1. SCOPE 1.1 This specification covers a type AM 2210( )/WTC amplifier used to amplify audio frequency signals sufficiently to drive a group
2、 of sound powered telephones and loudspeakers at a shipboard location having a high ambient noise level. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue In effect on date of invitation for bids or request for proposal, form a part of the specification to the extent specified herein.
3、 SPECIFICATIONS MILITARY MIL-1-983 - Interior Communication Equipment; Naval Shipboard, MIL-P-15024 - Plates, Identification - Information and Marking for Identification of Electrical, MIL-M-15071 - Manuals, Equipment and Systems. MIL-E-17362 - Electronic Repair Parts Requirements, Procedures for Pr
4、ovisioning Technical MIL-E-17555 - Electronic and Electrical Equipment and Associated Repair Parts; Preparation MIL-E-21981 - Electronics Qpe Designations, Identification Plates and Markings; Requirements Basic Design Requirements for. Electronic and Mechanical Equipment. Documentation and Stock Num
5、bering. for Delivery of. for. (Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contract- ing officer. ) 2.2 Other publications. - The following
6、 documents form a part of this specification to the extent spec- ified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. OFFICIAL CLASSIFICATION COMMITTEE Uniform Freight Classification Rules (Application for copies should be
7、addressed to Official Classification Committee, 1 Pm“ Avenue at 33rd Street, New York 16, New York. ) 3. REQUIREMENTS 3.2 Description. - 3.2.1 The sound powered telephone amplifiers shall be designed to provide amplified one-way commu- nication in two-way sound powered telephone communication system
8、 The ampiiiier shali be packed levei Cand marked levels A and C respectively in accordance with Mn-E-17555. (5.2 Domestic shipment and storage or overseas shipment. - Where special requirements not covered by 5.1 are required, the levels of preservation, packaging, packing and marking for shipment s
9、hall be specified by the procuring activity (see 6.2). 5.2.1 The following provides various levels of protection during domestic shipment and storage or overseas shipment, which may be required when procurement is made (see 6.2). 5.2.1.1 Preservation, packaging, packing and marking. - The equipment
10、and accessories, repair parts and technical manuals shall be preserved and packaged levels A or C; packed level A or B as specified (see 6.2) and marked in accordance with MIL-E-17555. ) 6. NOTES 6.1 Intended use. - The sound powered telephone amplifiers covered by this specification are in- tended
11、for use in sound powered telephone circuits, to amplify audio frequency SigMk sufficiently to drive a group of telephones and loudspeakers. 6.2 Ordering data. - Procurement documents should specify the following: (a) Title, number, and date of this specification. (b) Quantity of items required. (c)
12、Quantity of manuals required (see MIL-“15071). (d) Supply demand control point for stock repair parts (see MIL-E-17362). (e) Preservation and packaging, packing, and marking if other than as specified in 5.1 (see 5.2). 6.3 Preoroduction. - 6.3.1 Invitations or bids should proTide that the Government
13、 reserves the right to waive the require- ment for preproduction samples as to those bidders offering a product which has been previously procured or tested by the Government, and that bidders offering such products, who wish to rely on such production or test, must furnish evidence with the bid tha
14、t prior Government approval is presently appropriate for the pending procurement. 6.3.2 Procurements for the Bureau of Ships shall provide for delivery of a preproduction sample to a Government laboratory for tests after successful completion of the tests to be made Gy the supplier. Notice. - When G
15、overnment drawings, specifications, or other data are used for any purpose other than in connection with a definitely related Government procurement operation, the United States Govern- ment thereby incurs no responsibility nor any obligation whatsoever; and the fact that the Government ma!: have fo
16、rmulated, furnished, or in any way supplied the said drawings, specifications, or other data is not to be regarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufacture, use, or sell any patented inv
17、ention that may in any way be related thereto. Preparing actirity: Naxy - Ships (Project 5805-N033Sh) 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-d E Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
