M_PS_138_-_03.pdf

Designation:PS 138 03Provisional Standard Specification forShelter,Electrical Equipment,Lightweight1This provisional standard is issued under the fixed designation PS 138;the number immediately following the designation indicates theyear of original adoption.1.Scope1.1 This document covers two types of lightweight electri-cal equipment shelters designed for transport on both theM1037 and M1097 High Mobility Multipurpose WheeledVehicle(HMMWV).These shelters are transported by rail,air,marine and highway when mounted or dismounted from theirvehicles.1.2 ClassificationThe shelters will be of the followingtypes,as specified(see 6.2).1.2.1 Type IShelter,Electrical Equipment,Lightweight(w/o Tunnel,17-2-0035-1).1.2.2 Type IIIShelter,Electrical Equipment,Lightweight,Modified,General Purpose(w/Tunnel,17-2-0035-3).1.3 The values stated in inch-pound units are to be regardedas the standard.The values given in parenthesis are forinformation only.1.4 The following safety hazards caveat pertains only to thetest required portion,Section 4,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory require-ments prior to use.1.5 Provisional standards2achieve limited consensusthrough approval of the sponsoring committee.2.Referenced Documents2.1 ASTM Standards:E 1851 Test Method for Electromagnetic Shielding Effec-tiveness of Durable Rigid Wall Relocatable Structures3E 1925 Specification for Engineering and Design Criteriafor Rigid Wall Relocatable Structures32.2Commercial Standard:SAE-AS8090 Equipment,Towed Aerospace Ground,Mo-bility42.3Federal Standard:FED-STD-595 Colors Used in Government Procurement2.4Military Standards:MIL-STD-209 Slinging and Tiedown Provisions for Liftingand Tying Down Military Equipment5MIL-STD-810 Environmental Test Methods and Engineer-ing Guidelines5MIL-STD-1366 Transportability Criteria5MIL-C-53072 Chemical Agent Resistant Coating(CARC)System Application Procedures and Quality Control In-spection52.5Military Handbook:MIL-HDBK-1791 Designing for Internal Aerial Delivery inFixed Winged Aircraft52.6The American Conference of Governmental IndustrialHygienists(ACGIH):Threshold Limit Values62.7Drawings:17-1-8565 Extension Kit,Pintle717-1-8584 Mounting Kit Shelter To HMMWV717-2-0035 Interface Control Drawing for,Shelter,ElectricalEquipment,Lightweight,Types I and III713228E1639 Standard Camouflage,Pattern For Shelter,Lightweight,Multipurpose73.General Requirements3.1 First ArticleWhen specified(see 6.3),a sample shallbe subjected to first article inspection in accordance with 4.1.1.A first article is defined as a preproduction or an initialproduction sample consisting of one or more of each type ofcompleted shelters.3.2 Physical Performance Requirements:3.2.1 Weight and PayloadThe shelter weight and payloadcapacity of each shelter type shall be as listed in Table 1.Themaximum shelter weight listed does not include the weight ofthe Mounting Kit and Pintle Extension and their attachinghardware.The shelter shall be capable of accepting the payloaddistribution specified in the contract or purchase order(see6.2).The Contractor shall fashion an appropriate simulatedpayload design to be used for all testing.This payload designshall be approved by the procuring agency prior to its use inany test.1This provisional specification is under the jurisdiction of ASTM CommitteeE06 on Performance of Buildings and is the direct responsibility of SubcommitteeE06.53 on Materials and Processes for Durable Rigid Wall Relocatable Structures.Current edition approved July 10,2003.Published August 2003.2Provisional standards exist for two years subsequent to the approval date.3Annual Book of ASTM Standards,Vol 04.11.4Available from Society of Automotive Engineers(SAE),400 CommonwealthDr.,Warrendale,PA 15096-0001.5Available from the Standardization Document Order Desk,700 RobbinsAvenue,Building 4D,Philadelphia,PA 19111-5094.6Available from the ACGIH,1014 Broadway,Cincinnati,OH 45202.7Available from U.S.Army Soldier Systems Center-Natick,ATTN:AMSSB-RCP-C(N),Natick,MA 01760-5018.1Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.3.2.2 Parts InterchangeabiIity:3.2.2.1 Spare PartsThe spare parts are listed in Table 2and are depicted on interface drawing number 17-2-0035.Allspare parts and related assemblies shall be functionally anddimensionally interchangeable without modification or reworkof the part,assembly,or shelter.3.2.2.2 Interface PartsThe interface parts are listed inTable 3.All interface parts and related assemblies shall befunctionally and dimensionally interchangeable,without modi-fication or rework of the part,assembly,shelter,or vehicle,with the reference parts listed in Table 3.3.2.3 Shelter ConfigurationThe shelter shall meet theconfiguration constra