1、SPECIF KATIONS MILITARY MIL-M-11473 M IL-W -22248 MI L-L -25567 STANDARDS M IL ITARY MIL-STD-105 MIL-STD-1261 MS 1 8024 - Magnetic-Particle Inspection, Soundness Requirements for - Weldments, Aluminum and Aluminum Alloy. - Leak Test Compound, Oxygen Systems. We I dmen t s - Sampling Procedures and T
2、ubles for Inspection by Attributes. - Welding Procedures far Constructional Steels. - Tag, Shipping. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HIL-C-3bL2A LO a 77777Ob 03053% 7 m MIL-C-38612A(MU) DRAW 1 NGS US AIR FORCE DL65E9008 - Cotitaincr,
3、Shipping and Storage, CNU-77/E23. . (All drawings referenced in this specification are listed on the above draw i ng . ) (Copies of specifications, standards, drawings and publications required by contractors in connection with specific procurement functions should be obtained from the procuring act
4、ivity or as directed by the contracting officer,) 3. REQUIREMENTS 3 1 Materials and components. 3.1.1 Materials. All materials cited on Drawing DL65E9008 or on the subsidiary drawings ;Gcak, fracture or show any visiblo signs of failure or allow domage to the spray tcrtik which would render it unser
5、viccable when tested as specified in 4.2.3.2, 3.4.3 Impact. The container when subjected to an impact of 9 feat per second shall not crack,-Kal, fracture or sliow any visible signs of failure or allow domuge to the spray tank which would render it unserviceable when tested as specified in 4.2.3.3. 3
6、,4.4 Roll-over. The container when subjected t forces experienced by being turned over shall-, brsuk, fracture OP OIIOW any visible signs of failure or allow damage )o the spray tank which would render it unssrvicenbls when tested as specified in 4,2,3,4, 3.4.5 Vacuum - retention, The corifciinsr wh
7、en subjected to a negative differential pressure om f 0,5plgiall show no indicated gain in pressure when tested as specified in 4.2.3.5, This requirement shall be evaluated for compliance ufter the pressure retention test (4.3.3.2) has been successfully completed. 3.4.6 Modification welding. Welding
8、 shall conform to Drawing 65E9008, subsidiary drawings and this specification. Magnetic particle inspection and acceptance standards for all steel modification welding shall be in accordance with 4.2.8.6. 3.5 Workmanship. The container shall be free from foreign matter (dirt, oil, or grease) and dam
9、age such as dents, cracks or deformation which may affect its intended use. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. 4.1 .1 Suppliers responsibility. Unless otlierwise specified in the contract or purchase order, the supplier is responsible-for the performance of all inspec
10、tion requirements as specified herein. Except as otherwise specified, the supplier may utilize his own facilities or any commercial laboratory acceptable to the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are d
11、eemed necessary to assure supplies and services conform to prescribed requirements. 3 . t Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-C-38612A LO 0b 0305LiOL 3 = M IL -C -380 1 2A( MU) 4.1,2 Obicctivc evidence. The supplier shall provide obi
12、ectiv -.- acceptabl to the contiacting officer that the requirements oi 3.1 and section li for which specilic inspection lias not been provided in this specification have been satisfied. evidenc 4.2 Preproduction. 4.2.1 - Sample. A preproduction sample of three containers chal I be manufactured usin
13、g the same methods, materials, equipment and processes as will be used during regular production, 4.2.2 Examination and nondestructive tests. The sample containers shall be examined for all requirements of the drawings and this specification and tested as specified in 4.2.3 and 4.3.3. 4.2.3 Preprodu
14、ction tests. The spray tank (see 6.2(c)shall he filled with 1,356 f 10 pounds of water and antifreeze (to prevent freezing at normal ambient temperature at time of test) prior to placing in the Container. The fiIlCd spray tank shall be properly stowed in the container before the Container is tested
15、as specified in 4.2.3.1, 4.2.3.2, 4.2.3.3 and 4.2.3.4. All valves in the container shall be blocked, prior to testing against opening at pressures within their operating range, 4.2.3.1 Free fall drop. The container shall be raised to a height of 12 f 0.5 inch measured from the bottom of the four ski
16、ds to a steel, stone Dr concrete surface of sufficient mass to absorb the shock without deflection, and allowed to fall freely under the force of gravity. The container shall then be leak tested at an air pressure of 4.0 f 0.5 psig. During leakage test all welds, joints, closure flange and plumbing
