1、P MIL-S-48573(MU) 15 April 1977 MILITARY SPECIFICATION SIGHTUNIT: XM64E2 This specification is approved for use by all departments and agencies of the Department of Defense“. 1. Scope unit 6.1) 1.1 : XM64E2 used with the Lightweight Company Mortar, 60MM XI4224 (See , Throughout this specification th
2、is instrument is referenced as I1sightunit.“ This sightunit is composed of Telescope, Elbow: 11733780 and Mount, Telescope: 11741796. This sightunit has radioactively illum- inated scales, level vials and reticle. This specification covers one type of inst-mient known as Sight- 2. Applicable Documen
3、ts 2,l !Che following documents of the issue in effect on date of invi- tation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS Mi lit ary MIL-F-13926 MIL-P-14232 . MIL-1-45607 MIL-T-48574 MIL-M-48575 STANDARDS Mi lit ary MIL-STD-105
4、MIL-STD-109 Fire Control Materiel: General Specification Governing the Manufacture and Inspection of Parts, Equipment and Tools for Army Materiel, Packaging and Packing of Maintenance of Inspection Equipment, Supply and Telescope, Elbow: 11733780 Mount, Telescope: 11741796 Sampling Procedures and Ta
5、bles for Quality Assurance Terms and Defini- Inspection by Attributes tions Beneficial comments (recommendations, additions, deletions) and any perti- nent data which may be of use in improving this document should be addressed to: Coumander, ARRADCCIM, Am: DDAR-TST-S, Dover, N.J. 07801 by using the
6、 self-addressed Standardization Docimient Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 1240 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-Ll573 12 7999706 OLl33577 1 MIL-S-48573 (MU) MIL-STD-1458
7、 Radioactive Materials: Marking and Labeling of Items, Packages and Shipping Containers for Identifi- cation in Use Storage and Trans.- portation DRAWINGS U.S. Army, Frankford Arsenal F11733780 FU741726 F11741796 FU7507 O9 Telescope, Elbow: 11733780 Sightunit: 11741726 Mount, Telescope: 11741796 Ada
8、pter, Final Inspection, Azimuth PACKAGING DATA SHEET 11741726 Packaging of Sightunit: XM64E2 (Copies of specifications, standards, drawings, and packaging data sheet required by suppliers in connection with specific procurement func- tions should be obtained from the procuring activity or as directe
9、d by the contracting officer.) 2.2 Other publications.- The following documents form a part of this specification to the extent specified herein. the issue in effect on date of invitation for bids or request for proposal shall apply. Unless otherwise indicated DEPARTMENT OF TRANSPORTATION, BUREAU OF
10、 HAZARDOUS MATERIAL 49 CFR 171-190- Interstate Commerce Commission and Department of Transportation Rules and Regulations for the Transportation of Explosives and other dangerous articles. (Application for copies should be addressed to the superinten- .dent of Documents, Governmedt Printing Office,
11、Washington, D.C. 20402,) CODE OF FEDERAL REGULATIONS Title 10 (Nuclear Regulatory) Part 20: Standards for Protection against radiation Part 30: Rules of General applicability to Licensing of by- product material. (Applications for copies should be addressed to the Superintendent of Docwnts, Governme
12、nt Printing Office, Washington, D.C. 20402.) 2 -. .- L Q Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-S-48573 12 777770b 0431578 3 m c MIL-S-48573 (MU) Y 3. REQUIREMENTS 3.1 Radioactive material.- Prospective bidders should be cognizant of th
13、e need for a Nuclear Regulatory Commission License governing the pro- curement, possession, handling and shipping of radioactive material. 3.2 Regulations pertaining to radioactive devices,- Marking, identi- fication, handling and shipping of radioactive devices shall be in accord- ance with MIL-STD
14、-1458. 3.3 Fabrication.- The sightunit shall be manufactured in accordance with Drawing FU741726 and drawings pertaining thereto. 3.3.1 Telescope,- The telescope shall be fabricated in accordance with Drawing FU733780 and drawings pertaining thereto, and shall meet the requirements of MIL-T-48574. 3
15、.3.2 Mount .- with Drawing F11741796 and drawings pertaining thereto, and shall meet the requirements of MIL-M-48575. The telescope mount shall be fabricated in accordance 3.4 General specification.- The contractor shall be responsible for adherence to, and compliance with, the requirements of MIL-F
16、-13926 ltsted below: . (a) Order of precedence (b) Dimensions and tolerances (c) inorganic protective surface finishes (d) Part identification and marking (e) Workmanship 3.5 Telescope clamping mechanism.- When locked, there shall be no rotation of the telescope within the inside diameter of the cla
17、mp when a 35 inch-pound torque is applied. about its axis where a 12 inch-pound torque is applied, telescope and clamp shall rotate freely, an ambient temperature between 60F and 900F. The clamping mechanism shall not rotate When unlocked, the This requirement shall meet at 4. QUALITY ASSURANCE PROV
18、ISIONS 4.1 Responsibility for inspection.- Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. specified, the supplier may utilize his own facilities or any other facili- ties suitable for t
19、he performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services con- form to prescribed
20、 requirements. Except as otherwise 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-S-48573 12 W 7999906 0431579 5 4.1.1 General provfsions.- The component and subassembly inspection requirements of MIL-F-13926 form a part of the quality assura
