1、NIL-S-55387 (2) 57 W 7777706 0075737 T /I - 1/44 MIL-S-55389 ( EL) AMENEMENT 2 AMENDMENT 1 9 April 1975 MILITAY SPECFICATION SUPPHESSOR, EUCTRICAL TRANSIENT, MX-7778A/GRC This amendment forms a part of Military s,pecification MIL-S-55389(pL), dated 30 March 1973. PAGE 1 n 2.1, List of FEDERAL SPECIF
2、ICATIOKS: Delete and substitute: T-T-871 NN-P- 71 Q Q- S - 7 81 PPP- E- 2 o PPP-B- 585 PPP-3-601 PPP- E 621 PPP-B-636 PPP-E640 PPP-F-320 PPP- S- 760 PPP-T- 97 Tdne, Cotton, tirapping Pallets, Material Handling, Wood, Stringer Construction, 2-!.:ay and 4-way (Partial) Strapping, Steel, and Sealti Bag
3、, Cotton, Mailing Boxes, k!ood, Virebound Boxes, biood, Cleated Piywood Boxes, Wood, Nailed and Lack-Corner Boxes, Shipping, Fiberboard Boxes, Fiberboard, Corrugated Triplewall Fiberboard; Corrugated and Solid, Sheet Stock Strapping, Nonmetallic, (And Connectors) Tape; Pressure-Sensitive Adhesive, F
4、ilament (Container Grade) and Cut Shapes Reinforced“ FSC 5915 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-55389 (2) 57 ,777770b 0075738 2 1-s-s5389( EL) AMENDMENT 2 I PA
5、GE 2 * 2.1, List of MILITARY SPECIFICTIONS: Delete and substitute: WLITARY MIL-P-116 MICE117 MILT- 152 KIGV- 17 3 MIL-P-11268 MIEl413231 ML-F-14072 Preservation-Psckagi ng, Methods of Bags, Sleeves and Tubing-Interior Treatment, Moisture and Fungus Packaging Resistant., of Communications, Elec- tron
6、ic and associated Electrical Equipment, hquipment ) Parts, Materials, And Processes Used In Electronic Equipment, Marking of Electronic Items Finishes for Ground Electronic Plastic Molding Material (Polystyrene Polyurethane Foam, FZigid or Flexible, Varnish, Moisture-And-Fungus-Resistant . (for Elec
7、tronic And Associated Equipment Fom, Expanded Bead) For Fackaging“ u 2.1, List of MLITMY STAEAPXS: Celete an subst-itut,e: WILI T ArLY MIL-STC-129 MIL-STD-147 MIGSTD-253 MIL-STD-LSli MICSTD- 810 MIL-STD-1188 MIL-STD-lL72 Sampling, Procedures and Tables for Marking for Shipment- and Storage Palletize
8、d and Containerized Unit Inspection by Attributes Laads, 40 Inch x i18 Inch Pallets, Skids, Runners or Pallet Type Base Classification of Visual and Mechanj.ca1 Defects For Equipment, Electronic, Mired, ami Other devices Electronic Equipment Standard General Requi-rements For Environmental Test Meth
9、ods Conmercial Packaging of Supplies Human Engineering Design Criteria for and Equipment Military Systems, Equipment and Facilities“ Page 2 of 11 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without licens
10、e from IHS-,-,-MIL-S-55387 (2) 57 m 7977906 0075937 3 m PIIL- s- 55 389( EL) MIE;rDPIEI!T 2 PAGE 3 * 3.4.2, Celete and substitute: It3.4.2 Voltage Limitation. With the output of the transient suppressor open circuited and the input voltage adjusted such that the zener diode draws 1 2 0.1 amperes at
11、two (2) seconds of this voltage application, the maximum allowable output voltage shall be within a range of 33 to 36 volts referred to a zener case temperature of 86 + 5.5 degrees F (sbtract 17.2 mV per degree F from the output vol- tage for a lower zener case temperature and add 17.2 mV per degree