17、shall be inspected with a liquid leak detector conforming to the performance requirements of MIL-L-25567. After above tests, the container chal I be inspected visually internally and externally for signs of failure in such areas (but not limited to) as fittings, permanent joints, drain plugs, hardwo
18、od skids, humidity indicator port, record receptacle, explosive container and suspension system. The container contents including spray tank shall be inspected for signs of failure; no damage shall be evident. No leakage is permitted in the spray tank and the container. Provided by IHSNot for Resale
19、No reproduction or networking permitted without license from IHS-,-,-MIL-C-38612A 10 U 777970b 0305402 5 4.2.3.2 Corncrwise drop. Tho Container shall be supported at one corner of its base on a block 5.0 rt: o.minclifiigli. A 12.0 + 0.5 inch block shall be placed under the opposite corner of ttic. s
20、ame end of the coiitaiiipr. The lowest point of the other end of the coiitaincr licrll b raiscd to a Iieight of 12.0 il 0.5 inch and ullowc!d to fall freely onto ci surfricc pi I, 7.3, 1 , Tlic tmt sliall Of tq$icvl to caclr of Ihr! foiir cot tiers of tlichaw, Ilic cciritoiwt shall thcn bc Imk tr:st
21、crl ut an air prcFsuIc of 4.0 I 0.5 psig. t.hring leokage test all wckls, joints, closure flatiyc and pIiJnihin(3 shall bc inspected with a Ieuk detector conforming to the pei formance requirements of MIL-L-25567. After above tests the container shall be inspected visually internally and externally
22、for signs of failure in such arpas (hut not limited to) as fittings, permanent joints, drain plugs, hardwood skids, Iiuiiiidi ty indicator port, record receptacle, explosive container and suspension system. No Icokage is permitted in the spray tank und the Container. The container contents including
23、 spray tank shall be inspected in accordance with 4.2.3.1. - 4.2.3.3 Impact. The container shall be impacted on each end by a pendulum or equivalent method at the velocity specified in 3.4.3 against an unyielding surface. The container shall then be leak tested at an air pressure of 4.0 f 0.5 pig. D
24、uring lecikage test all welds, joints, closure flange and plumbing shall be inspected with a liquid leak detector conforming to the performance requirements of MIL-L-25567. After above tests, the container shall be inspected visually internally und externally for signs of failure in such areas (but
25、not limited to) as fittings, permanent joints, drain plugs, hardwood skids, humidity indicator port, record receptacle, explosive container and suspension system. The container contents including spray tank shall be inspected in accordance with 4.2.3.1. No leakage is permitted in the spray.tank and
26、the container. 4.2.3.4 Roll-over. The container shall be tipped slowly from its erect and normal shipping attitude until it falls freely and by its own weight on its side. The container shall be tipped in this manner for a 360“ cycle in the direction from side to top to side to normal position. The
27、container Shall then be leak tested at an air pressure of 4.0 * 0.5 psig. During leakage test all welds, joints, closure flange and plumbing shall be inspected with a liquid test detector conforming to the performance requirements of MIL-1-25567. After above tests, the container shall be inspected v
28、isually internally and externally for signs of failure in such areas (but not limited to) as fittings, permanent joints, drain plugs, hardwood skids, humidity indicator port, record receptacle, explosive container and suspension system. The container contents including spray tank shall be inspected
29、in accordance with 4.2.3.1 No leakage is permitted in the spray tank and the container. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-3bL2A LO W q777706 0305Ll03 7 4.2.3.5 Vacuum .-. retention. The Container shall be evacuated to a negative
30、 differential prcssure of 3.0 :k 0,s psig below atmospheric pressure. There shall be no more than 0.10 psis indicated gain in pressure over the 24 hour period after stabilization is attained, A man/mnclrine error correction of f 0.05 psig shall be applied to the computed gain before determining whet
31、her ?the pressure gain meets the requirements. I 4.2.3.6 Welding. Welding acceptance shall be in accordance with MIL-STD-1261 and as follows: (a) No cracks allowed - (figures 1, 2, and 3 of MIL-M-11473). (b) Fusion - Combined total I.ck of fusion shall not exceed 1 inch in each (c) Undercut - Combin
32、ed total of undercut shall not exceed 1-1/2 inch (d) Penetration - Combined total of incomplete penetration shall not (e) Porosity - Scattered porosity shall not exceed the pattern?of plate 6 inches of weld (figure 4 of MIL-M-11473). in each 6 inches of weld (figure 5 of MIL-M-11473). exceed 1 inch
