1、MIL-C-21004B (SH) 22 December 1983 SUPERSEDING MIL-C-2 1004A(SHIPS) 15 June 1965 (See 6.4) MILITARY SPECIFICATION CANISTER, LITHIUM HYDROXIDE, SCREENED ENDS, FRICTION TYPE COVERS This specification is approved for use by the Naval Sea SystemsCommand, Department of the Navy, and is available for use
2、by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers canisters for shipment and storage of lithium hydroxide (LIOH), to be used in receptacle for CO, absorbent (see MIL-R-24159). 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specificat
3、icns and Standards. Unless otherwise specified, the following specifications and standards of the issue listed in that issue of the Department of Defense InGex of Specifications and Standards (DoDISS) specified in the solicitation form a part of this specffication to the extent specified herein. SPE
4、C IF I CAT ION S FEDERAL QQ-T-425 PPP-B-591 - Boxes, Shipping, Fiberboard, Wood-Cleated. PPP-B-601 - Boxes, Wood, Cleated-Plywood. PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner. PPP-B-436 - Boxes, Shipping, Fiberboard. PPP-B-640 - Boxes, Fiberboard, Corrugated, Triple-Wall. PPP-C-96 - Tinplate (Ho
5、t Dip and Electrolytic). - Cans, Metal, 28 Gage and Lighter. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washington, D
6、C 20362 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. - FSC 8110 h Licensed by Information Handling ServicesProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
7、- .- . MIL-C-21O04B (SH) MILITARY MIL-C-10464 MIL-L-10547 MIL-S-11388 MIL-E-15090 - Enamel, Equipment, Light-Gray (Formula No. Ili). DOD-P-15328 - Primer (Wash), Pretreatment (Formula No. Il? for MIL-P-19602 - Primer, Size Coating, Baking, for R01le.r Caat MIL-E-19603 MIL-L-20213 - Lithium Hydroxide
8、 (LiOH), Technical. MIL-V-23.064 - Varnish, Finishing, Baking for Roller Coat - Cans, Hermetic Sealing, Metal Light Gage Tear - Liners, Case, and Sheet Overwrap; Water-Vaporproof - Sealing Material for Metal Container Seams, and Strip Type. or Waterproof, Flexible. Metals) (Metric). Application. - E
9、namel, Baking for Roller Coat Application. Application. STANDARDS FEDERAL FED-STD-101 - Preservation, Packaging and Packing Materials: Test Procedures. MILITARY MIL-STD-105 - Sampiing Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage. MIL-STD-1186 - Cushioning, A
10、nchoring , Bracing, Blocking, And Attributes. Waterproofing, With Appropriate Test Methods. (Copies of specifications and standards required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2
11、.2 Other publications. The following documents form a part of this specilication to the extent specified herein. UNIFORM CLASSIFICATION COMMITTEE AGENT Uniform Freight Classific.ation Ratings, Rules and Regulations (Application for copies should be addressed to the Uniform Classification Committee A
12、gent, Tariff Publication Officer, Room 1106, 222 South Riverside Plaza, Chicago, IL 60606.) NATIONAL MOTOR FREIGHT TWFIC ASSOCIATION, INC., AGENT National Motor Freight Classification (Application for copies should be addressed to the National Motor Freight Traffic Association, Inc., ATA TRAFFIC Dep
13、t., 1616 “Pei Street, NW, Washington, DC 20036,) 2.3 Order of precedence. In the event of a conflct between the text of this specification and the references cited herein, the text of this specifi- cation shall take precedence. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted w
14、ithout license from IHS-,-,-3. REQUIREMENTS 3.1 Material. weight, tinplate; and the end rings, covers and screens shall: be fabricated from 107-pound base weight tinplate. single reduced, class 100, bright finish as specified in dQ-T-425. The canister body shall be fabricated from 135-pound base Tin
15、plate shall conform to type MR, 3.2 Dimensions. The canister shall be cylindrical and of the multiple friction cover type, and shall be capable of packaging approximately 390 cubic inches of LiOH. 11-3/4 inches and not greater than 12 inches. canister from screen to screen shall be not less than 11-
16、3/8 inches and not greater than 11-5/8 inches. not less than 6-3/8 inches and not greater than 6-5/8 inches. diameter of the body over the double seam shall not exceed 6-3/4 inches. The outside height of the canister shall be not less than The inside height of the The inside body diameter of the can
17、ister shall be The outside 3.3 Design and construction. 3.3.1 Body. less than 0.015 inch thick. inside lock seam, soldered inside or outside or welded as specified in MIL-C-10464 or PPP-C-96, with a lap seam at each end. soldered the entire length with tin solder. be compound lined. or crimping of t
