1、I MIL-S-523B 36 7999906 0253663 3 W c-33-33 MILITmY SPECIFICATION I MIL-S-52881B 11 May 1989 SUPEBSEDING MIL-S-52881A(ME) 11 December 1985 SERVICING UNIT, CXXWRESSED GAS, WBILE This specification is approved for use by all Deparhents and Agencies of the Deparhnent of Defense. 1. SOOPE 1.1 Scow. This
2、 specification covers two types of mbile coqressed gas semicm units (herehafter called %emicing UnitIl). 1.2 Classification. The servicing units shall be of the following types as specified (see 6.2): Type. I -Air Type i1 - Ixial air/oxygen 2.1 Government documentS. 2.1.1 spec ifications, standards,
3、 and handbookc. The following specifications, standardc, and handkooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documesitc are those listed in the issue of the Department of Defense Index of specifications and Standards (DODISS) and
4、 supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS m-c-901 - Cylinders, Compressed Gas, High Pressure, Steel DT 3AA, and Aluminum Applications, General Specifications For. W-T-81 - Tags, Shipping and Stock. Beneficial Comments (recommeridations, additions, deletions) and any pe
5、rtinent data which may be of use in improvm this document should be addressed to: USA Belvoir Research, Development, an Engineerkq Center, ATI“: Fort Belvoir, VA 22060-5606 by using the self-addressed Standardization Document Improvement Propsal (DD Form 1426) appearing at the erd of this docwent or
6、 by letter. STRBE-E, AMSC N/A FSC 3655 DISTRIBUTION STATEDENT A. Approved for public release, distribution is unlimited. THIS DOCUMENT CONTAINS 55 PAGES. Licensed by Information Handling ServicesMIL-S-5288LE 36 W 797740b 0251bb4 5 W MIL-S-52881B MIirP-116 MICGB-121 MIEV-173 MIGP-514 MIGR-12 144 MIM-
7、13 48 6 MIGD-16792 MIGo.2 02 4 1 IIiI-22085 MIGS-40626 MIGR-46164 MIM-46268 14IG.B-4 6176 MI=-62218 MILrS-81733 rac-83960 FEDERAL MIUTARY MIirST-129 MIGSIP-209 MTESIID-130 MIGSIP-281 MIGSI-642 MILrsL1)-889 MILrST-1179 - piiecewation, Meth Presemtion and packaging of. - Tdentification Marking of comb
8、at and Tactical !t%msport Vehicles. - Disshilar Metals. - amp. Reflectors and Associated Signaling Equipent for Military Vehicles. 2 Licensed by Information Handling ServicesMIL-S-52BZB 36 = 7797706 0251665 7 MIGSTD-1472 MIGSTD-1791 E35387 E35423 MS51331 E52125 E52127 MS75020 MIGS-5288l - Human Engi
9、neering Design Criteria for Military - Design for Intemal Aerial Delivery in Field Wing - Reflector, Indicating Clearance. - Light, Marker, clearance and Service. - Compcsite T;iqht - Tail, Stop, nim and Marker. - Connector, Plug, Electrical - 12 Contact, Systems, Equipment and Facilities. Aircraft.
