NAVY MIL-T-21674-1958 TEST SET MARK 177 MOD 0《177号0型测试装置》.pdf

《NAVY MIL-T-21674-1958 TEST SET MARK 177 MOD 0《177号0型测试装置》.pdf》由会员分享，可在线阅读，更多相关《NAVY MIL-T-21674-1958 TEST SET MARK 177 MOD 0《177号0型测试装置》.pdf（13页珍藏版）》请在麦多课文档分享上搜索。

1、MILITARY SPECIFICATION TEST SET MARK 177 MOD O 1. SCOPE 1.1 This specification establishes the requirements for the procurement of Test Set Mark 177 Mod O. forms and checks the firing condensers used in A-5 and M-11 type firing mechanisms. This test set 2 . APPLICABLE DOCUMENTS 2.1 The following spe

2、cifications, standards, drawings, and publications of the issue in effect on date of invitation for bids, form a part of this specification. SPEC IF ICAT IONS FEDERAL PPP-B-601 PPP-B-621 PPP -B-636 Boxes, Wood, Cleated-Plywood . Boxes, Wood, Nailed and Lock-corner . Boxes, Fiber . MILITARY MIL-P-116

3、 MIL-B-13 1 MIL -V-l7 3 Preservation, Methods of . Barrier Material; Vater Vaporproof, Flexible Varnish, Moisture and Fungus Resistant, for the Treatment of Communications, Electronic and Associated Electrical Equipment Provided by IHSNot for ResaleNo reproduction or networking permitted without lic

4、ense from IHS-,-,-MIL-T-23.674 (NOrd) MIL-S-6872 MIL-P-17555( SHIPS) STANDARDS MILITARY MIL-STD-105 MIL-STD- 129 DRAWINGS BUREAU OF ORDNANCE LD 275007 LD 284866 1476194 Soldering Processes, General Specification for. Preparation for Delivery of Electronic Equipment; Miscellaneous Electrical Equipmen

5、t (Except Rotating Electrical Equipment) and Associated Repair Parts. Sampling Procedures and Tables for Inspection by Attributes. Marking for Shipment and Storage. Test Set Mark 177 Mod 0. Preparation for Delivery for Test Set Cable Assemblies. Marking Instructions for Storage and Shipping Containe

6、rs. And all documents listed in the above LDis and drawings. PUBLICATIONS BUREAU OF ORDNANCE NAVORD OP 400 General Instructions for the Design, Manufacture and Inspection of Naval Ordnance Equipment. cations required by contractors in connection with specific procurement functions should be obtained

7、 from the procuring activity or as directed by the contracting officer.) (Copies of specifications, standards, drawings, and publi- 3 . REQUIREMENTS 3.1 General requirements. 3.il Test Set Mark 177 Mod O shall be manufactured in accordance with LD 275007 and all documents listed thereon. -. _I_ 2 Pr

8、ovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I _ - MTIL-T-2Lh74 66 7777706 0330484 L 3.6 Wirinq. - All internal wiring shall be cabled wher- ever possi

9、ble . I following performance requirements and product characteris- I 3.7.1 Insulation resistanoe. - The insulation resistance between electrical circuits and between each circuit and the chassis shall be not less than 50 megohms when tested as specified in 4.5.3. 1-7-2 Power suaalv outout. - The Do

10、wer supply output I as specified in 4.5-.4.- I 3.7.3 V.T.V.M. calibration. - The test set meter shall indicate the same as the external voltmeter within f 2 percent, when connected and tested as specified in 4.5.5. indicate 47,000 *ti5 percent ohms and 1 megohm f 5 percent, when connected and tested

11、 as specified in 4.5.6. 3.7.4 S3 and S4 switch contacts. - External ohmmeter shall _ J., ., v, u-. - be properly connected as vzified by iesting as specified in 7-8 bnrkmRnshin and cleanliness. - The test set shall be 4.5.7. I _- _ chips, and thr foreign matter . -Necessary precautions shall be take

12、n during manufacture and assembly to insure these con- ditions. 4. I QUALITY ASPURANCE PROVISIONS AND TEST REQUIRENEXTS. I 4.1 Government inmection. - The Government inspector will make such inspections as are necessary to determine that all components and assemblies are in accordance with the re- q

13、uirements of the contract, pertine drawings. Unless otherwise specified, these inspections will be conducted in accordance with instructions contained in OP 400. I 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-2167q 66 7777706 O130485 3 f M

14、IL-T-21674 (Nord) 4.1.1 Ssmpling. - Unless otherwise specified, and when applicable, the sampling plans and procedures used by the Government inspector in the determination of the acceptability of products submitted by a supplier for Government inspection will be in accordance with the provisions of

15、 MIL-STD-105. 4.1.2 PreDroduction sample. - Unless otherwise specified for each contract or order, a representative sample of one test set shall be manufactured using the methods and pro- cedures proposed for full production. The Government in- spector shall perform, witness, or participate in such

