1、MIL-C -1 4 8 4 IA (XU) 12 October 1973- SUPERSED IXG YIL-C-14841 (XU) 20 July 1969 1. SCOPE 1.1 This specification covers Cartridge, Delay: ?i231, for use with propellant actuated devices in aircrew emergency escape systems. 2 APPLICABLE DOCLf?RNTS 2.1 The following d0cui:ients of the issue in effec
2、t on date of invitation for bids or request for proposal, fon a part of this specification to the extent spccif ied herein. Hili tary XIL-A-2 5 5 O ?IIT,-E-5 27 2 UT,-C-6 05 39 - Amniunition and Special iieapons, General - Environmental Testing, Aeronautical and Specification for Associated Cquipmen
3、t , General Specification for and Aluminw Alloys - Coating, Anodic, Conventional, for Aluminum ?IIL-s?n-1(19 YIL-STD- 13 ?IS-2 8 74 1 Arr;ar.ient Coninand Dl0536005 C8799620 - Saqlng Procedures and Tables for Inspection - +ality lscurance Term and Definitions - Visual Inspection Guide for Rubber +Ri
4、ngs - iose Assembly, Detachable End-f itting, ?lediun by Attributes Pressure - Cartridge, Delay, X231, hsseinbly - fiox, Packing, ,bmunitiori for Cartridge, Delay, X70, :-t93, X113, Y155 and 31231. FSC 1377 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
5、-,-,-2-11 I,-C - 14 3 4 1.2 (! E) C8739621 - Carton, Packing, L2nmunition for Cartridge, I ETJ- 1 95 3 h 005 - Inspection Iquipinent List for Cartridge Delay, Y70, !493, ?1113, i11335, or 3.1231 Delay, 14231 (Copies of specifications, staiiciards , drawings and pii1)licntions required by suppliers i
6、n connectfon with specific procurement functions slioudl be obtained from the procuring activity or as directed by t!ie contractins officer). 2.2 _Bther_,-_.Lc_at,iocb-c.-The following document form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in
7、 effect on date of invitation for bid or request for proposal shall apply. AXSI 346.1 - Surface Texture (Application for copies should be addressed to the American National Standards Institute (AUSI), 1430 Ilirondwoy, nef. York, ;Y. Y. 10018). 3. REQUIRRNE3TS 3.1 Ccnera1.-Yaterials, parts and asseri
8、blies shall conform to the applicable drawings and referenced specifications. 3.2 Protectiv-sf_iCniLcI.-Protective finish shall be in accordance with YIL-C-60539 and shall apnlv to all siirfaces of the ascenibled cartridge re- gardless of confixuration. 3.3 Vibration.-The cartridjie shall wi.tlistan
9、cl vibration as prescribed in MIL-E-5272, Procediire XII, without evidence of any disintegration of the pri- mer, igniter or propellant charge. 3.4 energv level o 26 inch ounces in a sectioned cartriclRe case, void of delay charge, i.o,niter and proncllarit charge gr-iimer r;E?_n-l_tii-v-.-The priin
10、er shall fire whcn drop tested at an 3.5.1 The cartridge s!ia.ll not fail to fire. 3.5.3 -_._I- !;allisticc.-Tlie I ._ _- - - . curtridz:c! dien tested iii an :Ill741 and a pressure? c!xiinhr with a voliirne of 1 ciihic inch, ? &*&e - C. . -. . Provided by IHSNot for ResaleNo reproduction or network
11、ing permitted without license from IHS-,-,-MIL-C-19891A 13 9 777770b 0277382 5 M blIL-C-14841A (MU) TABLE I Pressure (PSI) Delay (Seconds) Temperature Min. Max. (See 6.2) -65F to -7OOF 500 1250 0.93 Max. 200% to 205% 700 1700 0.57 Min. 65% to 75% 600 1500 0.72 5 0.12 - I/ Pressure values shall be pr
12、oduced in a one cubic inch pressure station at the end of 15 feet of hose (size no. 4) in accordance with MS 28741. 3.6 krkmanship.-Workmanship shall be in accordance with the require- ments of the applicable drawings, referenced specifications and the following: 3.6.1 Metal defects.-The metal part
13、shall be free from cracks, splits, cold shuts, inclusions, porosity or other metal defects. 3.6.2 =.-The part shall not have a burr which would interfere with the assembly or function of the part or be injurious to personnel handling the item. 3.6.3 Foreign matter.-The part or assembly shall not con
14、tain chips, dirt, grease, oll, rust, corrosion or other foreign matter. 4. QUALITY ASSURANCE PROVISIONS 4,l Responsibilityfor inspection.-Unless otherwise specified in the con- Except as otherwise specified in tract or purchase order, the supplier is responsible for the performance of all inspection
15、 requirements as specified herein. the contract or order, the supplier may use his own or any other facilities suitable for the performance of ehe inspection requirements specified herein, unless disapproved by the Government. form any of the inspections set forth in the specification where such ins
16、pections are deemed necessary to assure supplies and services conform to prescribed requirements. The Government reserves the right to per- 4.1.1 Quality assurance terms and definitions.-Reference shall be made to -I_-I_ MIL-STD-109 to define the quality assurance terms used. 4.1.2 4.2 First article
17、 Sam?&. Inspection.-Inspection shall be in accordance with MIL-14-2550. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-and shall be obtained frm the-same source of supply. 4.2.1.1 Examination and tests.-After examination and provisional acceptance