12、 F to the output boltage for a higher zener case temperature). (See b.7.l)ff PAGE 6 +t Ifwithstand immersiontt . 3.5.7, line 2: Delete Itbe capable of being immersedtt and substitute PAGE 7 n * spec 3.7.2, line 2 : Delete irX2408/it and substitute tt24087lf PAGE 9 4.2, Delete and substitute: 114.2 C
13、lassification of inspection. The inspection requirements fied herein are classified as .follows.: a. First article inspection. (See 4.3) Does not include Packaging. b. Inspection covered by subsidiary documents (See 4.4) c. Quality Conformance inspection: (1) Quality conformance inspection of equipm
14、ent before packaging. (See 4.5) (See 4.11) (2) Quality conformance inspection of Packaging. Page 3 of 11 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-S-553q (2) 57 9999906
15、 00759LIO T MIL-S-553 89 ( EL) ANEAEMENT 2 PAGE 10 n Table I: Delete and substitute: TABLE I FIRST ARTICLE INSPECTION INSPECTIONS TEST UNIT UNIT UNIT PARA. PARA . 1 2 3 Inspections covered by subsidiary documents Bounce, Preconditioning GROUP A Inspection GROUP B Inspection Environmental Lo11 Temper
16、ature High Temperature Orientation Humidity( Moisture Altitude Salt Fog Immersion Sand and Dust Vibration, Resonance Hesistance) 4.4 3.3 4.5.4 (See Table II) (See Txble III) 3.5.1.2 1i.6.1.2 3.5.1.1 4.6.1.1 3.5.8 4.6.8 3.5.2 4.6.2 3.5.3 lr.6.3 3.5.7 4.6.7 3.5.6 4.6.6 3.5.4.1 4.6.4.1 3 a5.9 -.4,6NljM
17、ENT 2 PAGE 12 * Table III: Add as last inspection: AQL - “INSPECTION . REQ PARA INSP PARA Immersion 3.5.7 4.6.7 i. NOTE: Special Inspection Level is Sfioup III Pulse Circuit Test 3.b.h.i 4.7.3.1 NOTE E This test shall be performed on a separate smple.fl Page 5 of 11 Copyright Communications - Electr
18、onics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-S-55387 (2) 57 = 777770b 0075742 3 MIS-55389( EL) AMFADFG3NT 2 * 4.5.3.1.1: Delete and substitute: 114.S.3.l.l Subgroups IA, lB, lC, Trble IV. - Two uni-s shal
19、l be selected at random from each 3000 equipments produced, or 2 every 6 months if less than 3000 units are produced in a 6 month period, and subjected to each inspection specified. selected at the start of the contract from the First Quality Conformance Inspection Lot.I The first sample shall be PA
20、GE 14 * 4.5.3.1.2: Delete and substitute: 11L.5.3.1.2 Subgroups IIA and IIB, Table IV. - Two units shall be selected at the stsrt of the contract from the First Quality Con- formance Inspection Production Lot and 2 units from the first 50 units following the midpoint production quantity shall be sel
21、ected. subsequent Group C inspection for the tests in these subgroups will be required. No * 4.5.3.1.3: Delete and substitute: lI4.S.3.1.3 Subgroup III, Table IV. - The pulse circuit test shall be performed once for esch 1ix)O equipments produced.“ * 4.5.3.1.3.1: Delete in its entirety. PAGE 18 9 4.