16、inspections and tests on the sample as are required for full production. Upon conditional acceptance by the inspector, the preproduction sample shall be forwarded, together with a report of inspect.ion, to an activity designated in the con- tract or by the procuring agency, for the purpose of deter-

17、 mining compliance with the requirements of the contract, specifications and drawings. by the contractor, prior to approval of the contracting activity or the completion of the tests on preproduction samples, shall be at the contractorts risk. Preproduction samples accepted will be applied as part o

18、f the quantity specified by the contract or order. Further production of the item 4.1.2.1 Preproduction sample for a subseauent contract. . The necessity for a preproduction sample will be determined by the procuring agency when production under a new contract by the same contractor at the same loca

19、tion follows the man- ufacture of satisfactory material as covered by this document. m. - As appliedto the Government inspection of units of product, the term lllotll shall mean linspection lot“, i.e. a collection of wits of the product used as a basis for Government inspection. Unless otherwise spe

20、cified, the number of units of product in llinspection lots1 shall be as determined by the Government inspector, and may differ from the quantity desj-gnated in the contract or order as a lot for production, shipment, or other purpose. shal.1 be conducted in accordance with provisions of !In- specti

21、on by Contractor“ as contained in OP 400. 4.1.3 4.2 Contractors inspection. - Contractorts inspection 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-21674 (Nord) 4.3 Classification of tests, - The inspection and test- int of mechanisms cover

22、ed by this document shall be classi- fied as follows: (a) acceptance tests (b) preproduction tests 4.3.1 Acceptance tests. - Acceptance tests for acceptance of the test set covered by this specification shall consist of tests to determine compliance with all requirements specified in this document .

23、 4.3.2 Preproduction tests. - Preproduction tests are those performed on samples submitted in accordance with 4.1.2 to determine that the lot and production meet all the re- quirements of this specification. Acceptance shall be based on no defects in a sample. 4.4 Test equipment. 4.4.1 Test and insp

24、ection equipment and facilities. - Unless otherwise specified, the manufacturer shall furnish and maintain all necessary test equipment, facilities and personnel for performing all acceptance tests under the supervision of the Government inspector. The test equipment shall be adequate in quantity, a

25、nd unless definite requirements are specified, they shall be of sufficient accuracy and quality to permit performance of the required acceptance tests. 4.4.1.1 as follows: Equipment required for performing these tests is (a) One (i) megohmmeter-500-volts d-c. Range 10.0-100 megohms, accuracy within

26、I10 per- cent b (b) One (i) d-c voltmeter. Range O-150-volt range, accuracy within *2 percent of full scale reading. and 1-5 megohms, accuracy within *3 percent of full scale reading. (c) One (1) ohmmeter. Ranges O-100,000 ohms 6 -. I_ -. Provided by IHSNot for ResaleNo reproduction or networking pe

27、rmitted without license from IHS-,-,-/-I MIL-T-23674 66 W 9777906 0330487 7 m (d) J iS-voit, 60-cycle, a-c supply. 4.5 Tests. 4.5.1 Test conditions. - Unless otherwise specified, tests shall be performed at 8O AlOOF and ambient relative humidity. 4.5.2 Visual inspection. - The test set an6 its compo

28、nent parts shall be inspected to verify that the materials,.design, construction, physical dimensions, soldering and workmanship are in accordance with this document and the drawings. jected to a conditioning period of 24 hours at a temperature of 77“ f2T, and a relative humidity of 75 f 5 percent.

29、megohmmeter (item 4.4.1.1 (a), the insulation resistance as specified in 3.7.1 shall not be less than 50 megohms. 4.5.3 Insulation resistance. - The test set shall be sub- Using 4.5.4 Power supply output test. (a) Set test set switches as follows: 1. ON-OFF at OFF. 2. CHARGE-CHECK at CHECK. 3. PLUG

30、IN CONDENSERS-M-11 MECH. at M-11 MECH. 4. Selector at OFF. 5. HALF CHARGE-FULL CHARGE at FULL CHARGE. (b) Connect CA-731 cable to test set AC PLUG and (c) Connect positive terminai of external volt- 115-volt power supply (item 4.4.1.1 (a). meter (item 4.4.1.1 (b) to pin 6 of socket 1 on test set pan

31、el; connect negative terminal to pin 1. voltmeter shall indicate i50 .* 7 volts. (d) Set Ofl-OFF switch at ON. After warm-up period, (e) Set FULL CHARGE-HALF CHARGE switch at HALF CHARGE, Voltmeter shall indicate 75 volts *5 percent. 7 Provided by IHSNot for ResaleNo reproduction or networking permi

32、tted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Remove ohmmeter terminals from cinc 3 and 6 and connect to pins 5 and 6. Keter shall indicate 47,OCO ohms *15 percent. Repeat steps (c) and (d) for sockets 2 through 20

