ARMY MIL-T-60207 (2)-1968 TRANSFORMER POWER STEP DOWN 10525910《10525910降压变压器》.pdf

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1、MIL-T-60207 (2) 57 W 7777906 007676b 3 MIL-T-60207(MlJ) AMENDMENT 2 12 July 1968 SUPERSEDING AMENDMENT 1 1 February 1968 MILITARY SPECIFICATION TRANSFORMER, POWER, CTEP-DOWN: 10525910 This amendment forms a part of Military Specification MIL-T-60207(M), dated 26 February 1965. Paragraph 1.1: Paragra

2、ph 3.1: Delete “TF5RXO122“ and substitute 11TF5RX02ZZ1. Delete “TF5RXO122“ and substitute 11TF5RX02ZZ1t. Paragraph 3.3.4.1: Delete 111350F,11 and substitute “135“F, except that it shall meet the requirements ot 3.4.3 after being thoroughly dried,“ * Paragraph 3.4.1: Delete the l.ast sentence and sub

3、stitute: “DC resistance at room temperature shall be between the limits of 5.75 ohms max and 4.25 min. max at -40F the dc resistance shall be 3.16 ohms min.“ DC resistance at +135“F shalLbe 6.47 ohms * Paragraph 3.4.2: Delete columns 7 and 8 in their entirety and sub- stitute the following: “DC Resi

4、stance (ohms) +135 OF - Terminal Room Temp Max Min Max 4-5-6 0.32 om OX 7-8-9 0.14 0.10 10-11-12 . 0.26 0.18 13-14-15 0.45 0.31 O. 157 0.29 O. 506 -40F - Min 0.164 O. 074 0.134 0.231 Column 2, line 4: Add f0.3 after 20.6, Column 5, line 4: Change “20.8“ to “21.1“. Following paragraph 4.1.1, add para

5、graphs 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 first article testing shall be as specified in the contract. The sample for first article approval tests shall co

6、nsist of three (3) units manufactured procedures as used in regular production. packaging and packing, shall be obtained from the same source of supply as used in regular prbduction. in the same manner using the same materials, equipment, processes, and All parts and materials, including 4.1.2.1 Gov

7、ernment testing.- When the Government is responsible for conducting first article approval tests, the contractor, prior to submitting the sample to the Government,.shall inspect the sample to insure FCC 5950 /- THIS DOCUMENT CONTAINS 2- PAGES : . E -. . Provided by IHSNot for ResaleNo reproduction o

8、r networking permitted without license from IHS-,-,-MIL-T-60203 (2) 57 H 797770b 007b7b7 5 H * * i I MIL-T-60207 (MU) AMENDMENT 2 that it conforms to all the requirements of the contract and submit a record of this inspection with the sample, including certificates of conformance for materials. 4.1.

9、2.2 Contractor Testing.- When the contractor is responsible for conducting first article approval tests, the sample shall be inspected and a record of this inspection, including certificates of conformance for materials shall be submitted to the Government or approval. Government reserves the right

10、to witness the contractors inspection.“ The Paragraph 4.2.3: Add the following sentence: “No lots shall be accepted until control samples have been satisfactorily tested.“ Paragraph 4.3.2: *“he units shall be selected at random by a Government representative as control samples from each three (3) mo

11、nths production of portion there- ofas follows: Delete first sentence and substitute: 3 units per first 100 produced 5 units per 200 7 units per 300 9 units per 400 10 units per 500 12 units per 700 15 units per 1000 and 2 units for each 100 items produced in excess of 1000.“ Paragraph, 4.5.1.3.2: D

12、elete “95 I 5 percent“ and substitute “92 to 97 percent“; delete “specified requirements of 3.3.4.1“ and substitute “requirements of 3.3.4.1, except the unit shall be tested as specified in 4.5.2.3 after being thoroughly dried“. Paragraph 4.5.1.5.1, line 1: Delete “Fungus“ and substitute “Fungus res

13、istance“. * 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 Government assumes no liability whatsoever for any inaccura- cies in this notation. Bidders and contractors are cautioned to evafuat

14、e the requirements of this document based on the entire content as written irrespective of the marginal notation and relationship to the last pre- vious amendment. Custodian: Preparing activity: Army - Mu Army-Mu Project No. 59506103 Page 2 of 2 Pages U. S. GOVERNMW PRINTING OFFICG .UF510/&865 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-