ARMY MIL-T-60206 (2)-1968 TRANSFORMER POWER STEP DOWN 10525900《10525900降压变压器》.pdf

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1、* -. MIL-T-6020b (2) 59 H 7999906 007b754 7 . F - . - . . . MIL-T-60206 (MU) AMENDMENT 2 12 July 1968 SUPERSEDING AMENDmm 1 1 February 1968 MILITARY SPECIFICATION TRANSFORMER, POWER, STEP-DOWN: 10525900 This amendment forms a part of Military Specification MIL-T-60206(MlJ) , dated 26 February 1965.

2、Paragraph 3.3.4.1: Delete “135OF.“ and substitute “135OF, except that it shall meet the requirements of 3.4.3 after being thoroughly dried.“ Paragraph 3.4.1: Delete last sentence and substitute: “DC resistance at room temperature shall be 4.4 ohms max and 3.2 ohms min. Dc resistance at +13SF shall b

3、e 4.95 ohms max at -40F de resistance shall be 2.38 ohms min.“ Paragraph 34.2: Delete columns 7 and 8 in their entirety and sub- stitute the following: “DC Resistance (ohms) -40F - Terminal Room Te% +135 OF Max Mi Max Min 4-5 -6 140.0. 93. O 157.60 69.24 7-8-9 22.0 16.0 24.76 11.91 10-11-12 0.77 0.5

4、8 O 867 0.43 13-14-15 0.19 0.15 0.214 o. 11 16-17-18 0,46 0.34 0.518 0.253 Following paragraph 4.1.1, add paragraphs 4.1.2., 4.1.2.1 and 4.1.2.2. “4.1.2 First article (initial production) approval.- The requirement for first article approval and the responsibility (Government or contractor) for firs

5、t article testing shall-be as specified in the contract. sample for first article approval tests shall consist of three (3) trans- formers manufactured in the same manner using the same materials, equip- ment, precesses, and procedures as used in regular production. All parts and materials, includin

6、g packaging and packing, shall be obtained from the same source of supply as used in regular production. The 4.1.2.1 Government testing.- When the Government is responsible for conducting first qrticle approval tests, the contractor, prior to sub- mitting the sample to the Government, shall inspect

7、the sarapie to insure that it conforms to all the requirements of the contract and submit a record of this inspection with the sample, including certificates of con- formance for materials. FSC 5950 / -, THIS DOCUMENT CONTAINS -a PAGES F Provided by IHSNot for ResaleNo reproduction or networking per

8、mitted without license from IHS-,-,- _ _. .* MIL-T-60206 (2) 57 7377706 0076755 7 MIL-T-60206 (MU) AMENDMENP 2 . 4.1.2.1 Contractor Testinn.- When the contractor is responsible for conducting first article approval tests, the sample shall be inspected and a record of this ingpection, including certi

9、ficates of conformance for materials shall be submitted to the Government for approval, Government reserves the right to witness the contractors inspection,“ The * Paragraph 4.2.3: Add the folkwing sentence: %o lots ehall be accepted until control samples have been ratisfactorily tested.“ * Paragrap

10、h 4.3.2: Delete first eentence and substitute: “The units shall be selected at random by a Government representa- tive as conttol samples from each three (3) months production or portion thereof as follows: 3 units per first 100 produced 5 units per 200 . 7 units per 300 9 units per 400 , 10 units p

11、er 500 12 units per 700 15 units per 1000 and 2 units for each O0 tems produced in excess of 1000.“ Paragraph 4.5.1.3.2: Delete “95 f 5 percent“ and substitute “92 to 97 percent“; delete “specified requirements of 3.3.4.1 and substitute “re quirements of 3.3.4.1, except the unit shall be tested as s

12、pecified in 4.5.2.3 after being thoroughly dried“. , Paragraph 4.5.1.5, line 1: Delete “FiJNGUS“ and substitute !Fungus resistance“. * The outside margins have been marked to indicate where additions to the previous amendment have been made. This has been done as a convenience only and the Governmen

13、t assumes no liability whatsoever for any inaccura- cies in this notation. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content as written irrespective of the marginal notation and relationship to the last pre- vlous amendment. Gistodian: Amy - MU /- Reparing activity: -Y *- Mu Project No. 5950- A102 Page 2 of 2 Pages .fr U. S GOVERNMENT PRINTING OFFICE S68-341.51O/Ar866 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-