21、nce provis- ions of this specification. Definitions of inspection terms shall be as listed in MIL-STD-109. 4.2 First article (initial production) approval.- The requirement for first arficle approval and the responsibility (Government or contract- or) for first article testing shall be as specified
22、in the contract. The sample for first article approval tests shall consist of three sightunits plus three each of all items covered by SQAP. The sample shall be manu- factured in the same manner, using the same materials, equipment, processes, and procedures as used in regular production. All parts
23、and materials, including packaging and packing, shall be obtained from the same source of supply as used in regular production. 4.2.1 Government testing.- When the Goverment is responsible for conducting first article approval tests, the contractor, prior to sub- mitting the sample to the Government
24、, shall inspect the sample to insure that it conforms to all the requirements of the contract and submit a record of this inspection with the sample, including certificates of con- formance for materials. 4.2.2 Contractor testin%.- When the contractor is responsible for conducting first article appr
25、oval tests, the sample shall be inspected by the contractor for all the requirements of the contract. a record of this inspection, including certificates of conformance for materials, shall be submitted to the Government for approval. ment resewes the right to witness the contractors inspection. The
26、 sample and The Govern- 4.3 Inspection provisions. 4.3.1 Submission of product.- Unless otherwise specified by the con- tracting officer, inspection lot size, lot formation and presentation of lots shall be in accordance with “Submission of Product“ provisiom of MIL-STD-105. 4.3.2 mamination and tes
27、ts. 4.3.2.1 Mount.- The mount(see 3.3.2) shall have been inspected and accepted in accordance with the inspection provisions contained in MIL-M- 48575 and the applicable Supplementary Quality Assurance Provisions (SQAP s) listed in the Technical Data Package (TDP). 4.3.2.2 Telescope.- The telescope
28、(see 3.3.1) shall have been inspect- ed and accepted in accordance with the inspection provisions contained in MIL-T-48574 and the applicable SQAPs listed in the TDP. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-48573 12 7777706 0931580 1
29、M MIL-S-48573 (MU) 4.3.2.3 Sightunit,- Examination and tests related to Section 3 here- in shall be performed in accordance with the sampling plans specified in Tables I and II herein. marking shall be in accordance with MIL-P-14232 and Section 5 herein. The tabulated classification of defects in Ta
30、bles I and II shall constitute the minimum inspection to be performed by the supplier after first article approval and prior to Government acceptance or rejection by item or lot, Examination and tests for packaging, packing and TABLE I - 100:.PERCENT (100%) INSPECTION NO. CHARACTERISTIC - REQUIREMEN
31、T TEST PROCEDURE 1, Telescope clamping mechanism 3.5 4.6.1 NOTE: The test in Table I shall be conducted at a temperature between +60 and +90F. 4.3.3 Acceptance and rejection.- The right is reserved to reject any unit of product found defective during inspection whether the lot as a whole is accepted
32、 or rejected. and resubmitted for inspection with the approval of, and in the manner speci- fied by the procuring activity. Rejected units may be repaired or corrected 4.4 Special sampling. 4.4.1 General.- Three sightunits shall be selected at random from each 100 produced. Table II, The samples sha
33、ll meet the requirements and tests in NO. 301. - 302. TABLE II CHARACTERISTIC REQUIREMENT TEST PROCEDURE Fabrication 3.3, 3.3.1 & Applicable drawings 3.3.2 and. specifications - Visual General specification 3.4 MIL-F-13926 - Visual 4.4.2 Failure of sample.- Should any one item of a special sampling
34、fail to meet the specified test requirements, acceptance of the represented inspection lot shall be suspended by the Government until necessary correc- tions have been made by the contractor and resubmitted samples have been approved (see 4.3.3). 4.5 Inspection equipment.- Except as otherwise provid
35、ed for by the contract, the contractor shall supply and maintain inspection equipment in accordance with the applicable requirements of MIL-1-45607. 4.5.1 Government furnished inspection equipment.- Where the contract Provides for Government furnished test equipment, supply and maintenance of test e
36、quipment shall be in accordance -with the applicable requirements specified in MIL-1-45607. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-Ll8573 12 W 3333906 OLI315BL 3 m MIL-S-48573 (Mu) 4.5.2 Contractor furnished inspection equipment, 4.5
37、.2.1 Government design.- Unless otherwise specified in the con- tract, all inspection equipment specified by drawing number in specifica- tion or SQAP forming a part of the contract shall be supplied by the con- tractor in accordance with technical data listed in the technical data package (TDP) , 4
38、.5.2.2 Contractor design.- The contractor shall design and supply inspection equipment compatible with the “Test Methods and Procedures“ specified in 4.6 of this specification and with ,the component inspection procedures specified in “Examination“ and “Test Facilities“ requirements of MIL-F-13926.
