1、c. br MIL-Q-87152A lab 9999906 la165891 676 MIL-Q-87152A(USAF) 31 August 1992 SUPERSEDING 21 March 1980 MIL-Q-87152(USAF) MILITARY SPECIFICATION QUICK RELEASE, PERSONNEL PARACHUTE HARNESS MX-683(V) 1P This specification is approved for use within the Department of the Air Force and is available for
2、use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a quick release for personnel parachute harness. The quick release is designated MXU-683(V)l/P. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards. Unless ot
3、herwise specified, specifications, standards form a part of this specification to extent specified herein. listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. Unless otherwise specified, the issues of thes
4、e documents shall be those SPECIFICATIONS FEDERAL PPP-B-6 36 Boxes, Shipping, Fiberboard MIL I TARY MIL-P-116 Preservation, Method of STANDARDS MIL I TARY MIL-STD-105 Sampling Procedures and Tables for MIL-STD-129 Marking for Shipment and Storage Inspection by Attributes. Beneficial comments (recomm
5、endations, additions, deletions) and any pertinent data which may be of use in improving this use in improving this document should be addressed to the SA-ALC/TIRDM, Kelly AFB, TX 78241-5609, by using the self-addressed Standardization Document Proposal DD Form 1426) appearing at the end of this doc
6、ument or bv letter. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-Q-87152A Lb 9999906 LLb5892 502 W ?4 MIL-STD-130 Identification Marking of US MIL-STD-831 Test Reports, Preparation of MIL-STD-970 Standards incorrect; incomplete; illegible; or
7、improper size, location, sequence, or method of application Any component missing or not as specified Any component damaged or otherwise defect ive Inadequate application of components such as incomplete closure of case liners or container flaps; loose strapping; or inadequate stapling Bulging or di
8、stortion of containers Gross or net weight exceeds requirement Quantity of hardware assemblies per container more or less than specified 4.6.4 Static operation. The components shall be subjected to the static operation test. that is capable of applying and maintaining the load specified in 3.5.3 all
9、owing access to and operation of the release assembly. mounted and restrained so that the release assembly can be operated and the load can be The quick release shall be installed in a tensile testing apparatus but still The quick release shall be 7 Provided by IHSNot for ResaleNo reproduction or ne
10、tworking permitted without license from IHS-,-,-MIL-Q-87152A(USAF) released without damage to the release assembly or the canopy link assembly and without risk of injury to the test operator. release assembly shall then be operated both manually and via calibrated spring scale. This step may have to
11、 be repeated several times before the release force stabilizes. The force required to effect release during the first static operation test shall not exceed 35 pounds. operation test shall be within plus or minus 20 percent of the force that was obtained in the first static operation test but shall
12、not exceed 35 pounds. Th( The load specified in 3.5.3 shall be applied. The force required to effect release during the second static 4.6.5 Proof load. Each major component(3.2) shall be subjected to the proof load test. Suitable lengths of nylon webbing that has a breaking strength at least equal t
13、o the ultimate strength of the hardware shall be installed in a manner simulating its use in a parachute harness section. grips. The proof load shall be sustained for 5seconds and then reduced to zero. The hardware shall be examined for freedom from permanent deformation and damage. The hardware sha
14、ll be centered between the webbing The hardware shall be loaded to the proof load specified in 3.5.4. 4.6.6 Ultimate load. The component(s) shall be subjected to the ultimate load test described herein. The hardware shall be installed in webbing sections that have a strength at least equal to the ul
15、timate strength of the hardware to be tested. of the webbing shall be installed in a suitable tensile testing machine. shall be centered between the jaws of the machine. ultimate load specified in 3.5.5 at the jaw separation rate of approximately 4 inches per minute. After the ultimate load has been
16、 removed, the release assembly of the quick release shall be manually oper.ated to determine compliance with the requirements specified in 3.5.5. When specified by the procuring activity (see 6.2), the hardware shall then be subjected to loads that are greater than the ultimate load specified in 3.5
17、.5, at the jaw separation rate of approximately 4 inches per minute, until structural failure occurs. The ends The hardware The hardware shall be loaded to the The ultimate load shall be sustained for 60 seconds and then removed. 5. PACKAGING 5.1 Preservation and packaging. Preservation and packagin
18、g shall be level A or C (see 6.2). 5.1.1 Level A. Each quick release shall be preserved and packaging in accordance with method III of MIL-P-116. 5.1.2 Level C. Each quick release shall be preserved and packaged in a manner that will afford adequate protection against corrosion, deterioration, and p
19、hysical damage during shipment from the supply source to the first receiving activity. The supplier may use his comercial practice provided it meets this requirement. 5.2 PackinK. Packing shall be level A, B, or C as specified (see 6.2). 5.2.1 Level A. Quick releases that have been preserved and pac
20、kaged as specified in 5.1.1 shall be packed in a weather resistant shipping container that conforms to PPP-B-636. size, shall be limited to the applicable special requirement table of the specification. Where practical the exterior shipping container shall be of uniform shape and size and of minimum
21、 cube and tare weight. appendix of PPP-B-636. The grade of each shipping container, determined by the gross weight and Closure and strapping shall be in accordance with the 5.2.2 Level B. Level B packing shall be the same as level A packing except that the shipping container shall be class domestic.
22、 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4. . Y MIL-Q-87I52A Ib 9999906 LL65899 967 MIL-Q-87152A(USAF) 5.2.3 Level C. The quick releases shall be packed in a shipping container that will be acceptable to the carrier, at the lowest rate, and
23、 in a manner to ensure safe transportation to point of delivery. The containers shall comply with the rules and regulations that are applicable to the mode of transportation. O 5.3 Marking. In addition to any other marking required by the contract, the interior and the exterior containers shall be m
24、arked in accordance with MIL-STD-129. 6. NOTES 6.1 Intended use. The quick release is covered by this specification is a flight-safety and life-saving device that is intended to be use in all types of parachute harnesses to disconnect the parachute harness shoulder straps from the parachute canopy r
25、isers. 6.2 Order data. Procurement documents should specify the following: (a) Title, number, and date of this specification (b) First article.requirements (see 3.1, 4.3, 4.3.1, 4.3.2, 4.6.6, and 6.3) (c) Selection of applicable levels of preservation and packaging and packing (see 5.1 and 5.2 6.3 F
26、irst articles. First articles (if required) should be tested arid approved under the appropriate provisions of 7-104.55 of the Armed Services Procurement Regulation. The first articles (see 4.3.1) should be preproduction samples and should consist of three quick releases. The contractine officer sho
27、uld include specific instructions, in all procurement instruments, regarding arrangements for the inspection and the approval of the first articles. 6.4 Subject term (key word) listing. Canopy ,ink Cross Ear Custodian: Air Force - 99 Preparing activity: Air Force - 82 Project 1670-F746 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