18、 at source, the sample shall be inspected for all requirements of the drawings and specifications at a Government laboratory or such other facility specified in the contract. 4.2.1.2 Ballistics.-The sample for ballistic tests shall be temperature The sample for conditioned and tested to determine co
19、mpliance with Table I. firing shall consist of the following: TABLE II Temperature -65 to -70F 65 to 75OF 200 to 205F Not Vibrated 6 6 6 Vibrated 4 4 4 4,2.1,3 Initial production sample failure,-Failure of the sample to comply with the reqirements of the drawings and specifications shall result in s
20、ample disapproval. 4.3 Inspection provisions. 4.3.1 E. 4.3.1.1 Submission of product.-The product shall be submitted in accordance with MIL-STD-105 4,3.1,2 Size of lot.-Unless otherwise specified by the procuring agency, an ammumition lot shall consist of an identifiable group of metal parts assem-
21、blies consisting of: a. b. c. Primers from not more than one lot. d. e. Propellant from not more than one lot. Components produced by a homogeneous process. Delay charge from not more than one lot, Igniters from not more than one lot. 4 Provided by IHSNot for ResaleNo reproduction or networking perm
22、itted without license from IHS-,-,-MIL-C-LLlqLA 13 = 997990b 0297384 7 W MIL-C-l484lA(MU) 4.3.2 Examination.-One hundred percent examination shall be performed for all critacal defects. on a defect basis in accordance with the classification of defects using the sampling plan and associated criteria
23、 in Tables III and IV. For an individual defect (single characteristic) the criteria in Table III shall be used. For total defects within a major or mfnor class, the criteria in Table IV shall be used. cation may be used to perform visual examination for such defects as burr and foreign matter. be u
24、sed as a basis of comparison for surface roughness determination. Examination for major or minor defects shall be performed All non-conforming material shall be rejected. Four power (4X) magnifi- The roughness comparison specimen prescribed in ASA B46.1 shall TABLE III Minor Major Lot Size Sample Si
25、ze Accept Reject Accept Reject 1 to 300 100% Examination - - - - 301 to 1300 110 1 2 2 3 1301 to 3200 150 2 3 3 4 3201 to 8000 225 3 4 4 5 8001 to 22000 300 4 5 5 6 TABLE IV Total allowable defects per sample size Sample Size for Major Defects - - - - - - - 110 150 225 300 Number of Characteristics
26、in Class 2- 3 4- 7 8 - 19 20 - 43 Over 43 1 2 3 4 2 3 4 5 3 4 5 7 4 5 8 10 6 8 11 14 Sample Size for Minor Defects - - - - - - - 110 150 225 300 Number of Characteristics in Class 2- 3 4- 7 8 - 16 17 - 48 Over 48 5 2 3 4 5 3 4 5 7 4 5 8 10 6 8 11 14 8 11 17 20 Provided by IHSNot for ResaleNo reprodu
27、ction or networking permitted without license from IHS-,-,-Defect Method of Inspection CRITICAL 1, Mixed delay elements Visual 2. Flash hole missing or obstructed Visual 3. Primer uncrimped or seal missing Visual 4. Marking missing, incorrect or illegible Visual 5. Delay charge not visible through f
28、lash hole Visual 6. Metal defective Visual MAJOR 101. Burr. Visual 102. Foreign matter Visual 103. Protective finish inadequate or defective Visual MINOR None defined 4.3.2.2 Disc, Sealing Dwg. C8594077, covering a detail of Dwg, D10536005. CRITICAL 1. Metal defective Visual 2. Marking missing, inco
29、rrect or illegible Visual MAJOR 101, Diameter, min. 102. Thickness 103. 104. Burr 105. Foreign matter Protective finish inadequate or defective MINOR 201. Diameter, max. 202. Varnish missing or inadequate 6 Gage Gage Visual Visual Visual Visual Visual Provided by IHSNot for ResaleNo reproduction or
30、networking permitted without license from IHS-,-,-MIL-C-l4841A(MU) 4.3.2.3 I- Case, Cartridge, Dwg. C8595202, covering a detail of Dwg. D10536005. -I_ Defect Method of Inspection CRITICAL 1. Metal defective Visual MAJOR 101. 102. 103. 104. 105. 106. 107. 108. 109. 110. MINOR Concentricity of head wi
31、th body Straightness of base Diameter of body, min. Diameter of head, min. Location of datum diameter Thickness of base Thickness of wall Protective finish inadequate or defective Burr or sharp corner Foreign matter Gage Gage Gage Gage Gage Gage Gage Visual Visual Visual 201. Total length 202, Diame
32、ter of head, max. 203. Radii or chamfer incorrect or missing 204. Diameter of body, max. 205. Surface finish improper Gage Gage Visual Gage Visual 4.3.2.4 Cartridge, Delay, M231 Assembly Dwg. D10536005. CRITICAL 1, Any part missing X-ray & Visual &/ 2, Improper assembly X-ray & Visual IJ 3. Mixed de
33、lay element or propellant X-ray 6 Visual Al 4. ?fetal defective Visual 5. Crimp missing or incorrect Visual 6. hiarking missing, incorrect or illegible Visual HAJOR 101. Diameter of body, max. 102. Diameter of head, max. 103. Location of datum diameter 104. Cartridge profile failure 105. O-ring spli
34、t, cracked or cut 106. 107. Burr 108. Foreign matter Protective finish inadequate or defective 7 Gage Gage Gage Gage Visual Visual Visual Visual Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-c 4.3.2.4 (Cont d) Defect Method of Inspection MINOR 201.