39、Since tolerance of test equipment is normally considered to be within 10% of the product tolerance for which it is intended, this inherent error in the test equipment design must be considered as part of the prescribed product tolerance limit. Thus, concept, construction, ma- terials, dimensions and
40、 tolerances used in the design of test equipment will reliably indicate acceptability of a product which does not exceed 90% of the prescribed tolerance limit, and permit positive rejection when non-conforming, Construction shall be such as to facilitate routine cali- bration of test equipment. 4.5.
41、2.3 Inspection equipment design requirements, 4.5.2.3.1 Telescope clamping mechanism.- The Adapter, Final Inspec- tion, Azimuth F11750709 together with a suitable stand shall be utilized in performing the telescope clamping mechanism test, The stand shall have the necessary stability for positioning
42、 the adapter so that it maintains the mounting dovetail surface and dovetail axis of the mount in a vertical plane within plus or minus one degree, 4.5.2.3.2 Torque requirements.- The torque wrench type tester for The accuracy of the torque wrench type tester shall testing the telescope clamping mec
43、hanism shall have a range of zero to fifty inch-pounds, be five percent throughout its entire zone of excursion, wrench shall be equipped with suitable adapters to accommodate testing of the appropriate assembly. The torque 4.5.2.3.3 Wall target.- The wall target shall contain a vertical and horizon
44、tal crossline. of the sightunit under test. It shall be positioned 6 to 12 feet in front 4.6 .Test methods and procedures, 4.6.1 Telescope clamping mechanism,- Conduct this test with the mount positioned on the testing equipment specified in 4.5.2.3.1. Position the target so that the intersecting po
45、int of the vertical and horizontal target lines are coincident to the geometric axis of the clamp for the telescope. Install the telescope in the clamping mechanism of the mount and lock the clamp by applying a force of 5 to 7 inch-pounds to the locking lever. By means of the elevation and azimuth k
46、nobs adjust the line of sight of the telescope so that its vertical and horizontal reticle lines are superim- posed on the image at the vertical and horizontal target lines, The 6 c Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-48573 12 77979
47、06 0431582 5 MIL-S-48573 (MU) telescope clamping mechanism shall conform to the requirements of 3.5 when the applicable torques are applied to the telescope body and the clamp for the telescope. Any rotation of the telescope within the clamp, or rota- tion of the clamping mechanism about its own axi
48、s shall be determined by the permanent displacement (lack of coincidence) of the telescope reticle lines with respect to the target image lines, 5. PREPARATION FOR DELIVERY 5.1 Packaging, packing and marking.- Packaging, packing and marking shall be in accordance with Packaging Data Sheet 11741726.
49、protection shall be as specified in the procurement document, The level of 6. NOTES 6.1 Intended use.- Lightweight Company Mortar, 60MM,. XM224 in deflection and elevation for direct and indirect fire modes. The Sightunit, XM64E2 is used for laying the 6.2 Ordering data.- Procurement Documents should specify the follow- ing : (a) (b) (c) Applicable stock number. (d) Applicable packaging data sheet number (see 5.1). (e) Title, number and date of this speci
