1、MIL-P-l482g(MTJ) 5 August 1968 MILITARY SPECIFICATION PROJECTTLE, 4.2 INCH TACTICAL CS, 633 METAL PARTS ASSEMBLY 1. SCOPE 1.1 This specification covers Projectile, 4.2 Inch, Tactical CS, 633 Metal Parts Assembly. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of i
2、nvitation for bids or request for proposal, form a part of this specification to the extent specified herein: SPECIFICATIONS Military MIL-2550 - Ammunition and Special Weapons, General Specification for STANDARDS Federal Federal Test Method Standard No. i41 - Paint, Varnish, Lacquer, Federal Test Me
3、thod Standard No. 1.51 - Metals; Test Methods and Related Materials; Methods of Inspection, Sampling and Testing. FSC 1315 THIS DOCUMENT CONTAINS /1, PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-105 MIL-STD-109 MIL-STD-I. - Ammuniti
4、on Data Card MIL-STD-1168 MIL-STD-1169 MEL-STD-1235 - Sampling Procedures and Tables for Inspecticm - Quality Assurance Terms and Definitions - Lot Numbering of Ammunition - Packaging, Packing and Marking for Shisment of Inert Ammunition Components - Single and Multilevel Continuous Sampling Procedu
5、res and Tables for Inspection by Attributes by Attributes DRAWINGS Munitions Command F10543050 F8848553 - Pallet Il0.543050 - Projectile, 4.2 Inch, Tactical CS, 633 Metal Parts - Inspection Equipment List for Projectile, 4.2 Inch, Tactical CS, 633 (Copies of specifications, standards, drawings and p
6、ublications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other Publications.-The following documents form a part of this s-oecification to the extent specified herein. Unless oth
7、erwise indicated, 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.2 Heat treatment or stress relief.-Heat treatment or stress relief applied shall be uniform throughout each lot of comDonents and shall be so conducted as to produce in each compon
8、ent the mech Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P- 14829 (MU) 4.2.1.1 Examination and test.-After inspection and provisional acceptance at source, the sample shall be inspected for all requirements of the drawings and specifications
9、at a Government laboratory or such other facility specified in the contract. 4.2.1.2 Initial production sample failure.-Failure of the sample to comply with the requirements of the drawings and specifications shall result in sample disapproval. 4.3 inspection provisions 4.3.1.1 Submission of product
10、.-The product shall be submitted in accordance with MiL-STD-iO5. 4.3.1.2 Heat treatment lots.-Heat treatment lots shall contain base forgings from not more than one heat of steel that have been heat treated in the same heat treating equipment, at the same temperature, in one unchanged process. The h
11、eat treatment lot thus constituted shall be the basis for the selection of samples for the tension test hereinafter 4.3.1.3 Stress relieved lots.-Stress relieved lots shall contain cold worked bases from not more than one heat of steel that have been cold worked by the sane process, utilizing the sa
12、me tooling and equip- and stress relieved in the same furnace at the same temperature for The stress relieved lot thus constituted shall the basis for the selection of samples for the tension test hereinafter e same length of time. 4.3.1.4 Tubing lots.-Bodies manufactured from tubing shall be abrica
13、ted from tubing lots containing not more than one heat of steel. e bodies shall be cold nosed and stress relieved using the same equipment nd procedures. Lots of bodies thus constituted shall be the basis for the election of samples for the tension test hereinafter prescribed. 4.3.1.4.1 Adapters.-Ad
14、apters manufactured from tubing shall be ricatea from tubing lots containing not more than one heat of steel. ing lots thus constituted shall be the basis for the selection of 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ _II _I- MIL-P-1Lt27 13
15、 - 799790b 0297270 O - 4.3.1.5 Bar stock lots.-Bar stock lots shall contain not more than one heat of steel. Bar stock lots thus constituted shall be the basis for the selection of samples for the tension test hereinafter prescribed. 4.3.1.6 Miscellaneous lots.-Small lots (such as bodies manufacture
16、d from abnormally small heats of steel or bodies and bases that have become separated from previously delivered lots, etc.) may at the discretion of the supplier be grouped into miscellaneous heat treatment, stress relieved or tubing lots as the case may be. miscellaneous lot code number and process
17、ed in accordance with 4.3.1.2, 4.3.1.3 or 4.3.1.4 as applicable. shall be the basis for the selection of samples for the tension test hereinafter prescribed. Such lots shall be identified by a The miscellaneous lot thus constituted 4.3.1.7 Projectile lots.-When it has been determined that a heat tre
18、ated, stress relieved, tubing, bar stock or miscellaneous lots of bodies, bases or adapters have complied with the mechanical properties requirement of the applicable drawlng, they may be regrouped for assembly into projectile lots, to which will be assigned a projectile lot number in accordance wit
19、h MIL-STD-1168. The projectile lot shall consist of pro jectiie assemblies produced by one supplier under one contract in one unchanged process, in accordance with the same drawing, same drawing revision, same specification and same specification revision, wider conditions of continuous production f
20、ree from interruptions other than those due to the end of a shift, day or workweek. selection of samples for the Functional test hereinafter prescribed. The projectile lot thus constituted shall be the basis for the 4.3.2 Examination.-One hundred percent examination shall be performed Examination fo
21、r major and minor defects shall be for al1 critical defects. performed on a defect basis in accordance with the classification of defects contained herein, using the sampling plans contained in MIL-STD-105. Continuous sampling plans in accordance with MIL-STD-1235 may be used if approved by the proc
22、uring activity. defect and an AQL of 0.65 percent for each minor defect shall be used. nonconforming material shall be rejected. may be used in performing visual examination for such defects as cracks, burr and foreign matter. shall be used as a basis for surface roudmess determination. An AQL of 0.
