1、INCH-POUND MIL-DTL-32093A (OS) 22 February 2005 SUPERSEDING MIL-DTL-32093 (OS) 3 October 2002 DETAIL SPECIFICATION INITIATOR, CARTRIDGE ACTUATED JAU-75/A, JAU-76/A, JAU-77/A This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by a
2、ll Department and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for the manufacture and acceptance of the JAU-75/A, JAU-76/A, JAU-77/A Cartridge Actuated Initiators referred to herein as “initiator”. 1.2 Application. These initiators are used t
3、o provide a time-delay function in various aircraft emergency escape systems. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or re
4、commended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Go
5、vernment documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense
6、 Index of Specifications and Standards (DODISS) and supplements thereto, cited in the solicitation (see 6.2). Comments, suggestions, or questions on this document should be addressed to Commander, Indian Head Division, Naval Surface Warfare Center, Technical Information Branch (Code 4230), 101 Strau
7、ss Avenue, Indian Head, Maryland 20640-5035, or emailed to amanda.pennnavy.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. AMSC N/A FSC 1377 DISTRIBUTION STATEMENT A: Approved fo
8、r public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32093A 2 SPECIFICATIONS FEDERAL FED-STD-595 Colors used in Government Procurement DEPARTMENT OF DEFENSE MIL-D-21625 Design and Evaluation of Cartridg
9、es for Cartridge Actuated Devices MIL-DTL-25579 Hose Assembly, Polytetrafluoroethylene, High Temperature, Medium Pressure, General Specification For STANDARDS DEPARTMENT OF DEFENSE MIL-STD-331 Fuze and Fuze Components, Environmental and Performance Tests for MIL-STD-810 Environmental Engineering Con
10、siderations And Laboratory Tests MIL-STD-1168 Ammunition Lot Numbering And Ammunition Data Card (Copies of these documents are available online at http:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.
11、2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation (see 6.2). DOCUMENTS NAVAL SURFACE
12、WARFARE CENTER (CAGE Code 14083) CAD-10003 Design Certification for the Initiator, Cartridge Actuated JAU-67/A, JAU-68/A, JAU-75/A, JAU-76/A, JAU-77/A (Application for copies should be addressed to: Commander, Indian Head Division, Naval Surface Warfare Center, Attn.: Engineering Documentation Branc
13、h (Code 4230), Indian Head, MD 20640-5035.) DRAWINGS NAVAL AIR SYSTEMS COMMAND (CAGE Code 30003) 298AS100 Closed Chamber (0.5 cubic inch) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32093A 3 547AS100 Initiator, Cartridge Actuated (Delay)
14、726AS802 Fixture, Test 726AS804 Chamber Assembly, Closed (5.0 cubic inch) 848AS225 Initiator, Cartridge Actuated 3205AS266 Initiator, Cartridge Actuated JAU-76/A 3205AS267 Initiator, Cartridge Actuated JAU-75/A 3205AS268 Initiator, Cartridge Actuated JAU-77/A (Application for copies should be addres
15、sed to the Commanding Officer, Naval Inventory Control Point, 5801 Tabor Avenue, Philadelphia, PA 19120-5099.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents, which are DOD
16、adopted, are those listed in the issue of the DODISS cited in solicitation. Unless otherwise specifie d, the issues of documents not listed in DODISS are the issues of the documents cited in the solicitation (see 6.2). MCCORMICK-SELPH INCORPORATED DRAWINGS 06331-826852 Initiator, Cartridge Actuated
17、(Application for copies of McCormick-Selph Inc. drawings should be sent to McCormick-Selph Inc. 3601 Union Rd., Hollister, CA 95024-0006.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM E 1742 Standard Practice for Radiographic Inspection (Copies of this document are available online at http
18、:/www.astm.org or from the American Society for Testing and Materials Customer Service, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) SAE-AS604 Hose Assembly, Polytetrafluoroethylene, Metallic Reinforced, 3000 psi, 400 Degrees F, Heavyweight, Hydraul
19、ic (Copies of this document are available online at http:/www.sae.org/ or from the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, Pennsylvania, United States, 15096-001.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-3
20、2093A 4 2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. R
