1、MIL-R-81128 (Wep)4 August 1964SupersedingOS-64279 June 1950CODE IDENT10001MILITARY SPECIFICATI ONROCKET MOTORS, IDENTIFICATION OFPARTS AND ASSEMBLIES, REQUIREMENTS FORThis specification has been approved by the Bureauof Naval Weapons, Department of the Navy1. SCOPE1.1 This specification defines gene
2、ral requirements for the markingof parts and assemblies for solid propellant rocket motors, prepackaged liquidpropellant rocket engines, and JATO units.1.2 Classification. -Marking covered by this specification shalI beof the following methods and types, as specified:MethodMethodMethodMethodMethodMe
3、thodI - Steel StampingII - Electric Etch or ScribeIll - Ink Stamp or StencilIV - DecalV - TagVI - IntegralType 1 - Component Part Marking, Non-serializedType 2- Component Part Marking, SerializedType 3- Loaded Assembly MarkingType 4- Igniter Marking2. APPLICABLE DOC UMENTS2.1 The following document
4、of the issue in effect on date of invitationfor bids form a part of this specification to the extent specified herein.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-81128 (WEP)SPECIFICATIONMilitary3.3.1MIL-D-8634 Decal, Elastomeric PigmentedFi
5、lm, For use on Exterior SurfacesHandbook H4-1, H4-2 Federal Supply Code for Manu-facturersREQUIREMENTSGeneral Requirements. -Marking shall comply with the followinggeneral requirements.3.1.1 Location. -The location of marking shall be as required by thedrawings. Marking by methods I and II shall not
6、 be placed nearer than 0.06inches to any corner, fillet or sharp edge.3.1.2 Sequence of Marking. -Marking shall remain visible after theapplication of final protective finish. Marking shall not mar or penetrate plating,anodizing, paint, or other protective coating. If a protective finish is broken,s
7、uitable repairs approved by the procuring activity shall be made.3.1.3 Size. -Unless otherwise specified, size of characters used formarking shall be appropriate for the part. For rocket motor assemblies, size andspacing of characters used for marking shall be as shown in Table I below:NominalUp to
8、10TABLE IMARKING SIZE FOR ROCKET MOTOR ASSEMBLIESCase Diameter Height of Lettering Spacing Between Linesinches .25 in. (.18 in. ) .25 in. .18 in. )10 inches and over .50 in. .25 in. ) .38 in. (.25 in. )NOTE: Reduced size lettering (i.e., that shown in parentheses above) may be used forsubordinate in
9、formation if necessary to conserve space. Subordinate information isdefined as that appearing below the &tted line in 3.3.3.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MlL-R-81128 (WEP)3.2.1pressed, stumped,3.2.2Method I - Steel Stamp.rolled or p
10、eened into the-Marking shall be an impression cut,part with suitable tools.Method II - Electric Etch or Scribe. -Marking shall be apermanent impression made with either an electrically operated vibratory scriber orwith an electric arc between the part and a suitable scriber.3.2.3 Method III - Ink St
11、a g or Stenci ling. -Marking shalI be madeusing an indelible ink which contrasts the color of the part and is applied bymeans of a rubber stamp, stencil , or other method which does not scratch or damagethe surface of the part. The marking shal I then be covered with cIear lacquer or var-nish.3.2.4
12、Method IV - Decal. -Marking shall consist of a decal whichcomplies with MIL-D-8634.3.2.5 Method V - Tag. -Marking shall be made on cardboard tag tiedto part by string or wire.3.2.6 Method VI - Integral. -Marking shall be incorporated into diesor molds so that it automatically becomes a feature of pa
13、rts which are stamped, cast,forged, etc.3.3 Types of Marking. -The following types of marking contentshall be used as specified on the drawings.3.3.1 Type 1 - Component Part Marking, Non-serialized. -The partshall be marked with BuWeps drawings number, applic able revision letter, andmanufacturers i
14、dentification as assigned by handbook H-4 or an approved symbol.3.3.2 Type 2 - Component Part Marking, Serialized -The part shallbe marked with BuWeps drawings number, applicable revision letter, part serialnumber, and manufacturers identification as assigned by handbook H-4 or anapproved symbol.3.3
15、3 Type 3 - Loaded Motor Assembly Marking. -Marking of loadedmotor assembIies shall contain the following minimum information, arrangedapproximately as shown and reading from motor forward end to aft end.Name of Item Mk XX Mod XXBUWEPS DWG. NO. (Revision Letter) SERIAL NO. XXXXXXX3Provided by IHSNot
16、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-81128 (WEP)FIRING LIMITS XX “F TO XX “F (Plus Necessary Additional Notes)PROPELLANT GRAIN MK XX (If Applicable)USE IGNITER MK XX MOD XX (If Applicable)SEE PROPULSION UNIT DATA SHEET FOR FIRING EXPIRATION DATEC CONT
17、RACT NO. XXXXXXXX PROPELLANT LOT NO.- - - - - - - - - - - - - - - -XXXXXXXPROPELLANT CURE DATE XXXMFG: (OR LOADING ACTIVITY)3.3.4 Type 4 - Igniter Marking. -Marking of igniters shall containthe fol lowing minimum information arranged approximately as shown:IGNITER MK XX MOD XX SERIAL NO. XXXXXXXBUWE
18、PS DWG. NO. XXXXXXX (Revision Letter)CONTRACT NO. XXXXXX EXPLOSIVE LOT NO. XXXXXXXEXPLOSIVE CURE DATE xxxMFG: (OR LOADING ACTIVITY)4* QUALITY ASSURANCE PROVISIONS4.1 Responsibility for Inspection. -Unless otherwise specified in thecontract or purchase order, the supplier is responsible for the perfo
19、rmance of aIIinspection requirement as specified herein. Except as otherwise specified, thesupplier may utilize his own facilities or any commercial laboratory acceptable tothe Government. The Government reserves the right to perform any of the inspectionsset forth in the specification where such in
20、spections ore deemed necessary to assuresupplies4.2shall be4.34.3.1and services conform to prescribed requirements.Classification of Inspection. -Inspection of the marking proceduresclassified as follows:(a) Quality conformance inspectionQuality Conformance Inspection.Visual Examination. -Visually e
21、xamine all parts and assembliesto determine compliance with the proper marking procedures out lined in section 3.5. PREPARATION FOR DELIVERY5.1 Not Applicable6. NOTES6.1 Not ApplicableProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