18、he end rings. The body shall be formed from one piece of tinplate not The longitudinal joint shall be an outside or The seams shall be The end ring-to-body seam shall Both ends of the body shall. be flanged for lock seaming 3.3.2 End rings. The end rings shall be formed from tinplate not less than 0
19、.012 inch thick, and shall be not greater than 0.500 inch wide when assembled with the canister body. The end rings shall be flanged f6r double seaming and shall have an annular groove into which an annular projection on the cover fits. project inward to form an additional seal. lined with sealing c
20、ompound conforming to MIL-S-11388. The inside edge of the end ring may be curled under or may Flanges shall be precurled and 3.3.3 Cover. The covers shall be formed from tinplate nt less than 0.012 inch thick. There shall be an annular projection on the cover to fit snugly into the annular groove in
21、 the end ring. place on the canister, the cover shall be in continuous contact wikh the canister on both the outside and the inside of the projection on the cover. When the cover is forced into . 3.3.4 Screens. Both ends of the canister shall be provided with perforated tinplate metal screens, 0.012
22、 inch thick. the screens shall be between 25 percent an6 45 percent of the total screen- area. holes shall be 0.033 2 0.003 inch in diameter, The screens shall be tack soldered to the end rings at.three equally spaced locations. The total open area of . There shall be at least 17 but not: more than
23、19 holes per inch. The 3.3.5 Assembly. One end assembly (end ring and screen) shall be installed as specified in 3.3.4 and complete end assembly double seamed to canister body. The cover shall be sealed to the canister with which may be brushed into the end ring annular groove and which will air tig
24、ht seal. The adhesive shall not take a permanent set over a prolonged period of time and shall form an airtight seal for repeated openings and closings, The top end ring shall be attached to the canister by double seaming. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted withou
25、t license from IHS-,-,- 3-4 Capacity. The nominal capacity of the canister shall be- 390 cubic The actual capacity shall be not less than 385 and. not greater than inches., 395 cubic inches. 3.5 Leakage. canisters shall show no leakage when subjected to the air pressure test specified in 4.4.1. 3.6
26、Coating. 3.6.1 The coating on the exterior of the canisters shall be applZed ogky after the surfaces have been freed of ail, grease, dirt, rust, mili. scale., QX other extraneous matter adversely affecting adhesion, 3.6.2 The exterior of the canisters shall have apretreatment consisting of one coat
27、of coating conforming to DOD-P-15328 f a thickness of 0.3-0.5 mils applied to the clean surface. gray enamel coating, conforming to MIL-E-l509Q, of such thickness that the pretreatment plus the gray enamel coating shall be not less than 2.0 mils at any point. The cleaning, pretreatment and gray enam
28、el shall produce a uniform, continuous, tightly-ahering coating reasonably free on all surfaces from cracks, scratches, holidays and other film defects or Irregularities that may adversely affect the corrosion-resisting properties of the coating. Either type I, class 1 or class 2 of MIL-E-15090, or
29、class 1 and class 2 of MIL-E-19603 may be used. As an optional method, body, end rings and covers . may be roller coated with a primer conforming to MIL-P-19602 followed with a gray enamel coating conforming to MIL-E-19603, (color modified to match the color specified in MIL-E-15090) and a varnish c
30、oat: conforming to MIL-V-21064. !%e pretreatnewt shall be followed with a - 3.6.3 Recovered materials. Unless otherwise specified herein, all equipment, material and articles incorporated in the products covered by this specification shall be new and shall be fabricated using materials produced from
31、 recovered materials to the maximum extent practicable without jeopar- dizing the intended use. have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials. shall be interpreted to mean that the use of used or rebuilt prod
32、ucts is allowed under this specification unless otherwise specifically specified. The term “recovered materials“ means materials which None of the above 3.7 Marking. Canisters shal be marked on the slde with the following information: Carbon dioxide (COz) absorbent (lithium hydroxide) Do not open un
33、til required for use Manufacturer Contract number Lot number Date of manufacture Stock No. Gross weight when packed Net weight when packed (The actual weights to be stamped in when packed) 4 e Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-LOO