10、 - Guard, splash, wheel. - Chock, Wheel. Intervehicular, 24 Volt, Waterproof. MIGHDBK-113 - Guide for the Selection of LUbricants, Functional Fluids, Preservatives, and Specialty Prducts for use in Ground Equipment Systems. (unies otherwise indicated, copies of federal and military specifications, s
11、tandardc, and handbookc are available fram the Naval publications and Forms Center, (A“N; NPODG), 5801 Tabor Avenue, Piiiladelphia, PA 19120-5099.) 2.1.2 Other Gavermnent documentS, drawhs, and publications. The followhg other Govenrment documents, drawings, and publications form a part of this docu
12、ment to the extent specified herein. are those cited in the solicitation. Unless otherwise specified, the issues 1322735951 - Valve, Ball, Quarter Turn. (Copies of drawings required by contractors in connection with specific acquisition functions should be obtained fram the USA Belvoir Research, Dev
13、elopment, and Engineer- Center, ATI“: STF3E- , FO Belvoir, VA 22060-5606.) THE MIlXCARY TRAFFIC MANAGEMENT CCMMAND Transportation Engineering Agency (MlNC/TEA) Parhlet 70-1 Transportability for Better Strategic Mobility. (Application for copies should be addressed to the Military Traffic Management
14、cammand, Transportation Enginering Agency (MIMC/TEA), AT“: 6276, Newprt News, VA 23606-0276.) l4ITa, P.O. Box DEP- OF THE NAVY NAVSEA 0910-LP-312-4600 NAVSEA 0994-Lp-001-9010 - U.S. Navy Diving and Manned Hyperbaric Systems - U.S. Navy Diving Manual, Volume 1. Safety certification Manual. 3 Licensed
15、 by Information Handling ServicesMIGS-52881B NAVCEA INST 10560.2 Naval Experhtal Diving - Organizational We1 Clw for - Aijpravea for Navy Use List. O unit instruction 7121A (3mnmd, code m, Alexandria, VA 20362.) Air and oxygen systems. (Copies may be ubtained from the Department of the Navy, Naval S
16、a system DEPAWMEKT OF LABOR (DOL) 29cFR1910 - ccupational Safety and Health Sixdaxds (OSHA). (Application for copies should be addrecced to the local DOL office or the Superintendent of Documents, U.S. TyFRANDMATERIALS (As?M) ASTM A 242 ASTM A 449 - Steel, Stmctural, High strm Triw Alloy. - Bolt y.
17、Trailem. Wiring. (Application for copies should be addressEMwT cC“ROL DISTRICT Rule 442 - Usage of Solvents. (Application for copies should be aadrecsed to the South Coact Air Quality Eulagelnent Control District, 9150 Eact Flair Drive, El Monte, CA 91731.) 6 Licensed by Information Handling Service
18、st MIL-S-52BLB 36 = 7799706 025Lbb9 4 W rnrs-52a81 TRA Yearbook. (mlication for copies should be addressed to The Tire and Rim Association, Inc. 3200 West Market Street, Suite 304, Akron, OH 44313.) TIMA Recarmnended Practices. TIMA -cal Bulletins. (Application for copies should be addressedto the T
19、ruck-Trailer Manufacturers Accociation, Inc., 1020 Prms Skeet, Alexandria, VA 22314.) (Non-Govermmt standardc and other publications are normally available from the oqardzations that prepare or distribute the documentC. may be available in or through libraries or other informational services.) in th
20、e event of a conflict between the text of this document and the references cited herein, (except for related associated detail specifications, specification sheets or MS standan%) , the text of this document takes precledence. Nothing in this docummt, hawever, supersedes applicable laws and regulati
21、ons unless a specific exemption has been obtained. ?hese documents also 2.3 Orer of precedence. 3.1 Deccrit3tion. The servicing units shall be conptible for the resupply of breathable, life-supporting compressed gas with self-contained underwater be for breath- air use only and shall contain the com
22、ponents sham in figures 2 and 3. shall contain the components and be divided as sham in figures 4 and 5. servicing dts shall be campatale with military trucks for tmhq aver highways and off-road terrain between the canpressed gas source and the site of diving operations. first article inspection. .
23、3.3,Materials. Materials shall be as specified herein. Materials not specified shall be selected by the contractor and shall be subject to all provisions of this specification. 3.3.1 Material deterioration prevention and control. The servicing Unit shall be fabricated fm compatible materials, inhere
24、ntly corrocion and deterioration resistant or treated to provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable storage and operating environments to which the servicing unit may be exposed. corrosion- resisting treatment invoivin
25、g galvanizing and electrodepositing of chromium, copper, or nickel sball not be furnished on any life support camponent of the servicing unit. . breathing apparatus (SCUBA) cylinders for divers. Typ I servichq units shall Typ II servicing units shall be for dual breathing air and oxygen use, Both 3.