33、. Meter shall indicate 47,000 ohms Il5 per- cent when connected to each pair of pins. Set CHARGE-CHECK switch at CHECK. Set PLUG 1): CONDENSERS-K-11 MECH. switch at PLUG IN CONDENSERS. Connect external ohmmeter terrinals to pins 3 and 6 of socket 1. Meter shall indicate 1 megohm *5 percent. Remove o

34、hmmeter . Repeat steps (.h) and (i) for sockets 2 through 20. Meter shall indicate 1 megohm *5 percent when concected to each socket. 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-T-21674 66 m 7977906 0130L170 7 m (i) Set PLUG IN CONDENSERS-

35、M-11 MECH. switch at M-11 MECH. (j) Set selector switch at each of its numbered (i through 20) positions. Test set meter shall indicate zero at each switch position when shorting pins 3 and 1 of sockets 1 through 20 in turn (corresponding to selector switrch positions). Set selector switch and ON-OF

36、F switch at OFF. (k) (i) Remove CA-731 cable. 4.5.8 Acceptance criteria. - Failure of any test set to meet any of the requirements and tests of this specification shall result in rejection of the test set. If the number of failing test sets exceeds the number permitted by the associated criteria, th

37、e lot represented will be rejected. 5. PRBPARATION FOR DELIVERY. 5.1 Preservation and packaging. 5.1.1 packaging shall be in accordance with Specification MIL-P-27555. 5.i.i.i Cleaning, drying, and preservative application. - (Not applicable) 5.1.1.2 Unit packaging. - Prior to unit packaging, all te

38、st set cables shall be packaged in accordance with Bureau of Ordnance LD No. 284866. Each test set shall be packaged in a Type I, Class 1, Style RSC corrugated fiberboard box, having a minimum Mullen test of 275 pounds, conforming to the require- ments of Federal Specification PPP-B-636. Sufficient

39、fillers and folded corner pads, fabricated from the same box material, shall be utilized within the carton to provide a tight pack and to prevent direct contact between protrusions of the test set case and the walls of the fiberboard box. Level A. - In addition to the following, Level A 5.l.l.2.l Th

40、e unit package, prepared as described above, shall be further packaged Method TA-14 conforming to the require- ments of Military Specification MIL-P-116. The inner carton with all corners blunted shall be inserted into a water- vaporproof bag fabricated from Class I barrier material con- forming to

41、the requirements of Military specification MIL-B-131, and closure heat-sealed. The outer carton shall be a Class 2, Style RSC fiberboard box conforming to the requirements of Federal Specification PPP-B-636, W5c or W5s compliance symbol. Provided by IHSNot for ResaleNo reproduction or networking per

42、mitted without license from IHS-,-,-MIL-T-21674 (Nord) 5.i.i.3 Intermediate package. - (Not applicable) 5.1.2 Level B. - (Not applicable) 5.1.3 Level Co 5.1.3.1 Cleaning, drying, and preservative application. - - 5.1.3.2 Unit packaging. - Unit packaging shall be in (Not applicable) accordance with M

43、ethod III of Militar The unit package shall contain one (i 5 test set. Specification MIL-P-116. 5.1.3.3 Intermediate package. - (Not applicable) 5.2 Packing . 5.2.1 Level A. - In addition to the following, Level A packaging shall be in accordance with Military Specification MIL-P-17555. 5.2.1.1 Exte

44、rior containers. - Each test set, individually packaged as specified above for Level A protection, shall be packed im an overseas type wood-cleated plywood box or in a Class 2, Style 2, 2 1/2, 3 or 4 nailed wood box conforming to the requirements of Federal Specifications PPP-B-601 or PPP-B-621, res

45、pectively. 5.2.1.1.1 When a nailed wood box is selected to be used for shipment, box lumber shall conform to Group I, II or III woods of Federal Specification PPP-B-621. The lumber shall be of one (1) inch nominal thickness and surfaced on both sides. 5.2.2 Level B, - In addition to the following, L

46、evel B packaging shall be fn accordance with Military Specification MIL-P-17555. 5.2.2.1 Exterior containers. - Each test set, individually packaged as specified above for Leva1 A protection, shall be packed in a domestic type wood-cleated plywood box or in a Class 1, Style 2, 2 1/2, 3 or 4 nailed w

47、ood box conforming to the requirements of Federal Specifications PPP-B-601 or PPP-B-621, respectively. 5.2.3 Level C, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-21674 bb m 999990b 0130492 O m 5.2.3.1 Exterior containers. - Each test set, p

48、ackaged in accordance with cj.l.3.2, shall be packed in a manner which will provide protection against damage during direct shipment from the supply source to the first receiving activity for immediate use. Containers shall comply with common carrier rules and regulations applicable to the mode of t

49、ransportation. 5.3 Marking . 5.3.1 Special marking. - The following precautionary marking shall be stenciled or stamped on the top, one (i) side and one (1) end of the shipping container: DELICATE INSTRUMl3NT HANDLE WITH CARE 5.3.2 Normal marking. - In addition to any special marking required by the contract or order, a