NAVY MIL-R-8573 A (7)-1983 RESERVOIRS AIR NONSHATTERABLE STEEL《不锈钢空气存贮器》.pdf

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1、MILITARY SPECIFICATIONMIL-R=8573AAMENDMENT 718 November 1983SUPERSEDINGMIL-R-8573AAMENOMENT 630 May 1980RESERVOIRS, AIR, NONSHATTERABLE STEELThis amendment forms a part of Military Specification MIL-R-8573A(ASG) ,dated 31Agencies2.1, line6:2.1, line6:Surfaces for2.1, line7:2.1, line 7:2.1, line 8:Ju

2、lv 1957. and is aDDroved for use bv alI Oeartments and of he Department of”Defense.PAGE 2Delete reference to TT-P-664.Add “TT-C-490 Cleaning MethodsOrganic Coating s.”and Pretreatment of FerrousAdd “MIL-P-l 16 Preservation-Packaging Method of.”Add “MIL-I-6866 Inspect iort,Penetrant Method of.”Oelete

3、 reference .to MIL-C-490.2.1, 1ine 12: Delete title of MIL-C-5501 and substitute: “Caps and Plugs,Protective, Dust and Moisture Seal.“2.1, line 16: Delete reference to MIL-S-7742.2.1, 1ine 17: Delete reference to MIL-E-7729.2.1, 1ine 19: Add “MIL-C-22750 Coating, Epoxy-Polyamide. ”* 2.1-,1ine 19: Ad

4、d “MIL-C-22751 Coating System, Epoxy-Polyamide, Chemical andSolvent Resistant: Process for Application of .“2.1, line 19: Add “MIL-C-23377 Primer Coating, Epoxy-Polyamide, Chemical andSolvent Resistant. ”1 2.1, 1ine 19: Add “MIL-C-81773 Coatrings Polyurethane, AliphaticWeather-Res istant.”I 2.1, 1in

5、e 19: Delete reference to MIL-C-81773 and substitute “MIL-C-83286Coat ing Urethane, Aliphatic, I,socyanatefor Aerospace Appl ications.”2.1, line 19: Add “MIL-C-81907 Coating System, Polyurethane, Aliphatic,Weather Resistant: Process for Application of.”FSC 1650Provided by IHSNot for ResaleNo reprodu

6、ction or networking permitted without license from IHS-,-,-MIL-R-8573AAMENDMENT 7PAGE 3: 2.1, 1ine 20: Add “Federal Standard 595 Colors. ”2.1, line 23: Add “MIL-STO-143 Standards and Specifications, Order ofPrecedence for the Selection of.”2.1, 1ine 23: Add “MIL-STD-794 Parts and Equipment, Procedur

7、es for Packagingof.“2.1,2.1.3.3.1,3.4.2,ine 27: Oeleteine 30: Oelete“250-692-2” and substitute “0900-003-9000.”reference to ANA Bulletin No. 143.ine 4: Delete “ANA Bulletin No. 143,” and substitute “MIL-STD-143.”PAGE 4ine 2: Oelete “20 percent,” and substitute: “.20-percent.”*3.5.1 Delete in its ent

8、irety and substitute:“3.5.I Interior finish. The interior surface of reservoirs of all typesof steel other than corrosion-resistant steel shall be finished with eitherprocedure 1 or 2 as follows:ApplicationProcedure Prior Treatment Primer Top Coat and Inspection1 TT-C-490 (Type I) MIL-P-23377 MIL-C-

9、22750 MIL-C-227512 TT-C-490 (Type I) MIL-P-23377 MIL-C-83286 MIL-C-81907The top coat shal1 consist of a minimum of two coats and shal1 be clear(unpigmented). The viscosity and number of coats and draining interval shal1be adjusted to produce a coating thickness of 0.0026 inch minimum. No runs,puddle

10、s or bubbles shall be allowed.3.5.2, Oelete in its entirety and substitute:“3.5.2 External finish. The external finish of reservoirs of all typesof steel other than corrosion-resistant steel shall be finished with eitherprocedure 1 or 2 as specified in 3.5.1, except that the top coat shal1 beblack p

11、er FEO-STO-595, color number 17038.”2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-8573AAMENDMENT 7PAGE 5:, Add the following paragraph:“4.ol Responsibil ity for inspection. Unless otherwisecontract or purchase order, the supplier is responsi

12、ble forall inspection requirements as specified herein. Except as specified in thethe performance ofotherwi se .specified in the contract or order, the SUPPIler may use nls own or any ornerI facilities suitable for the performance of the inspection requirementsspecified herein, unless disapproved by