34、LIB 81 9 977970b 0282723 3 MIL-C-21004B(SH) Use: Open canister by removing both top and bottom covers and inserting canister in CO2 canister receptacle. good for 10 man-hours. Each pound is J3ERGENCY USE: In case power supply fails, open-canister by distorting the screen with screwdriver or blunt to
35、ol and spread the carbon dioxide absorbent approximately 1/4 inch depth over bunks or other flat spaces not in contact with water or gxcessive moisture. to the extent of 1 pound for 10 men for 1 hour. The carbon dioxide absorbent may cause severe burns on Carbon dioxide absorbent shall be spread CAU
36、TION: contact with the skin or eyes. In the event of contact, flush with water for 20 minutes and seek medical advice. 3.7.1 Method. The marking shall be colored black and shall be applied by the silk screen process, rubber stamp, or stencil. marking may be applied by lithography. height of letters
37、shall be 0.125 inch. As an optimal method, Waterproof ink shall be used. Minimum 3.8 Finish. Special attention shall be given to ensure that the canisters are dry prior to shipment and that all parts are free from dirt, grease or other foreign material. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibi
38、lity for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. specified in the contract or purchase order, the contractor may use his own or any other facilities suitable for th
39、e performance of the inspection require- ments specified herein, unless disapproved by the Government. reserves the right to perform any of the inspections set forth Xn the specifica- tion where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements.
40、 Except as otherwise The Government 4.2 Sampling for quality conformance inspection. 4.2.1 Lot. All caniscers offered far delivery at one time shall be - considered a lot for purposes of quality conformance inspection. 4.2.2 Sampling for visual and dimensional examination. A random sample for canist
41、ers shall be selected from each lot in accordance with MIL-STD-105 at inspection level I. The acceptable quality level shall be 2.5 percent defective. However, the smallest sample size to be used shall be 25. 4.2.3 Sampling for quality conformance tests. A random saniple of canisters shall be select
42、ed from each lot in accordance with MIL-STD-105 at inspection level S-3. percent defective. The acceptable quality level shall be equal to 1.5 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MTL-C-21004E(SH) 4,4 Test procedures- 4.4.1 ur pressure t
43、est, The test shal be doue in accordance wlth method 5009 of FED-STD-101. Canisters shal be cubiected ta an ar pressure of 3 t 0.5 pounds per square inch for E minute to determine conformance wirk 4.4.2 Coating thickness test. Conformance wgth the thickness specified in 3.6.2 shall be verified by ag
44、groprite nondestractive means such as magnetic analysis which can be used QVW the entire surface.oE the canister. 4.4.3 Visual and dimensional examination, Each.of the sample canisters selected in accordance wirb 4.2-2 shal1 be visuafly and dimensionally examined to verify compliance with 3.2, 3.6,
45、3.7 and 3.8. 4.5 Inspection af packagfng. Sample packages and packs and the inspection of the packaging, packing andmarking for shipment and: storage shall be in accordance with the requirements of section 5 and the documents specified therein. 5. PACKAGING (The preparation for delivery requirements
46、 specfied herein apply only for direct Government acquisition. preparation for delivery requiitements of referenced documents listed n section 2, see 6.3.) For the extent of applicability of the 5.1 Packing. Packing shall be level A, B or C, as specified (see 5.1.1 Level A. Canister shall be packed
47、in containers conforming to any one of the following specifications at the option of the contractor. Specification Container Type or class PPP-B-5 9 1 Fiberboard, wood cleated Class 2 PPP-B-601 Wood, cleated-plywood Overseas type PPP-B-621 Wood, nailed and lock corner Class 2 PPP-B-636 Fiberboard We
48、ather-resistant PPP-B-640 Fiberboard Class 2 5.1.1.1 Closure, case lhers and gross weghtr, When specified (see 6.2.1), shipping containers shall have case liners conforming to MIL-L-10547. Case liners shall be closed and sealed in accordance with the appendix to MIL-L-10547. center and edge seams an
49、d the contractors j-ointxx are- sealed and waterprookd witl pressure sensitive eape in accordance with the applicable contafner- Case liners for fiberboard boxes may-be. omitted provided all 6 a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-21004B (SH) specification or appendix thereto. banded in accordance with the applicable container specification or appendix thereto, w