33、in each 6 inches of weld. 11 of MIL-W-22248. 4.2.4 Acceptance/rejection criteria. The preproduction sample shall comply with the examinations and tests specified in 4.2.2 to be acceptable. 4.3 Regular production. L3 4.3.1 Lotting. A lot chal I consist of the containers except M11 canisters produced
34、by one manufacturer, at one plant, from the same materials, under essentially the same manufacturing conditions. 4.3.2 Sampling for examination and nondestructive tests. Each container shall be examined and tested as specified in 4.3.3 One container shall be taken at random from each month?s product
35、ion and examined and tested as spe.cified in 4.2.3 and 4.3.3. 4.3.3 7 Tests. All valves shall be blocked during tests against opening at: pressures within their operating range. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI L-C-386 1 %(MU) 4,3
36、.3.1 Structual pressure. - The container shall be subjected to an air pressure of 2.0 * 0.5 $g and all scams, joints, plumbing and welds checked for leukagr! with a liquid leak dc tector conforming to the perfoimance requircmcnts of MIL-L-25567, Thc pressure shall be increased to 5.0 :t 0.5 psig and
37、 held for n maximum priod of 1 minute and then decreased to 3.0 rt: 0.5 psig. The container shall be checked for leakage with a liquid leak detector. The container shall tlien be subjected slowly to a pressure of 0.0 :k 0,5 psig for a minimum period of 1 minute. The contaitier may leak at the closur
38、egeal only. The pressure shall be decreased to 5.0 & 0.5 psig and the container checked for leakage with a liquid leak detector, There shall be no leakage except.as noted above. 4.3.3.2 Pressure retention. The container shall be subjected to an air presscire of 4.0 f 0.5 psig. The container pressure
39、 shall be measured for 24 hours after stabilization of pressure and temperature by means of gages, manometers or other suitable means which are capable of recording values to the nearest 0.05 psig (O. 10 inch of mercury). The ambient temperature and container pressure shall be recorded. The containe
40、r air pressure and temperature shall again be recorded and the pressure corrected for any temperature or barometric pressure change after the above test is completed. There shall be no more than O. 10 psig loss of pressure indicated over the 24 hour period after stabilization is attained and a man/m
41、achine error correction of rt 0.05 psig to the computed pressure loss is armlied, random from each months preproduction shall comply with the examinations and tests specified in 4.2.2 to be acceptable (see 6,4). When a random sample container selected from the months production fails any of the test
42、s specified in 4*3.2, the remaining containers of the lot shall be sampled and examined in accordance with MIL-STD-105, level S-2, using an AQL of 2.5 percent defective for the defects that contributed to test failure. 5. PREPARAT 5.1 Packing. ON FOR DELIVERY Not applicable. In addition to any speci
43、al marking required by the contract or order, 5.2 Marking, shipping and storage containers shal I be marked in accordance with Drawing 65E9008. A shipping tag conforming to MS18024 shall be attached by wiring to one of the lifting brackets. The tag shall note the consignee and consignors name and ad
44、dress (see 6.2(d). 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-386L2A LO = 7777706 0305405 O W MIL-C-3861 %(MU) 6. NOTES 6.1 Intended use. The container covered by this specificution is intended for use as a domestic and overseas shipping
45、 and storage container for the filled TMU-28/B spray tank and accessories . 6.2 Ordering data o Procurement documents should specify the fol lowing: (a) Title, number and date of this specification. (b) Preproduction. (1) Time allowed for supplier submission of any samples for Government test (2) Na
46、me and address of test facility and shipping insturctions when testing (3) Time required for the Government to notify the supplier whether or not and evaluation after award of contract. is performed by the Government. to proceed with production. (c) Number of spray tanks (Dwg 63556706) and accessori
47、es to be supplies by the Government and date to be dqliSbed. (d) Shipping destination. 6.3 fnodification. The container covered by this specification is a modified 557 jet engine shipping and storage container. Work on the container modification, as specified on drawings cited in this specification,
48、 is described in T.O. 35E20-3-1-2, Modification Procedure . 6.4 Rejected containers. Rejected containers may be reworked to Government approved procedures and resubmitted for testing . Custodian: Army - MU Preparing activity: Army - MU (EA) Review interests: Air Force - 18 Project No. 104O-AO67 *US. GOVERNMENT PRINTING OFFICE: 1967-251-519/5?60 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