13、 the Government. The Governmentreserves the riqht to Derform any of the inspections set forth in thespecification w;ere such inspections are deemed necessary to assure suppliesand services conform to prescribed requirement s.”4.2.3, Change paragraph number4.3.1(b), Delete “radiographic“Inspection of

14、 welds. ”4.3.2, line 1: Delete “Three,”PAGE 6to “4.2.2.”inspection of welds,” and substituteand substitute “Two.”PAGE 1Table III, Delete and substitute:“Table 111. Samplinq tests.I Tests Number of reservoirsI Permanent volumetric exoansion (4.4.4) 1Normal temperature leakage (4.4.5.1)Hydrostaticc bu

15、rst (4.4.10)Microstructure (4.4.8)Permanent volumetric expansion (4.4.4) 1Gunfire (4.4.11)Physical 1/ (4.4.6)Internal Finish / (4.4.7)/ The local effects of gunfire or the resulting shock may affect the resultsof these tests. If satisfactory results are not secured, an additionalcylifldermay be test

16、ed. ”4.4.3 Delete first sentence and substitute:“The air reservoir shall be subjected to 4,500 hydrostatic cycles varyingfrom O psig to rated charging pressure for this type, followed by 500hydrostatic pressure cycles varying from 25 percent rated charging pressure tomaximum flight pressure correspo

17、nding to the type as defined in 1.2. Theabove schedule shal1 be repeated 20 times for a total of 100,000 hydrostaticcycles. ”3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-LMIL-R-8573AAMENDMENT 7PAGE 84.4.5.1, line 4: Delete “(4.2.3),” and substitu

18、te “(4.2.2).”PAGE 94.4.9, Delete in its entirety and substitute:“4.4.9 Inspection of welds.”“4.4.9.1 Radiographic inspection. After heat treatment, al1 weldec!joints which are to be subjected to internal pressure must be subjected toradiographic inspection. Defects indicated shal1 not exceed Group I

19、 ofNAVSHIPS Standards 0900-003-9000. Elongated siag inclusions as mentioned inparagraph 3 of NAVSHIPS Standard 0900-003-9000 shai1, for the purposes of thisspecification, be-defined as slag inclusions greater in length than one-thirdthe metal thickness, or longer than 1/16 inch (whichever is smaller

20、), or anyslag inclusion having a sharp tail.”“4.4.9.2 Surface inspection. All welds made of magnetizable materialsshal1 be subjected to magnetic particle inspection in accordance withMIL-I-6868. All welds made of nonmagnetizable material shall be subjected toinspection by the penetrant method “in ac

21、cordance with MIL-I-6866.”4.4.11, Delete “(c)” in its entirety and substitute:“(c) Ammunition: For reservoirs with a diameter of three inches or less,the ammunition shall be .30 calibre M-2 armor piercing, with amuzzle velocity of 2,800 z1OO feet per second (fps). For allothers, the ammunition shalI

22、 be .50 calibre M-2 armor piercing, witha muzzle veiocity of 2,800 =iOO fps.”4.4.11, Delete “(e)” in its entirety and substitute:“(e) Position: The reservoirs to be gunfired shall be mounted with thelongitudinal axis of the reservoir 45 degrees from normal away fromthe gun position. The projectile s

23、hal1 be tumbled and shal1 not beconsidered tumbled unless the .30 calibre projectile produces and“in” hole at least l/4-inch wide by 5/8-inch long, and the .50calibre projecti le produces an “in” hole at least l/2-inch wide byl-1/2-inches long.”4.4.11, Add the following subparagraph:“(f)4.4.11.2,Vel

24、ocity of projectile after tumbling: The projectile velocityshall be monitored during the lastten (10) feet prior to impact.The projectile shall have a minimum velocity of 2300 fps.”Second line: Delete “4.4.12.4” and substitute “4.4.11.”4Provided by IHSNot for ResaleNo reproduction or networking perm

25、itted without license from IHS-,-,-t41L-R-573A. AMENDMENT 7.: 4,.4,11.3, Delete .in its,entirety dnd substitute:.,.,. .-,. . -“Gunfire requirements Thendment were made. This was “done as a convenience only and theI Government assumes no 1iabi1ity whatsoever for any inaccuracies in thesenotations. Bi

26、dders and contractors are cautioned to evaluate the requirementsI OF this document based on the entire content irrespective of the marginalnotations and relationship to the last previous amendment.Custodians: Preparing activitf:Navy - AS Navy - ASAir Force - 99 Project No. 1650-0383Army - AVL6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-