21、EQUIREMENTS 3.1 First article. When specified (see 6.3), a sample shall be subjected to the first article inspection as specified in sections 4.2 and 6.3. A first article inspection shall be required if: a. Two years or more have passed since the initiators were manufactured, b. There has been a maj
22、or turnover in personnel, c. There have been major changes to the production facility or d. There has been a transfer of production to a new facility or site. 3.2 Flight critical part. These initiators are flight critical items (see 6.4.1) installed on ejection seats and in escape systems and the te
23、chnical data package shall be identified and procured as such. 3.3 Design and construction. The following applies to the qualification status and configuration control of the initiators over the entire life of the item. 3.3.1 Identical configuration. The initiators design and construction shall be i
24、dentical to that subjected to qualification testing and approved for service use by the Navy. Vendors desiring to supply these items shall meet the qualification requirements defined in CAD-10003. Changes to the configuration shall be verified by qualification testing. The qualified configurations a
25、re listed in Table I. TABLE I. Configuration identification Model No. NAVAIR P/N McCormick-Selph Inc JAU-76/A 3205AS266 826852-02 JAU-75/A 3205AS267 826852-03 JAU-77/A 3205AS268 826852-04 3.3.2 Configuration control. Only the initiators procured from the vendor(s) listed on drawings 3205AS266, 3205A
26、S267 and 3205AS268 are approved for the application specified. A substitute initiator shall not be used or procured without prior approval and testing by the Indian Head Division, Naval Surface Warfare Center, and the Naval Air Systems Command Headquarters. 3.4 Primary components. The percussion pri
27、mers, propellants, Small Column Insulated Delay (SCID), and shear pins are primary components. Only one lot of each primary component shall be used in an initiator lot. One primary lot may be used in more than one initiator lot. 3.4.1 Percussion primers (primers). The primer shall be the following c
28、onfiguration: M42C1-979. Only one lot of each primary component shall be used in an initiator lot. One primary lot may be used in more than one initiator lot. Only primers manufactured within the last 24 months of assembly or re-certified within the last 12 months shall be used. Provided by IHSNot f
29、or ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32093A 5 3.4.2 Propellants. Only propellant manufactured within the last 24 months or re-certified within the last 12 months shall be used. 3.4.3 Small Column Insulated Delay (SCID). Only SCIDs from one lot manufac
30、tured within the last 24 months or re-certified within the last 12 months shall be used in the initiators. 3.5 Initiator production. The initiators shall be manufactured in accordance with the McCormick-Selph Inc. drawing 826852 and the drawings listed thereon. Each production initiator shall meet t
31、he requirements of 3.4 and 3.5.1 through 3.5.3 as outlined in Table II. Failure of any initiator to meet the requirements of 3.4 and Table II shall result in rejection of the initiator. TABLE II. Production inspections. Test Sequence Test Paragraph Requirement Paragraph 1. Visual 4.5.1 3.5.1, 3.5, 3
32、.7 2. Radiographic X-ray Inspection 4.5.2 3.5.2 3. Radiographic N-ray Inspection 4.5.2 3.5.2 4. Leakage 4.5.3 3.5.3 3.5.1 Visual inspection. Per section 4.5.1 the initiators shall be free of the following defects: illegible, missing or inaccurate markings, damage, burrs, dents, sharp edges, bent or
33、damaged mounting provisions, chipped or incomplete protective finish, or other defects which may prevent the installation of the initiators. The initiator shall have protective caps installed on the inlet and outlet ports. Each initiator shall meet the requirements of the drawings 3205AS266, 3205AS2
34、67 and 3205AS268 as required. 3.5.2 Radiographic examination. When radiographically examined in accordance with 4.5.2, the initiators shall show proper assembly, presence of all parts, and uniformity of the propellant and SCID column. The initiators shall be x-rayed such that the shear pin is visibl
35、e along its longitudinal axis on the film. The radiographic inspection shall show no foreign materials present. Cartridges shall be subjected to N-ray inspection while assembled initiators shall be subjected to x-ray inspection. 3.5.3 Leakage. The leak rate of each initiator cartridge shall not exce
