1、MIL-S-17923B (WEP) 20 November 1962 MIL-S-l7923A( Nord) 14 February 1955 , SUPERSEDING MILITARY SPECIFICATION SQUIB, MARK 1 MODS CARTRIDGE, IMPULSE, MARK 45 MOD O This specification has been approved by the Bureau of Naval Weapons, Department of the Navy. 1. SCOPE. 1.1 Scope. This specification cove
2、rs the Squib, Mk 1 Mods referred to herein as the squib. 20 APPLICABLE DOCUMENTS* 2.1 The following documents of the issue in effect on date of invitation for bids form a part of this specifica- tion to the extentspecified herein: SPECIFICATIONS Federal PPP -B -6 2 1 STANDARDS Military MIL-STD-105 M
3、IL-STD-129 Boxes, Wood, Nailed and Lock- Corner. Sampling Procedures and Tables for Inspection by Attributes. Marking for Shipment and Storage, IFSC 13401 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-179238 13 999790b qb4877 2 m MIL-S-17923B
4、 (WEP) a MIL-STD-350 MIL- STD- 353 MIL-STD- 414 DRAWINGS Bureau of Naval Weapons (Code Ident 10001) LD 175031 LD 252961 LD 252968 LD 256003 SK 378738 SK 378739 SK 378942 656714 Jolt Test for Use in Produc- tion of Fuzes. Transportation Vibration Test for Use in Production of Fuzes. ampling Procedure
5、s and Tables for Inspection by Variables. List of Drawings, Subassem- blies, Parts, and Specifica- tions for Squib Mk 1 Mods. Shipping (Packing) Condition Preserved (Packing) Condition (For 4 Squibs Mk 1 Mod i) . (For 100 Squibs Mk 1 Mod i). -. Ammunition Component Box Mk 2 Mod O. Firing Circuit. Fo
6、il Switch Assembly and Details. Squib Output Test Assembly and Details. Squib, Mk 1 Mods 1, 2, 3, 4, and 5 Assembly. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-c PUBLICATIONS Bureau of Naval Weapons (Code Ident 10001) Technical Memorandum (TM)
7、 1055 tion of Pyrotechnic Time Se- Operating Manual and Descrip- quence Measuring Equipment. (Copies of TM 1055 may be obtained from Naval Ordnance (Copies of docu- Test Station, China Lake, California .) ments required by suppliers in connection with specific procurement functions should be obtaine
8、d from the pro- curing activity or as directed by the contracting officer.) 2.2 Other publications. The following document forms a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids shall apply. Code of Federal Re
9、gulations 49 CFR 71-78 Interstate Commerce Commission Rules and Regulations for the Transporta tion of Explosives and Other Dangerous Articles. (The Interstate Commerce Commission regulations are now a part of the Code of Federal Regulations and are available from the Superintendent of Documents, Go
10、vernment Printing Office, Washington 25, Do C. Orders for the above publica- tion should cite “the latest issue and supplements thereto.“) 3. REQUIREMENTS . 3.1 Preproduction sample. Unless otherwise specified in the contract or order, there shall be a preproduction sample consisting of 1000 squibs.
11、 The preproduction sample shall be manufactured using the methods proposed for pro- duction. The preproduction sample shall be delivered to the activity designated in the contract or order (see 6.2) 3 b Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
12、-for preproduction and product verification testing (see figure 2) in accordance with this specification. Any production by the supplier prior to the acceptance of the preproduction sample will be at the suppliers risk. 3.2 Compliance with documents. The squib shall be fabricated and assembled in ac
13、cordance with LD 175031 including all drawings, specifications and other docu- ments listed thereon and shall meet the requirements of this specification. 3.3 Performance and product characteristics. (See figure 1.) 3.3.1 Electrical continuity and resistance. The elec- trical circuit of each,squib s
14、hall be continuous and shall meet the requirements of DWG 656714. 3.3.2 Dielectric characteristics. The resistance be- tween the connected lead wires and the case shall be not less than 50 megohms. 3.3.3 No-fire sensitivity. The squib shall not fire when energized- with 0.20 ampere, 24 volts direct
15、current (dc) for a minimum of five seconds. 3.3.4 Firing time. When subjected to 1.5 plus or minus 0.15 amperes dc at plus 70 plus or mi.rlus five degrees Fahrenheit (F) , the squib shall fire in 0.002 second or less . 3.3.5 Output limits. The squib shall be fired by 1.5 plus or minus 0.15 amperes d
16、c at plus 70 plus or minus five degrees F and shall produce a cavity with a capacity of three to 15 milliliters in the foam polystyrene.block. (See SK 378942.) 3.3.6 Jolt resistance. The squib shall withstand the jolt test of 4.6.1, Thereafter, it shall meet the require- ments of 3.3.1 and 3.3.2 and
17、 shall fire in accordance with 4.5.4 in 0.003 second or less. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3,7 Vibration resistance. The squib shall withstand the vibration test of 4.6.2, Thereafter, it shall meet the requirements of 3.3.1 and
18、 3.3.2 and shall fire in accordance with 4.5.4 in 0.003 second or less. 3.3.8 Watertightness. The squib shall be watertight and shall show no evidence of leakage when tested in accordance with 4.6.3 and thereafter shall fire in accord- ance with 4.5.4 in 0.0025 second or less. 3.4 Workmanship. The s
19、quib exterior shall be free from flux, oil, grease, explosive, foreign material and shall be free fromvisible blemishes. 4 ., QUALITY ASSURANCE PROVISIONS. 4.1 The supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified, the suppl
20、ier may utilize his own or any other inspection facilities and services acceptable to the Government. Inspection records of the examination and tests shall be complete and available to the Govern- ment as specified in the contract or order. The Govern- ment reserves the right to perform any of the i
21、nspections set forth in this specification where such inspections are deemed necessary to assure that supplies and services con- form to the prescribed requirements. 4,i. Acceptance. Authority and responsibility for acceptance shall rest with the cognizant Government repre- sentative. 4.2 Sampling.