26、2 First article. When specified (see 6.2), a sample shall be subjected to Licensed by Information Handling ServicesMIGS-52881B 3.3.1.1 Dissimilar metals. Dissimilar metals, as defined in MIGSTP889 and h NAVCEA 0910-L9-312-4600, shall be electrically insulated fm one another to minimize or prevent ga
27、lvanic corrosion. insuatng barrier such as a corrosion-inhibiting sealant conforming to MIrS-81733 or dumate tap conforming to MLro.20241. cornion couid also be 5.1 Control/Display Integration; 5.2 Visual Displays; 5.4 Contmls; 5.5 Labeling; 5.6 Anthropaetxy; 5.9 Design for Mahtaurability; an 5.13 H
28、azardc and Safety. Be aperable and maintainable by perconnel ranging (1) fram the 5th percentile thraugh the 95th percentile male as described in Mr1472, 5b. Provide all walk, step, and hand-hold ccarrponentc per SAE J185. b. c. 3.8 CafetY. The servicing units shall conform to the fo1lmi-g safety re
29、qluimnents: a. Comply with DOL OSHA Standan% (26CFR1910). b. Canpply with the “azardauc Bbterials Regulationsf1 of the Department of Transportation (DOT) , 49Cl?Rl77, including placardc. cc Confom lx Dcrr Federal Motor Vehicle Safety Standardc (FMVSS) 49CFR567 and 49CFR571, and WT Federal Motor Carr
30、ier Safety Regulations (FMCSR) 49CFR390. d. Recult in umiching material and camponentc having a correct safety factor. e. Result in furnishing material an cosnponents having a correct safety actor. f. Elind.rWe nonfunctional sharp edges, projecting poults, and excessive lengths of fac-t.Rnerc. g. Ek
31、wvide, as applicable, standard safety color des for marking of the vehicles physical hazards in aczo- with ANSI 235.1. 3.9 miromta1 reau ireme.nts. 3.9.1 Ope rational tenmera tures. The servicing unit shall not be aged durhg -ration and transport in any ambient air temperature between -25 OF and 4-1
32、20 “F. Test: for operational teqeratures as specified in 4.6.2.8. storage in any ambient tenperature fm +155 OF for 4 hours daily to -65 OF without colar radiation for 12 hours (see 4.6.2.8). 3.9.2 Storaae temwratwe. The sewicing units shall not be damaged by 3.9.3 PreciDitation, The sewicing unit s
33、hall not be aged or kcme -tive when exposed to rain ranging from a drizzle to a heavy rain of 1/4 gallon per minute per square foot of wetted surface impinging on the cmpnents of the servichq unit with a 30 ngh wind. INring and after the precipitation, the servicing unit shall operate as specified h
34、erein (see 4.6.2.8) . a body assembly bolted onto a trailer chassis as specified herein. sm-1 framing with exterior panels of either aluminum trailer sheeting or glass-reinforced plastic trailer sheeting. mable or shall open ta facilitate maintenance of the cmpnents, especially 3 . 10 Servicing unit
35、 construction. The sewicing unit shall be construm of 3.10.1 Bodv assanblv. The bcdy assenhy shall be fabricated of aluminum Body panels shall be readily 10 O . I a 0 Licensed by Information Handling ServicesMIL-S-5288LB 36 m 7777706 025Lb73 6 MIGS-52881B between the control panel and the bulkhead.
