1、 M I L-S-22 I 28A COS 1 Amendment 2 i20 August 1971 Superseding Amendment I 24 April 1969. -. . ._ ._ M t L t TARY SPEC I FI CAT i-ON : . SQUIB, ELECTRIC, MARK 2 MODS -,- .- - -. . _-_-L_ -_ ._ This amendment forms a part of Mi I itary Specif icationm-M!-S-22128A. f .-. (NEP) of 20 November 1962 and
2、 has been approved by the Naval Ordnance Systems Command, Department of the Navy . By this change, MI L-S-22128ACWEP) is changed to MI L-S-22128A(OSl. W-herever. i t-.appezrs in speci f cation delete “Bureau of Nava I Weapons“ and substi tute . - - “Nava I Ordnance Systems Command .I1 2. Page 2, par
3、agraph 2.1, under llDRAWINGS“: Delete “SK 378942“ and assoc i ated ti t I es. 3. Page 3, paragraph 2. I, under “PUBLICAT ONS.“ De and associated .title and substitute: “SK 378738,l “SK 378739,“ and . ete “Techni ca 1 Memorandum CTM). i055“ 1: WD 41571 Special Manufacturing Procedure for Acceptance T
4、esting of Electric Squib Mk 2 Mods O and also delete the first sentence of the next paragraph. Page 3, paragraph 2.2, delete in its entirety and substitute: 4. “2.2 Other publications. to the extent specified herein. of invitation for bids shall apply. The following documents form a part of this spe
5、cification Unless ofherwise indicated, the issue in effect on date Code of Federa I Regu I at ions 49 CFR 171-178 Hazardous Materials Regulations, Department of Transportation MANUALS Department of Defense ? 4145.26M. DOD Contractors Safety Manual for Ammunition Explosives and Related Dangerous Mate
6、rial CApplications for copies of the above publications should be addressed to Superinten- 1- FSC 1340 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-S-22328A (2) 13 777770b 0303775 T MI L-S-22 I28A (i3S 1 Amendment 2 dent of Documents, Govern
7、ment Printing Office, Washington, D.C . 20402.)“ 5. Page 4, paragraph 3.3.2: Delete I1Dielectric characteristics,11 and substitute I nsu 1 at i on res i stance .I1 -. 6. or mi nus O. IO ampere. Page 4!-paragraph 3.3.3: Delete fll.OO ampere, 24 volts1 and substitute !1.00 plus 7. Page 4, paragraph 3.
8、3.5: Delete lthe foam polystyrene block. (see SK and substi tute la polystyrene foam block.“. 8. Page 5, add new paragraph 3.4 as follows: “3.4 Safety Precautions, The supplier shall observe the safety precaut 4145.26M, as appl icable.“ 378942.1“ ons of DOD 9. Page 5, paragraph 4.5.1. Delete and sub
9、stitute: “4.5. I Electrical continuity and resistance test. Every squib shall be subjecied to an electrical continuity and resistance test in accordance with OD-41571 (test current of less than IO milliamperes dc). Each squib that does not meet the requirement of 3,3.1 shal I be .rejected.“ IO. Page
10、 6, paragraph 45.2 Delete and substitute: “4.5.2 Insulation resistance test. An insulation resistance test shall be conducted in accordance with OD 41571 for verification of conformance to the requirements of 3.3.2. The test potential shall be 500 plus or minus 50 volts dc. The test potential shall
11、be applied for not less than one second. Sampling shall be in accordance with MIL-STD-105, Acceptable Qual ity Level- (AQL) I .O percent defective.“ 1 I. Page 6, paragraph 4.5.3: De.lete first sentence and substitute “The squib shal I be tested in accordance with OD 41571 to determine compliance wit
12、h requirements of 3.3.3“. 12. sha 13. tes AQ L Page 6, paragraph 4.5.4: I be conducted in accordance with OD 41571“. Delete first sentence and substitute “The firing time test Page 6, paragraph 4.5.5. Delete and substitute: “4.5.5 Output limits test. The squib shall meet the requirements of 3.3.5 wh
13、en ed in accordance with OD 41571. Sampling shall be in accordance with MIL-STD-105, 1.0 percent defective. In addition, if one or more squibs fa I fo fire, the lot represented sha I I be rejected .I1 14. Pages 9 through 12, delete section 6.4 and Notice: 15, Page 13, Figure I, “Test 4.5.2“: Delete
14、Dielectric test“ and substitute “lnsula- tion resistance test.I 16. Page 14, Figure 2, under the test sequence for lJolt,ll “Vibration,“ and lDielectric: 2 . , Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I- MIL-S-2212BA (2) I3 - 7797906 0303776 I - MiL-S-22128A(OS) Amendment 2 Delete llDielectricll in Three places and substitute “Insulation resistance.” . Preparing Activity: (Project No. 1340-N311) . NAVY - OS 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