36、ed 1.0 x10-5 cc/sec of air when tested in accordance with 4.5.3 prior to assembly into the initiator. 3.6 Initiator performance. The initiators shall meet all requirements of 3.6.1 through 3.7 and the acceptance criteria of 4.6. 3.6.1 Temperature -shock/humidity/altitude (TSHA) cycling. The initiato
37、rs shall not initiate or incur any internal/external damage or degradation when subjected to TSHA cycling in accordance with 4.5.4, and shall meet the requirements of 3.5.1, 3.5.2 and 3.6.5 following the completion of the sequential environmental testing. 3.6.2 Vibration. The initiators shall not in
38、itiate or incur any internal/external damage or degradation when vibration cycles are applied in accordance with 4.5.5, shall be safe to handle, and shall meet the requirements of 3.5.1, 3.5.2 and 3.6.5 following completion of the sequential environmental testing. Provided by IHSNot for ResaleNo rep
39、roduction or networking permitted without license from IHS-,-,-MIL-DTL-32093A 6 3.6.3 Shock. The initiators shall not initiate or incur any internal/external damage or degradation when sawtooth shocks are applied in accordance with 4.5.6, and shall meet the requirements of 3.5.1, 3.5.2 and 3.6.5 fol
40、lowing completion of the sequential environmental testing. 3.6.4 6 Foot Drop. The initiators shall not initiate or incur any internal/external damage or degradation to performance when subjected to the 6-foot drop test in accordance with 4.5.7, and shall meet the requirements of 3.5.1, 3.5.2 and 3.6
41、.5 when functioned. 3.6.5 Ballistic requirements. The initiators shall meet the requirements of 3.6.5.1, 3.6.5.2, 3.6.5.3 and 3.6.5.4 when fired in accordance with 4.5.8. 3.6.5.1 Ignition delay time. The initiator upper limit (UL) and lower limit (LL) for ignition delay time shall be as defined in T
42、able III. TABLE III. Ignition Delay Times Initiator MSI P/N LL (seconds) UL (seconds) JAU-75/A 826852-03 0.400 0.600 JAU-76/A 826852-02 0.250 0.380 JAU-77/A 826852-04 0.562 0.938 3.6.5.2 Maximum pressure. The upper and lower pressure limits for maximum pressure (psig) when functioned at the specifie
43、d temperatures shall be as follows in Table IV: TABLE IV. Maximum Pressure Limits Initiator Temp/Range (F) LL (psig) UL (psig) Duration (sec) JAU-75/A -65 500 1760 N/A JAU-75/A +200 625 1760 N/A JAU-76/A -65 to +200 1260 1760 N/A JAU-77/A -65 to +200 2000 3600 0.002 3.6.5.3 Shear pin actuation press
44、ure. The upper and lower limits for the shear pin actuation pressure (psig) when fired over the temperature range 65 to +200oF shall be UL = 625 psig and LL = 400 psig (see 4.5.8) for all except the JAU-76/A whose limits are LL=400 psig, UL=600 psig over the temperature range of 65 to +200oF. 3.6.5.
45、4 Duration. The JAU-77/A Initiator shall maintain pressure between 2000 psig and 3600 psig for a minimum duration of 0.002 seconds when fired into a52 inch length of aircraft hose per MIL-H-25579, size no. 4, into a 0.5 cubic -inch closed bomb (298AS100) per 547AS100. 3.7 Misfires. There shall be no
46、 misfires (see 4.6). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-32093A 7 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.2) b.
47、Production inspection (see 4.3) c. Lot acceptance inspection (see 4.4) 4.2 First article inspection. Unless otherwise specified in the contract or purchase order (see 6.3), a first article inspection sample of 39 initiators conforming to each drawing 3205AS266, 3205AS267 and 3205AS268 shall be subje
48、cted to first article testing as required. Thirty-nine of these initiators shall be expended in the tests listed in Table V. The Government shall retain any remaining units for investigative purposes. The tests shall be performed in accordance with MIL-D-21625. Any damage inflicted by the environmen
49、tal exposures which would adversely affect the performance of the item in its service application shall be cause for rejection of the first article sample. Any production prior to notification by the contracting agency of the first article sample acceptability shall be at the contractors risk. Failure of any initiator to comply with the requirements of section 3 shall be cause for rejection of the first article represented. TABLE V. First Article Te