36、furnished to protect the servicing unit ccmpnents from road splash and gravel damage. The control panel shall be protectiod. The cy1inaeL-C shall be approved slmdard DOT 3AA cylinders with the ncaninal size being 51 inches to 55 inches high by 9 inches in diamter. Each CyiMer shall have a minimum wo
37、rking pecsure of 5000 psi for air and 3000 psi for oxygen. 3.10.4 Servicing unit tmlbox. Ametal weather-resistant toolbox for stming- only the mqpsse gas sewicing unit repair parts and mintenaxe arid operating tmls shall be prcrvided in or on the servicing unit body assembly. The toolbox shall be id
38、entified with a warning sign (see 3.15.3) to read, ii3bobox and tools are to be used on life support q verify by stress analysis (see 4.6.2.2). - Provide CampOnentc that are bolted on in lieu of welded on to the most practical ccmnnercial extent. VMRS 12-001 Axle, Rear, Non-driven. VMRS 13 - Provide
39、 single axle having minh 5000 lb gross axle weight rating (GAWR) at the axle hubs. - Rate axles per DcrT FMVSS and TMA Recommended Practice (Rp) axle No. 39 and each axle mufacturers maximum. Muurmrm ratings to include the bearing and beam rat-, the brake rating, and the resuiting partial GAW at the
40、 hub (without tire and wheel). - Provie running gear for floatation as specified. - Provide spindles with hardened surfacing for karings and I. SealS. Brakes. - Provide Wake systm per D3T FMVSS, WIl FMCSR. - Provide senrice, vency-breakaway, and parking braking capability. - Provide brakes of the dr
41、awbar-actuated, surge type, hydraulic brakes suitable for tciw vehicles without air available for brakes. Disc or drum brakes are acceptable. VMRS 13-001-026 Disk Brake. - Provide rotors of the high heat sink type hrpratm heavy use, coolhg feature design. - Provide rotors that are warp resistant whe
42、n overheating OccUIs. - Provide weatherproof puck seals which effectively seal between the puck and cast housing against malfunctions caused by road salt splash, dust, mud, water, sm, and ice. 15 Licensed by Information Handling ServicesflIL-S-5288LB 3b 0b 0253678 5 . MIGS-52881B I TABU I. Trailer s
43、txc ifications - continued. VMRS No. VMRC 13-002 VMRS 13-002-014 VMRC 13-002-023 VMRS 13-006 WE4S 13-006-008 Feature/Recni irmts - Protect brake components located belaw the axle hmsing and hide, between the backing plates; hawevs, locate 110 camponents belaw the bottom of the brake rotor or brake d
44、rum. - Provide camponentc between the dnmi and the backing plate or dust shields either cleaned, treated, and painted or inherently corrosion resistant. - Provide dust shield protection of foundation brake acse3nblies. - 2 each on the axle plus 1 ea lamp protectors at least equal to Schedule 40, 8-
45、or 1O-inch diameter steel pipe. provide lamp protection when backing. - Recess lamps forward fran the rearmst edge of the trailer to VMRS 34-003-088 Plug (12 Conuctor Electrical Connector) Military 24 Volt System (MS75020-1) Ph Type. VMRS 34-003-092 con nec tir Cable, Vehicle to Vehicle, 12 Wire Mil
46、itary, 24 Volt (MIM-1348612) . - Provide front intervehicular plug and cable assembly for - Furnish a 12-y plug per MS75020-1 connected to a cable - permanently connect plug and cable assembly to trailer chassis - Plug to extend a minimum of 30 inches toward the truck from - Provide clip to hold the
47、 plug with the cable doubled back on - -te plug clip to minimize jackknife damage when truck and military truck tawing. manufactured in accordance with MIGc-13486/12. to prevent loss. the taw bar eye center. the tow bar for stcmge. trailer maneuver with cable stawe. VMRS 34-004 Wiring, Fuses, Lamps,
48、 wilbc. - All wiring per SAE J163 and SAE J1292 using rninhum 14 AWG wire per MIM-13486. - Wire identification codes btalled on each end of each wire for-all cimuits; see VMRS 34-004-031, Tabulation A. - cambine multiple circuits into harnesses or encase in thin wall conduit. - Wiring supported at m
49、axhm 36-uich spacing with anchored elastaner ties or coate clamps to prevent whipping, chafing, and mechanical or fatigue damage. - Interior of mechanical splicing devices waterproofed with UV silicone sealant. - Wire equipped with temunal s per SAE J561 or military type. Licensed by Information Handling ServicesMIGS-52881B TABLEI. Trailerctsec ifications - continued. VMRS No. Feature/Reau irmentc VMRS 34-004 (continu 34-004-010 Weaker, Circuit. - ?ravide chmit breakem per SE J553 protecting all live - No fuses acceptable. cir
