1、. MIL-V-2443 (II) 13 979770b 0360734 T E -2g-94 1 INCH-POUND I MIL-V-82443( OS) AMENDMENT 1 27 January 1989 MI L I TARY SPEC I FI CAT ION VALVE , FUEL SHUT-OFF This amendment forms a part of MIL-V-82443(OS), dated 10 May 1966, and is approved for use within the Naval Sea Systems Comand, Department o
2、f the Navy and is available for use by all Departments and Agencies of the Department of Defense. Wherever appearing in the specification, delete “cycles per second“ and substitute “hertz“, delete “cps“ and substitute “HzH and delete “preproduction“ and substitute “first article“ Page 1 . 2.1, under
3、 “STANDARDS,“ delete “MS33586“ and its title and substitute “MI L-STD-889 Di s s i mi 1 ar . Me ta 1 s I*. Page 2 2.2, delete in its entirety and substitute: “2.2 Other Government documents, drawings, and publications. The following other Government documents, drawlngs, and publications form a part
4、of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. CODE OF FEDERAL REGULATIONS 49 CFR 100-199 Transportation (The Code of Federal Regulations is available from the Superintendent of Documents, U.S. Government Printing Office,
5、Washin ton, DC 20402, “2.3 Order of precedence. this specification and the references cited herein, the text of this document takes precedence. laws and regulations unless a specific exemption has been obtained.“ Orders should specify “49 CFR 100-199 (latest revision)“. 3 In.the event of a conflict
6、between the text of Nothing in this document, however, supersedes applicable Beneficial comments (recommendations, additions, deletfons) and any pertinent data which may be of use in improving this document should be addressed to: Comnanding Officer, Naval Ordnance Station, standardization Branch (3
7、730), Indian Head, MD 20640-5000, by uslng the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A 1 of 5 FSC 1355 DISTRISUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot
8、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-RIL-V-AZLI43 (3) 13 999990b 0360935 3 W :. MIL-V-82443( OS) AMENDMENT 1 ?age 3 3.2.3.2, line 4, delete “MS33586“ and substitute “MIL-STD-889“. 3.3.2, delete and substitute: 3.3.2 Leakage at operating pressure. 3.3.2.1 Le
9、akage before .firing. Before firing, the valve shall be capable of withstanding an internal operating pressure of, 4500 psig, when. pressure is applied to the normally closed (NC) outlet port only. 3.3.2.2 Leakage after firing. After firing, the valve shall be capable of withstanding an internal ope
10、rating pressure of 4500 psig, when pressure is applied to the now closed normally open (NO) outlet port .only.“ . Page 7 4.1, delete in its entirely and substitute: “4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the
11、 performance of al 1 inspection requirements (examinations and tests) as specified herein. Except as otherwise specified fn the contract or purchase order, the contractor inspection requirements specified herein, unless disapproved by the inspections set forth in the specification where such inspect
12、ions are deemed necessary to ensure supplies and services conform to prescribed requirements. may use his own or any other facilities suitable for the performance of the Government., The Government reserves the right to perform any of the der , . *re I “4.1.1 Responsibility for compliance. All items
13、 shall meet all requirements of sections 3 and 5. The inspection set forth in this specification shall become a part of the contractors.overal1 inspection system or quality program. specification shall not relieve the contractor of the responsibility of assuring that all products or supplies submitt
14、ed to the Government for acceptance comply with all requirements of the contract. Sampling inspection, as part of manufacturing operations, is an acceptable practice to ascertain conformance to requirements, however, this does not authorize submission of known defective material, either indicated or
15、 actual, nor does it commit the Government to accept defective material .II The absence of any inspection requirements in the Page 9 Table IV, starting with “No-Fire Current,“ delete through the end of the table and substi tute: 2 Provided by IHSNot for ResaleNo reproduction or networking permitted
16、without license from IHS-,-,-MIL-V-82443( OS) AMENDMENT 1 II 1 P raqrap h Test Seauence I Tests Re f re n ce A B CD E F No-Fi re Current 4.4.4.12 . 4 Leakage at Operating Pressure, Outlet Port (NC), Before Firing 4.4.4.16 5 44 Firing Current 4.4.4.13 6 55 Visual Inspection, After Firing 4.4.4.14 7 6
17、666 Ram Operation 4.4.4.15 8 7777 Leakage at Operating Pressure, Outlet Port (NO), After Firing 4.4.4.17 9 8888 Page 15 4.4.4., delete and substitute: “4.4.4.16 Leakage at operating press.ure, outlet port (NC), before firing. With the squib Sri the valve body and before firing, the valve shall be su
18、bject.ed to a pessure of 4500-t. 200 psig using s test shall be repeated with pressure applied for 5 minutes simultaneously to the inlet and outlet (NO) ports. The valve shall be re-examined for evidence of permanent distortion.“ Prior to assembly of a squib into the 3 Provided by IHSNot for ResaleN
19、o reproduction or networking permitted without license from IHS-,-,-Sampling and Test Sequence Tests 1,4,Etc. 2,5,ftc. 3,6,Etc . High Temperature Operating 2 4 Leakage at Operating Pressure, Leakage at Operating Fressure, Outlet Port (NO), After Firing 3 4 6 Visual Inspection After Firing 54 6 5 56
20、8 Outlet Port (NC), Before Firing 3 4 Firing Current 4 5 Ram Operation 5 57 II 4 4 k Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-t c MIL-V-82443( OS) AMENDMENT 1 (a) Title, number and date of this specification (b) Whether a first article sample
21、is required (see 3.2.2) (c) Place of first article inspection (see 4.3.1) (d) Place of delivery, (e) Whether the contractor is responsible for inspection (see 4.1 and (f) Whether the contractor should use his own or other suitable (9) Any special marking requirements (see 5.2.1) (h) Hazard classific
22、ation“ 4.3. i) facility (see 4.1 and 4.3.1) Page 26 Add the following: “6.8 First artlile, When a first article inspection is required, the contt.rictiFigshould pravide specific guidance to offerors whether the item ShoUld br: a first article sample (see 3.2) and the number of items to be tested as
23、specified in 4.3.1. The contracting officer should also include specif75 instr-cctions in acquisition documents regarding arrangements for examinations, approval of first article test results, and disposition of first articles. the right to waive the requirement for samples for first article inspect
24、ion to those bidders offering a product which has been previously acquired or tested by the Governmentz and that bidders offering such products, who wish to rely on such production or test, must furnish evidence with the bid that prior Government approval is presently appropriate for the pending con
25、tract. Biders should not submit alternate bids unless specifically requested to do so in the solicitation.“ Invitations for bids should provide that the Government reserves . Preparing Activity Navy - os Project No. 1355-N474 5 /=- 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