23、40 percent for each major All Four power (4X) magnification The roughness comparison specimens prescribed by ASA-B46.1 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-P-24829 23 9799906 0297293 2 W MIL-P- i4829 (MU) 4.3.2.1 Spacer , Drawing ci
24、0534156 , covering a detail of Drawing F10543050 Defect Method of Inspection None defined 101. Diameter outside, small Gage 102. Diameter of holes Gage 103. Length of small diameter, min Gage 104. Surface finish on small diameter Visua (see 6.1) 105. Metal defective Visual 201. Length, total Gage 20
25、2. Thickness of wall Gage 203. Radii or chamfers missing or incorrect visua (see 6.1) 204. Surface finish improper (except as otherwise classified) Visual Visual 4.3.2.2 Adapter, Nose, Drawing D10534158, covering a detail of Drawing F1053050 None defined 101. 102. 103. Diameter, inside, small 104. D
26、iameter of brazing surface 105. Diameter of spacer cavity 106. 107. Metal defective Concentricity of spacer cavity with brazing area, Concentricity of small inside diameter with including perpendicularity of front shoulder spacer cavity Surface finish of brazing surface 7 Gage Gage Gage Gage Gage Vi
27、sua (see 6.1) Visual Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-202. 203. Length, total 204. 205. Length from fro& face to front shoulder Radii or chamfer missing or incorrect Surface finish improper (except as otherwise 4.3.2.3 Adapter Assembly
28、, Drawing Ci0543051, covering a detail of Drawing F10543050 None defined 101. Length, total, max. 102. Gap between spacer and adapter shoulder visua (see 6.1) None defined 4.3.2.4 Plug, Base, Drawing D10534160, covering a detail of Drawing F10543050 (before painf) 1. Metal defective 101. Concentrici
29、ty of large outside diameter with press fit diameter, including perpendicularity of front face of 102. Concentricity of pitch diameter of thread with press fit surface, including perpendicularity of front and rear face(s) of flange a Provided by IHSNot for ResaleNo reproduction or networking permitt
30、ed without license from IHS-,-,-Pitch diameter of thread, min Major diameter of thread, min. Surface finish on press fit diameter improper or damaged Pitch diameter of thread, max. Protective coating inadequate or damaged lax emulsion inadequate or damaged Corrosfon preventive compound missing from
31、thread Foreign matter Method of Inspection Gage Gage Gage Gage Gage Gage Gage Gage Gage Gage visua (see 6.1) visual (see 6.1) Visual Visual Gage Gage visual (see 6.1) Gage Visual Visual Visual Visual 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
32、Method of Inspection 1. Metal defective 101. Diameter of brazing surface 102. Length to datum diameter 103. 104. 105. Variation in wall thickness Length to rear of forward bourrelet Thickness of wall at ogive 201. Diameter at front, outside 202. Length, total Visua (see 6.1) 205. Foreign matter 4.3.