35、 Total length Gage 202. Case damaged Visual 203. Varnish missing or inadequate Visual - i/ I agency The assembled cartridge shall be x-rayed with the long axis of the Cartridge perpindicular to the rays of the x-ray machine. negatives, properly identified, shall be forwarded to the procuring The x-r
36、ay I None defined MAJOR I None defined c MINOR 201. Contents loose Manual & Visual 202. Quantity of contents incorrect Visual 203. Separator or filler missing Visual 204. Heat sealer incomplete, loose or distorted Visual 205. Cut or damaged through impregnated box Visual Visual I I 206. Marking miss
37、ing, incorrect or illegible CRITIC AL None defined MAJOR I None defined 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-LLIBVLA 13 9779906 0297388 b MIL-C-14841A (MU) 4.3.2.6 (Cont d) Defect MINOR Method of Inspection 201. 202 203. 204 . 205.
38、 206. 207. 208 Contents loose Hardware missing, loose, broken or improperly .engaged Strapping missing, loose, broken or improperly assembled Contents of box exposed Box damaged Marking missing, incorrect or illegible Number af cartons incorrect Car seal missing, unsealed or improperly positioned Ma
39、nual 6 Visual Visual Visual Visual Visual Visual Visual Visual 4.3.3 Inspection testing,-The following tests shall be performed in accordance with the provisions of 4.4. 4.3.3.1 Hardness.-Ten units from each heat treated lot shall be tested to determine compliance with the drawing requirements. comp
40、ly with the drawing requlrements shall be cause for rejection of the lot. Failure of arky unit to 4,3,3.2 Protective finish.-Unless otherwise specified, sampling plana and procedures in determination of acceptability of coated parts and articles sub- mitted by a supplier shall be in accordance with
41、provisions set forth in Table I11 and IV and MIL-C-60539. 4.3.3.3 Vibration.-Twelve of the assembled cartridges of the initial pro- duction sample or 12 assembled cartridges from a subsequent lot (when a change has been made in the lot of primers, propellant or delay elements) shall be subjected to
42、vibration as directed in 3.3, shall be x-rayed in accordance with note 1/ of 4.3.2.4. to comply with the requirements of 3.3 shall be cause for rejection of the lot. When there is a change in the method of charging the cartridge or in the lot of primers, 12 additional cartridges shall be selected an
43、d tested as indicated herein, After vibration the 12 cartridges Failure of any cartridge 4.3.3.4 Sealant application.-Five cartridges from each production lot (from primer sensitivity sample), shall be tested to determine compliance with the drawing requirements. Failure of any cartridge to comply w
44、ith the drawing requirements shall be cause for rejection of the lot. 4.3.3.5 Airtightness.-Each cartridge shall be subjected to an airtightness test. cause for rejection of the lot. Failure of any cartridge to comply with the drawing requirements shall be a 9 Provided by IHSNot for ResaleNo reprodu
45、ction or networking permitted without license from IHS-,-,-4,3.3.6 Primer sensitivity.-A sample of 50 assembled cartridges from the initial production sample and 25 assembled cartridges from each subsequent production lot shall be tested for sensitivity. Failure of one cartridge to comply with the r
46、equirements of 3.4 shall be cause for rejection of the lot. 4.3.3.7 Functional,-The following test shall be performed by the Government. 4.3.3.7.1 Ballistics.-Thirty test cartridges from each production lot shall be grouped and temperature conditioned as prescribed in 4.4.7.1.1 and Table V. Failure
47、of any cartridge to comply with the requirements of 3.5.2 shall be cause for rejection of the lot. TABLE V Temperature Production Lot -65 to -70F 10 65O to 75F 10 200 to 205F 10 4.3.4 Inspection equipment,-The examination and tests shall be made using equipment listed on IEL 10536005. 4.4 Test metho
48、ds and procedures. 4.4.1 Hardness.-A hardness testing machine shall be used to determine the hardness values specified on the applicable drawings. 4.4.2 Protective finish.-The method and procedure for performing the pro- tective finish tests shall be in accordance with MIL-C-60539. The case shall be
49、 sectioned longitudinally to better expose the critical surfaces to the salt spray. 4.4.3 Vibration.-The method and procedure for performing the vibration test shall be in accordance with MIL-E-5272, Procedure XII. 4.4.4 Sealant application.-The cartridge shall be disassembled in such 8 manner that determination can be made that the sealant has been applied (360