22、10: Delete and substitute: 114.1 Rough handling test (Packaging). - When the rough handling test in accordaxe with MIL-P-116 is required by contract (See 6.2( j), the unit shall be subjected to the-tests o? 4.7.1 thru 4.7.7 to determine freedom from malfunction caused by the rough handling.“ * 4.11:
23、 Delete and substitute: llb.l Quality Conformance inspection of Packaging. - Packaging shall be inspected in accordance with MIL-P-116 to determine conformance to the requirements of section 5.11 Page 6 of 11 /- LI I Copyright Communications - Electronics Command Provided by IHS under license with C
24、RAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-i, MIL-S-55389 (2) 59 W 9999906 00759V3 5 = MIL -sS389( EL) AMENDMENT 2 PAGE 19 +F 5. PrthPARATION FOR DELIVERY: Delete and substitute: f f P ACK AG I LUG I 5.1 Preservation. Preservation shall be level A, B or com
25、mercial, as specified (see 6.2(b). 5.1.1 Level A. 5.1.1.1 Cleaning. Each Suppressor, klectrical Transient MX-7778A/G.9C shall be cleaned in accordance with process C-1 of 1a-116. 5.1.1.2 Drying. Each Suppressor, Electrical Transient MX-7778A/GRC: shall be dried in accordance with the applicable proc
26、edure of MIL-P-116. 5.1.1.3 Preservative application. No preservative required. 5.1.1.4 Unit packing. Unit packing shall be in accordance with the methods or submethods prescribed in ?IIL-P-116 as specified herein. - 5.1.1.4.1 Technical literature. Each technical literature shall be unit packed subm
27、ethod IS-l. 5.1.1.b.2 dable Assembly, CX-l0613/G. Each cable assembly coil each cable into a shall be unit packed method III as follows: coil of proportionate dimensions and tie in three places with cotton twine conforming to T-T-871. Secure the connectors to the coil with the ties. 5.1.1.h.3 Templa
28、te. Each template shall be unit packed sub- method IC-1 as follows: conforming to MIL-B-117, type II, class C, style 1 and heat seal the closure. place the template within a close-fjhting bag S.i.l.h.1 Mounts and nuts. Items bearing the same stock num- ber shall be unit packed method III by placing
29、the items within a draw-string bag, conforming to PPP-B-20, close the bag with string ties. Page 7 of 11 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-5537 (2) 59 7777906
30、007594Li 7 MIES-55389( BL) - AMENDMENT 2 5.1.1.4.5 Suppressor, Electrical Transient MX-?778A/GBC, Each Suppressor, Electrical Transient NX-7778A/GRC shall be uet packed method III-as follows: cushion the unit, on all surfaces with cells or pads or both, fabricated of fiberboard conforming to PPP-F-3
31、20, type CF, class weather-r-sistant designed to protect all projections and absorb the shock of impact in handling and transit. nate, cushioning material maybe fabricated of plastic molding material conforming to MIL-P-19644 or polyurethane foam conforming to n-P-26514 . Place the cushioned unit an
32、d the items, unit packed as specified in 5.1.1.4.2 through s.i.i.4.4, within a close-fitting fiberboard box conforming to PPP-b636, .SC. Place the technical literature, unit packed as specified in s.l.l.l.l, on top of the contents, directly under the lid of the box. the box specification. unit packi
33、ng shmas specified in 5.1.1. As an alter- Close the box in accordance with the appendix of 5.1.2 Level B. Clenning, drying, preservative-application and 5.1.3 Commercial preservation. Preservation shall be in accordance with MIL-STD-1188. 5.2 Packin . Packing shall be level A, B or commercial, as sp
34、ecified (semE). Shipping containers for level A and B shall be capable of stacking and supporting superimposed loads during ship- ment and storage without damaging the container(s) or its contents, 5.2.1 Level A. A quantity of Suppressor, Electrical Transient MX-?778A/GRC, unit packed as specified i
35、n 5.1, shall be packed within a close-fitting box conforming to PPP-B-601, overseas type; PPP-9-621, style 4, class 2; or PPP-El-585, style 2 or 3, class 3. When the gross weight exceeds 200 pounds or the container length and width is 48 x 24 inches or more and the weight exceeds 100 pounds, 3 x 4 i