22、Except as otherwise specified herein, the following documents shall govern the establishment of sampling plans, disposition of rejected material, and pro- cedures for inspection: (a) Standard MIL-STD-105 for attributes. (b) Standard MIL-STD-414 for variables. 4.3 Preproduction sample. The preproduct
23、ion sample shall conform to the requirements of 3.1, Failure to meet these re- quirements shall be cause for rejection of the preproduction sample and shall also be cause for cancellation of the con- tract or order. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
24、se from IHS-,-,-MIL-S-17923B 13 W 9999906 04641 4 W MIL-S -17 923B (WEP) 4.4 Lot. Unless otherwise specified in the contract or order, the lot size shall be 10,000 squibs (see 6.2). 4.5 Acceptance tests. (See figure 2.) 4.5.1 Electrical continuity and resistance test. Every squib shall be subjected
25、to an electrical continuity test using a resistance testing current of less than 10 milli- amperes dc. Each squib that does not meet the require- ments of 3.3.1 shall be rejected. 4.5.2 Dielectric test. A dielectric test shall be con- ducted for verification of conformance to the requirement of 3.3.
26、2. The test potential shall be either 1000 plus or minus 100 volts, 60 cycle alternating current (ac) or 500 plus or minus 50 volts dc. applied for not less than one second. Sampling shall be in accordance with Standard MIL-STD-105, Acceptable Quality Level (AQL) 1.0 percent defective. The test pote
27、ntial shall be 4.5.3 No-fire sensitivity test. The squib shall be tested to determine compliance with requirements of 3.3.3. Sampling shall be in accordance with Standard MIL-STD-105, AQL 0.065 percent defective. The samples used for this test shall not be delivered to the Government as part of pro-
28、 duct ion. 4.5.4 Firing time test. The firing time test shall be conducted in accordance with figures 1, 2, 6, and 13, Technical Memorandum (TM) 1055, and BuOrd DWGS SK 378738, and SK 378739. A sample shall be selected in accordance with Standard MIL-STD-414, Variability Unknown, AQL 1.0 percent def
29、ective. Failure to meet the requirements of 3.3.4 or occurrence of one or more duds or misfires shall be cause for rejection of the lot. 4.5.5 Output limits test. The squib shall met the re- quirements of 3.3.5. Test equipment shall be in accordance with SK 378942. A sample shall be selected in acco
30、rdance with Standard MIL-STD-414, Variability Unknown, AQL 1.0 percent defective. In addition, if one or more squibs fail to fire, the lot shall be rejected. 4.6 Preproduction and product verification tests. These tests shall be conducted on the preproduction sample (see figure 2) and on each reject
31、ed lot resubmitted for 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-acceptance . In addition , the Government reserves the right any time during production to -test random samples of squibs in accordance with these tests for product verification
32、 (see figure 2) . 4.6.1 Jolt test, The squib shall be subjected to the jolt test in accordance with Standard MIL-STD-350 and thereafter shall meet the requirements of 3.3.6. 4.6.2 Vibration test. The vibration test shall be con- ducted in accordance with Standard MIL-STD-353. The squib shall be secu
33、red in a suitable rigid-mounting fixture, and the leads taped to it. Thereafter, the squib shall meet the requirements of 3.3.7. 4.6.3 Watertightness test. The squibs shall be subjected to a cycle of four pressure conditions for a period of three to five minutes each. continuously. The conditions (a
34、), (c)., (d), (f) and pro- cedures (b) and (e) are as follows: The cycle shall be repeated 21 times I I Submerge squibs in plus 160 plus or minus 10 degrees F water at absolute pressure of approxi- mately 58 inches of mercury. Drain or pump water from chamber. Reduce chamber absolute pressure to not
35、 more than 5 inches of mercury. Fill chamber with tap water to an absolute pressure of approximately 58 inches of mercury. Temperature differential between tap water and hot water, condition (a), shall be not more than 90 degrees F. Drain or pump water from chamber. Reduce chamber absolute pressure