33、2.7 Metal parts, Drawing F10543050 (before paint) None defined 101. Concentricity of pitch diameter of nose thread with bourrelets, including perpendicularity of front face of nose 102. 103. 104. 105. 106. 107. 108. Dimeter of bourrelets, min. 109. Diameter of body 110. Ill. Depth of thread cavity 1
34、12. Concentricity of nose adapter with bourrelets Concentricity of ogive with bourrelets Concentricity of body with bourrelets Concentricity of illuminant charge cavity with Concentricity of base plug cavity With bourrelets Perpendicularity of rear face with bourrelets bourrelets Diameter of illumin
35、ant charge cavity Mating surfaces at body, adapter joint hproper Visua (see 6.1) 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-19829 13 9999906 0297295 T W MIL- P- 14829 (MU) 4.3.2.7 (Contd) Defect - MINOR 201. Diameter of nose outside Met
36、hod of Inspection Gage 4.3.2.8 Metal parts, Drawing F10543050 (after paint) CRITICAL None defined MAJOR 101. 102. 103. 104. 105. 106. 107. 108. MINOR Absence of pressure stamp (indication failure to Pitch diameter of nose thread, max. Minor diameter of nose thread, max. Diameter of bourrelets, max.
37、Diameter of base plug cavity Depth of base plug cavity Length of effective nose thread, min. (if applicable) Surface finish of base plug cavity improper or damaged pass pressure test) Visual Gage Gage Gage Gage Gage Gage Visud 11 Provided by IHSNot for ResaleNo reproduction or networking permitted w
38、ithout license from IHS-,-,-_II_ MIL-P-14829 13 999990b 029727b 1 - MIL-P- 14829 (MIT) 4.3.2.9 (Contd) Defect - MlNOR Method of Inspection 201. Pallet damaged 202. Sleeve missing 203. Improperly packed 204. Strapping missing, loose or broken Visual Visual Visual Vi sual/Manual 4.3.3 Inspection testi
39、ng.-!The following tests shall be performed in accordance with the provisions of 4.4 4.3.3.1 Mechanical properties 4.3.3.1.1 Tension test 4.3.3.1.1.1 - Body.-Two bodies from each tubing lot, after final heat Failure of any tension test specimen to comply shall treatment or stress relief, shall be su
40、bjected to this test to determine compliance with the yield strength and elongation requirements of the appicable drawing. be cause for rejection of the lot. 4.3.3.1.1.2 Base plugs.-Two base plugs from each heat treatment or cold shaping lot shall be subjected to this test to determine compliance wi
41、th the yield strength and elongation requirements of the applicable drawing. Failure of any tension test specimen to comply shall be cause for rejection of the lot. 4.3.3.1.1.3 Adapter.-Two adapters shall be selected from each lot Failure to comply shall be cause for rejection of and subjected to th
42、is test to determine compliance with the applicable component drawing. the lot. 4.3.3.1.1.3.1 Machined from tubing.-With the approval of the procuring activity when the adapter is machined from tubing in such a manner that the mechanical properties are not altered, test coupons approximately 6 inche
43、s in length may be removed from one end of each of 3 tubes for each heat of steel and tested in lieu of testing the component. of any tension test specimen to comply with the yield strength and elongation requirements of the applicable component drawing shall be cause for rejection of the hibing lot
44、. Failure 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P- 14829 (MU) 4.3.3.1.1.4 Machined from bar stock.-With the approval of the procuring activity when base plugs or adapters are machined from bar stock in such a manner that the mechanic
45、al properties are not altered, test coupons approximately 6 inches in length may be removed from one end of each of 3 bars for each heat of steel in the lot and tested in lieu of the component. strength and elongation requirements of the applicable component drawing shall be cause for rejection of t
46、he bar stock lot. Failure of any tension test specimens to comply with yield 4.3.3.2 Brazed joint 4.3.3.2.1 Strength of brazed joint.-(Major Defect) Each body assembly shall be subject to a mechanical load test to determine compliance with requirements of the applicable drasuing. shall be cause for
47、rejection of the assembly. with drawing requirements shall be stamped with letter “P“ as indicated on the assembly drawing. Failure of any assembly to comply Body assemblies which comply 4.3.3.2.2 Quality of joint.-Two body assemblies prior to painting shall be selected from each lot and subjected t
48、o this test to determine compliance with 3.5.1. shall be cause for rejection of the lot. Failure of any segment of either joint to comply 4.3.3.3 Cleaning and application of protective coating.-The sample size and acceptance criteria for inspection of the cleaning of the item and the application of
49、protective coking shall be as specified in the applicable specification. be cause for taking the corrective action prescribed therein. Failure to comply with the requirements shall 4.3.4 Functional.-The following proving ground tests will be performed by the Government. 4.3.4.1 First article sample 4.3.4.1.1 Initial production