36、nch skids, laid flat, shall be applied in accordance with the requirements of the container specification, or if not specified in the specification, in a manner which will adequately support the item and facilitate the use of material handling equipment. Closure and strapping shall be in accordance
37、with the applicable container specification or appendix thereto except that metal strapping shall conform to QQ-S-781, type I, finish A. Page li of 11 R Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without
38、 license from IHS-,-,-MIL-S-5537 (2) 57 = 9777706 00757LI5 7 MIL-S-55389( EL) AMENDMENT 2 5.2.1.1 Unitization. Palletization shall be required when: containers specified in 5.2.1 do not require skids; quantities per destination comprise a pallet load; and container size permits use of one of the pal
39、let patterns of MIL-STD-147. A quantity of containers packed as specified in 5.2.1, except that container strapping may be omitted, shall be placed on a pallet, load type I, conforming to MIL-STD-147. or II woods. conforming to QQ-S-781, type I, finish A, or shrink film. The pallet shall conform to
40、NN-P-71, type IV, group I “he load shall be lfbondedll to the pallet by strapping 5.2.2 Level B. A quantity of Suppressor, Electrical Transient MX-7778A/GRC unit packed as specified in 5.1, shall be packed within a close-fitting fiberboard box conforming to PPP-I?-640, class 2, style E or PPP-9-636,
41、 type CF, class weather-resistant. The gross weight of boxes conforming to PPP-E640 shall not exceed 250 pounds. Closure shall be in accordance with the appendix of the applicable box speci- fication. Reinforcing shall be by pressure-sensitive filament tape banding respectively; selection of materia
42、l and application shall be in accordance with the appendix of the applicable box specification. ?hen the gross weight exceeds 200 pounds, or the container length and width is 48 x 24inches or more and the weight exceeds 100 pounds, containers will be pallet-mounted on pallets conforming to NN-P-71,
43、group I or II woods, strapping conforming to QQ-S-781, type I, finish A, or shrink film When a single unit is shipped to a single destination no packing is required; the unit container shall serve as the shipping container. Reinforcing shall be as specified above. quantities per destinationcomprise
44、8 pallet load. Suppressor, Electzical Transient MX 7778A/GRC, unit packed as specified in 5.1, shall be placed on B pallet, laad type I, conforming to MIL-STD-147. The pallet shall conform to NN-P-71, type IV, group I or II woods. two sides extendhg down the stacked load at least 1% inches to accom-
45、 modate marking requirements. conforming to PPP-F-320, class weather-resistnt, Wss or V3c. shall be lbonded to the pallet by strapping conforming to QQ-S-781, type I, finish A, or shrink film. or nonmetallic stropping conforming to PPP-T-97 and P-s-760, The load shall be %ondedfl to the pallet by 5.
46、2.2.1 Unitization. Palletization shall be required when h quantity of A fibeyboard cap shall be employed over the load having The cap shall be fabricated of fiberboard The load 5.2.3 Commercial packing. Packing shall be in accordance with NIL-STD-1188, Page 9 of 11 Copyright Communications - Electro
47、nics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5.3 Marking. . s.2.1 Military marking. In addition to any speck1 marking reauire by the contract or order. interior packs r.nc exterior shiolij.np: II v cohniners“ s
48、hall be mirked in accrdance xitk NIL-STC-lZ9. 5.3.2 Commercial marking. In addition to any special marking required by the contract or order, interior pscks 2nd exterior shipping containers shall be marke in accordsnce with MIL-sm-li88 .(I PAGE 21 * 6.2(b): Delete and substitute: “(b) Level A, level
49、 B or comercial preservation and packing (see section 5).11 PAGE 22 * 6,2(d) : Delete and substitute: “(d) First article inspection: (1) Three sample unj.ts of each item cited in the section 1 are generally required so that lengthy an pctentially damaging environ- mental tests can be performed on several sample units. (See 3.1) (2) First article pack(s) as follows: (a)