36、to not more than 5 inches of mercury. Thereafter, the squibs shall fire in accordance with 4.5.4. Failure to meet the requirements of 3.3.8 or occurrence of one or more duds or misfires shall be cause for rejection of the lot. 7 _. Provided by IHSNot for ResaleNo reproduction or networking permitted
37、 without license from IHS-,-,-MIL-S-17923B 13 W 9999906 Oqb43 MIL-S-17923B (WEP) 4.7 Visual examination. The squib shall be visually inspected for workmanship, exterior contamination and con- formance to preservation, packaging, packing and marking requirements of this specification, 5. PREPARATION
38、FOR DELIVERY. (See 6,4.) 5.1 Preservation and packaging. 5.1.1 Level A. In addition to detailed requirements herein and in applicable referenced documents, Level A preservation and packaging shall be in accordance with the Code of Federal Regulations 49 CFR 71-78. 5.1.2 Preservation. Preserved packa
39、ging of four squibs shall be in accordance with LD 252968. 5.1,3 Unit packaging. The shipping packaging condition for 100 squibs shall be in accordance with LD 252961. 5.2 Packing. 5.2.1 Level A. In addition to detailed requirements herein and in applicable referenced documents, Level A packing shal
40、l be in accordance with the Code of Federal Regulations 49 CFR 71-78. 5.2,l.l Packing. One hundred boxes, each containing 100 squibs (for a total of 10,000 squibs), packaged in accordance with 5,1,3 shall be packed in an Ammunition Components Box Mk 2 Mod O, LD 256003, or in a nailed wooden box conf
41、orming to the requirements of Specification PPP-B-621. 5.3 Marking for shipment and storage. 5.3.1 Standard marking. Unless otherwise specified in applicable documents, standard marking shall be in accord- ance with Standard MIL-STD-129 e 5.3.2 Special marking. Special marking shall conform to the r
42、equirements of the Code of Federal Regulations 49 CFR 71-78. 8 -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-6. NOTES. 6.1 Intended use. The squib isintended as a part of the ignition system for rocket motor propellant and any other use deemed a
43、ppropriate and applicable . 6,2 Ordering data, Procurement documents should specify the following : Number and date of this specification. Preproduction lot if different from 3.1. Name and location of testing activity desig- nated to evaluate the preproduction lot 3,i. Production lot if different fr
44、om 4.4 Mod 1, 2, 3, 4, or 5 required. Invocation of Specification MIL-Q-9858. 6.3 Preservation, packaging and packing levels. For definition of preservation, packaging and packing levels refer to Standard Fed. Std. No. 102. 9 Provided by IHSNot for ResaleNo reproduction or networking permitted witho
45、ut license from IHS-,-,-MIL-S-L7723B 13 777770b 04b4885 L I MIL-S-17923B (WEP) 6.4 General safety precautions. The loading, assembly and handling of the item covered by this specification, and the subassemblies thereof, involve hazardous operations and therefore require suitable explosives safety pr
46、ecautions. Use of this specification will not be construed as to re- lieve the supplier or manufacturer of responsibility for the safety of his operations. Listed below are certain minimum provisions which a supplier or manufacturer (which explosively loads the item covered) should observe in order
47、to fulfill his responsibility for safety. At Bureau of Naval Weapons, Navy Department, and other Government plants, these provisions are mandatory. Such other warnings and precautions, pertinent to the operational effectiveness or safety during use or loading of the specified item, are included in t
48、he detail technical requirements of the speci- Eicat ion. 60 4.1 All loading operations should be conducted in a neat and orderly manner. 6.4.2 Safe equipment and methods should be utilized for transporting and handling explosives and loaded parts. Where required, remote control barricaded handling
49、equip- ment shall be used for explosives operations, such as mix- ing, pouring, weighing, charging, sifting, drying, pressing, casting, crimping, etc. 6,4.3 Personnel handling detonators, primers, delay elements, lead-ins, boosters, and related parts which affect functioning, should insofar as practicable, avoid using bare fingers or improper equipment in order to prevent damage, corrosion,
