1、i 1. SCOPE 1.1 This specification covers amorphous boron powder for use in the manufacture of pyrotechnics. 2. PIJIcm llOCuIrnES I f 2.1 The following documents of the issue in effect on date of invi- tation for bids form a part of this specification to the extent specified herein 4 SPEC DICAT IONS
2、PR-D-723 - Drums, Fiber JAR-P-112 - Packaging and Packing for Overseas Shipment Drums, Plywood (for drums whose weight of contents does not exceed 200 pounds) . 14se-105 - Sapling Procedures and Tables for Inspection lvI.IILSTD-109 - Inspection Terns and Cefinitions. MIL-STD- - Ifhrking of Shipmmts.
3、 by Attributes. PUBLICAT IOI?S ORD-X608-11 - Procedures and Tables for Continuous Sampling . by Attributes. (Copies of specifications, standards, drawings and publications required by contractors in connection with specific procurement r%nctions should be obtaiaed from the procuring activity or as d
4、irected by the contracting officer). FSC: 6810 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- . I . . . f L.-. * ._ m-B-51 . . r.- “ .i. .-: - 3. RZQU-ITS 3.1 Composition.- The composition of the emorphous boron powder shall . i . T. , be as follow
5、s, when determined as specified in 4.3. Amorphous boron Insoluble in Hydrogen Feroxide -Total magnesium Percent 84.0, minimum (min. ) 1.5; maximum (m. 8.2, max. 3.2 Moisture content.- The moisture content shall be 0.5 percent m. 3.3 Average particle diameter.- The average particle diameter shall be
6、1.0 microns, W., when determined as specified in 4.3.5. 4.1 General auality assurance provisions.- The supplier is responsible for thc.perfomnce of all inspection requirements as specified herein. Ex- cept as otherwise specified the supplier may utilize his own or any other . inspection facilities a
7、nd services acceptable to the Government. Inspection records of the examinations and tests shall be kept complete and available to the Government as specified in the contract .or order. The Government re- serves the right to perform any of the inspections set forth in the speci- fication where such
8、inspections are deemed necessby to assure supplies and services conform to prescribed requirements. Reference shall be made to Standard NJLSTD-lO9 in order to define the terms used herein. Inspection shall be performed in accordance with this specification and other specifi- cations referenced in an
9、y of the cor,tractual documents. 4.Ll Contractor auality assurance system.- If the contractor desires to.t;ilizo a quality-assurance system, which is at variance with the quality asswance provisions of 4.2 and 4.3 and other documents referenced herein, he shall submit a written description of the sy
10、stem to the contracting officer for approval prior to initiation of production. It shall include a description covering controJs for lot formation and identification, inspections to be performed, inspection stations, sampling procedures, rneehods ofinspection (measuring and testing equipment), and p
11、rovisions for control and. disposition of non-conforming material. The written description till be considered accep table when, as a minimum, it provides the quality assursnce provisions required by the provisions of 4.2 and 4.3 and the other documents referenced herein. The contractor shall not be
12、restricted to the inspection station or the method of inspection listed in this specification provided that an equivalent control is included in the approved quality assurance procedure. In cases of dispute as to whether certain procedures of the contractort s system- provide equal assurance, the co
13、mparable procedure of this specification shall apply. The contractor shall notify the Government of, and obtain approval for, any changes to the written procedure that effects the degree of assur- ance re- quired by this specification or other documents referenced herein. 2 Provided by IHSNot for Re
14、saleNo reproduction or networking permitted without license from IHS-,-,-I x 4.1.2 Submission of moduct.- At the time the completed lot of product is .submitted to the Government for acceptance, the contractor shall supply the -following information accompanied by a certificate which attests that th
15、e information provided is correct and applicable to the product submitted: provisions of the approved current written description of the system, C. Results obtained for all inspection performed. d. Specification number and-date, together with an identification e. Certificates of analysis on all. mat
16、erial, referred to by Government f. Quantity of product in the lot, go Date suhmitted. a. A statement that the lot complies with all quality assurance . b. Quantity of product inspected. and date of changes. specifications, procured directly by the contractor. The certificate shall be signed by a re
17、sponsible agent of the certifying or- ganization. The initial certificate submitted shall be substantiated by evidence of the agents authority to bind his principal, Substantiation of the agents authority will not be required with subsequent certificates unless, during the course of the contract, th
18、is authority 5s vested in another agent of the certifying organisation. . 4.1.3 Government verification.-:Using the contractork written quality assurance procedure (see 4.l.l), this detailed specification, and other con- tractual documents as a guide, the Government inspector shall verify all qualit
19、y assurance operations performed by the contractor. Verification shall be in accordance witf ., “_ “ “ - “h . *L. ; :i Y? . . , Zr -. ._ ,. r . *. . . . . - . . - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-B-51092() *. :.,-. - - 4.1.3.2 Produc
20、t insTection.-Product inspection shall consist of Govern- ment inspection of product which has been previously Znspected by the cdntractor . - and found .%o meet the quality assurance provisions of this specification. The -.-inspection by the Government .shall be performed in order to determine that
21、 the - : product is of the quality req-ed this -specification and that the contractors records are reliable. 4.2 Inspection Provisions. 4.2.1 Lot formation.- A lot shall consist of amorphous boron from the same blending o.peration from.one manufacturer, in accordance with the same specificationor sa
22、me specification revision, under one continuous set of operating conditions. Each batch shall consist of that quantity of boron amorphous powder that has been subjected to the same unit chemical or physical process intended to make the final product homogeneous. - 4.2.2 Examination.- Sampling plans
23、and procedures for the following classification of defects sliaU. be in accordance with Standard FCLSCD-105. Continuous sampling plans, in accordance with Handbook OFt.D41608-ll may be used if approved by the procuring activity. Also, at the option of the procuring activity, AQL*s and sampling plans
24、 may be applied to the individual characteristics listed using an a of 0.25 percent for each major defect and an AQL of O0 percent for each minor defect. 4.2.2.1 Drum (mior to fillfin). (polsethslene liner) Critical: None defined, CatePories 3)ef ect s Method of insDection Critical: None defined. Ma
25、jor: AQL 0.25 percent - 101. Uner cut, torn or cturedVisual Minor.: None definea. 4.2.2.2 Drum (prior to closine: filled container) Categories Defects Method of insoection Major: . AQL 0.25 percent 101. Bag liner missing or torno.r.or.o.Vi 102. Bag liner improperly sealed,.,Visual Minor a AQL O. prc
26、ent 201, Bag iiner pulled .too tight, not allowing slack. . . . . .Visual 4.2.263 prUm (after closing container) Categories . Defects -Method of inmection Critical t None defined. I “- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-, MIL-B-53072 b8
27、m 7997706 0323576 5 . . rn-B-51=(0) I i I 102. Sealing strips missing.,r.Visual 1 t 103. ,Mth.cing missing, incorrect .or -illegible .Visual Majora - _ - . -. . -AC furnished with this apparatus, the average particle diameter shall be calculated using the following formula : i. B= KHN (A H-IT)3/2 wh
28、ere : F = average particle diameter, microns K = permeability constant A = cross-sectional area of s and .the fact th& the Government may have formulated, mnishod, or in any way supplied said drawings, specifications, or other data is not to be regarded by imication or otherwise as in any manner- li
29、censing the holder or aw other person or corporation, or conveying any rights or permission to manufacture, use, or sell any patented invention that may in any way be related thereto. Custodian: Preparing activity: Army-Ordnance Corps Army-Ordnance Corps 10 Y GPO 9e3349 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
