1、i .% I - 3- a3 *flIL-C-Lb3bA 1 U 7777706 0282511 3 W h i MIL-C-I 8636A( OS) 13 February 1984 Superseding NIL- C- I 8 63 6 (Nord) 16 ?ay 1955 MILITARY SPECIFICATION CAPS, PROTECTING, WATERPROOF (Projectile Fuze Covers) This specification is approved for use by Naval Sea Systems Command (OS) Departmen
2、t of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. I. SCOPE 1.1 Scope. This specification covers waterproof protecting caps for various Marks and Mods of 5-inch, 6-inch, and 8-inch through 16-inch projectiles. 1.2 Classification. The waterproof prot
3、ecting caps covered by this specification shall be of the drawn cup, attached lug type, and of the following classes, as specified (see 6.2). Class I - Mark 3 Hod O steel cap (Drawing No, 329747) Class 2 - Mark 4 Mod O steel cap (Drawing Yo. 437782) Class 3 - Mark 4 Mod 1 brass cap (Drawing Xo. 5835
4、11) 2. APPLICABLE DOCWENTS a 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. Unless otherwise specified, the following specifications, standards, and handbooks of the issue listed in that issue of the Department of Defense Index of Specifications and Standards ( DoDISS) spe
5、cified in the solicitation form a part of this specification to the extent specified herein. SPECIFICATIONS . MILITARY 14IL-A- 2 55 O Ammunition, General Specification for Beneficial comments, (recommendations, additions, deletions) and any pertinent data which may be of use in improving this docume
6、nt should be addressed to: Commanding Officer, Yaval Ordnance Station (524), Indian Head, !ID 20640, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing.at the end of this documents or by letter. THIS DOCUMENT CONTAINS 6 PAGES , I Provided by IHSNot for
7、 ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C- I8636A (OS) STANDARE3 . IIILITARY MfL-BTD-I 05 %ampling Procedure and Table8 for Inspection by Attributes MIL-STR-130 I4IESTD-I I 69 Identificatlon Marking of 7J,8. %.litary Property Packaging, Packing and Yarking for
8、 Ship- ment of Inert hmunition Components ND-STD-21 Oi Classification of Characteristics Haval Soasterns Command (NavaS.rdnance ,Fastenis fhnnand) (Code Ldont 10001 3297b7 437782 58351 1 Waterproof Protecting Cap, Ilk 3 Hod O Waterproof Protecting Cap, Iiter iridescent bronze, Iridescent yellow, oJl
9、ve drab, or brown. 3.9 Cleaning, Al1 oil, grease, drawing and cutting copounds, dirt, excessive scale, soldes arid other foreign substances shall be removed from all surfaces of the caps, Brass caps may be pickled and rinsed. 3.10 -marking. Caps furnished under this specification shall be legibzy an
10、d permanently marked in accordance trith the require- ments of KCL-STD-130, and the applicable drawing. 3a11 urkmans-ce. hahe? Stresy_llesc. (Glass 3 caps only. Destructive test). The completed brass caps sliallbe thoroughly cleaned with a suitable solvant and then immersed in an aqueous isolution c
11、ontaining 1 percent by weight of mercurous nitrate and 1 percent by welght of nitric acid (specifc gravity 7.42) tor 15 minutes at 70 25 degrees fahrenheit. At %he end of this period, all interior and exterior surfaces of the caps should have become completely covered with metallic mercury. Repeat o
12、peration if necessary to completely cover al1 isurfaces trith mercury. The caps shall be held 2n this condition for 24 hours and at the expiration of this time shall be free from cracks. Failure to pass this te8t shall be cause for rejection of the lot. WAREJING Hercum is a definite health hazard. s
13、afety precautions and disposal procedures shall be observed, Reference ASTW BI54 Proper 4,be2 !que test, The completed caps shall. be screwed onto a prodectile or suitable fixture a6 the toque gradually applied to one lug in the direction of screwing the cap on further until the prescribed torque lo
14、ad per lug is rea- ched. (see 6.3) The test ehall then be repeated in the opposite drection but the cap shall not be allowed to unscrew, The procedure shall then be repeated for each of the remaining three lws. Failure of any lug to meet the torque require- ment at the conclusion of this test shall
15、be cause for rejection of the Jot. 4.4.3 _Aial. load test. After successful. completion of the torque test, the 8ao apeclmens shall be constrained in a suitable fixture for the application of an eccentric axial load to each upturned tang of the lugs in the direction illuetrated in Figure i, The apec
16、ified load shall be gradually applied to one lug at a time. Failure of any Zug to meet the load requirement shall be cause for rejection of the lot. The load may be equally distributed over the surface of the tang. 11.4.4 Ispositlool*_of test sm, order or requisition should also contain pertinent In
17、fomation on inspection Gages, Speclax packing and shipping instructions, other than specified in fiis specification, Spxlal. markings when requfred. 6.3 -d axial load tests. If load per lug is not indicated on the drawing, it may be calculated by dividing the total load by the nuaber of lugsI 6*4 Ch
18、angek. Due to the extensiveness of thig revision, the margins of thia specification have not been marked with any symbols as irs customary to indicate where changes Emm %he previous issue were made. 6*5 paten,. When Government drawings, spec5,flcalxions, or other data are used for any purpoee other
19、than in comectlon with 8 definitely related governent procurement operation, the United States Government thereby incurs no responsibility nor any obligation whatsoever; and the fact; that the Governmen% may have formulated, furnished, or in my way supplied the said drawings, specifications, or othe
20、r data is not to be regared by implication or otherwim a8 in any manner licensing ehe holder or any person or corporation, or conveying aw righte or permission to manufacture, use, or se11 any patented invention Ghat may in any way be related thereto. Preparing Activity Nw - OS (Project .HoI 814-t628) 8 ffO.9. GQVIRNMP;NT PRINTING OPFICEr 1084-706-Q4/A318 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
