ITOP 4-2-601 PDF

ICS, Doc ID, ITOP Title, Drop Tests for Munitions. Original Title. Category, IS / TS. Location. ITOP Drop Tests for Munitions, Final Report on International Test Operations Procedure. ITOP (2), Safety Testing of Field Artillery Ammunition. – ITOP , Drop Test for Munitions. – ITOP , Rough Handling Tests.

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The Army-type designator M referenced in this specification is of Army origin and does not reflect a particular design See 6.


The documents listed in this section are specified in sections 3 or 4 of this specification. This section does not include documents in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3 and 4 of this specification, whether or not they are listed.

The following specifications, standards and handbooks form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. Comments, suggestions, or questions on this document should be addressed to: Approved for public release; distribution is unlimited Downloaded from http: The following other Government documents, drawings, and publications form a part of this document to the extent specified herein.

cover.PDF Adrienne Cantler

Quality Engineering and System Assurance, U. Government Printing Office, Washington D. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract see 6. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence.

Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. When specified see 6. Key characteristics of the design of the cartridge for which product uniformity is essential to assure the required performance, safety and reliability shall be identified, and their acceptable variability limits shall be established during design verification.

Successful completion of design verification shall constitute the product baseline. Once the product baseline is established, any change of design, material or manufacturing process shall require a new design verification to establish a new product baseline.

A sample of the cartridges shall be subjected to a configuration audit of physical characteristics established by the product baseline.

Conformance inspection When specified see 6. Otherwise it shall have a case molded entirely in brown. The cartridge head shall be stamped with the following: The cartridge dimensions iitop conform to Breaching shall be accomplished by not more than two shots per hinge and one shot each for locking door knob and padlock hasp.

The design velocity baseline is the mean velocity uncorrected obtained during design verification. The average center of impact of the 5 shot groups, fired at ambient temperature, shall not exceed 2 inches from the point of aim at a target 2 meters from the muzzle of the Mossberg Model shotgun. The 4-22-601 of the extreme spread of the five shot groups used for accuracy shall not exceed 2 inches at a range of 2 meters.


The maximum mean chamber pressure of the cartridge, when conditioned at hot, cold, and ambient temperatures, shall be not greater than 13, psi ltop 6 Downloaded from http: The maximum chamber pressure for any individual cartridge shall not exceed 15, psi.

The cartridge shall function without casualty when fired from the Mossberg and Remington shotguns with a cylindrical bore see 6. There shall be no projectile or projectile fragments upon target impact that could cause injury to the operator. The cartridge projectile shall not burst nor fragment in the barrel or during the entire flight when fired.

The projectile shall be non-explosive, and shall not produce shrapnel when fired, or during trajectory. The energy imparted by a steel ball weighing 1.

After 8 hours of water immersion, the cartridge shall meet stated performance requirements for muzzle velocity and chamber pressure, and shall not misfire. The cartridge shall function safely in the service weapons after exposure to the following cleaning and lubricating chemicals: The cartridges shall show no degradation in safety or performance after exposure to the following rough handling conditions; a.

Secured cargo vibration b. Loose cargo bounce test 7 Downloaded from http: Unpackaged cartridge dropped 1. Cartridges, packaged in accordance with the packaging provisions of the contract, dropped 2. When packaged in accordance with the packaging provisions of the contract and subjected to a Cartridges shall also meet the chamber pressure requirements of paragraph 3. The cartridge shall meet all performance requirements and function after exposure to alternatively high and low temperature extremes.

The energetic material used shall be qualified by the Army Service Qualification Authority for the specified use. All energetic materials such as explosives, propellants, pyrotechnics utilized shall be compatible with all combinations of directly contacting energetic and non-energetic materials. All propellants shall be stable over a time period not less than 5 years.

The cartridge shall comply with the following minimum Hazard Classification when packaged in accordance with packaging requirements in the contract. The cartridge shall have an average reliability not less than 0. The cartridge shall be capable of being rendered safe and disposed of by EOD in all field environments. The cartridge shall be free of cracks, splits, perforations, burrs and foreign matter. The cleaning method used shall not be injurious to any parts, nor shall the parts be contaminated by any cleaning agent.

The verification requirements specified herein are classified as follows: Design verification see 4.


First 4-2-6601 inspection see 4. Conformance verification see 4. When specified in examinations and tests cited herein; critical, major, and minor characteristics are in accordance with MIL-STD When specified, a sample of the cartridge and components shall undergo design verification by examination, analysis, demonstration and tests in 4-2601 with TABLE II.


Verify by examination of objective evidence and analysis that key characteristics have been identified and variability 42-601 have been established. Verify by examination of objective evidence that the product baseline has been established and is complete.

If any item of the sample fails to comply with the design verification requirements specified in TABLE II, the sample shall be rejected, and the design shall not be verified. Mossberg – Cold itkp. Mossberg – Ambient c. Mossberg – Hot d.

Remington – Cold e. Remington itkp Ambient f. Remington – Hot Velocity a. Hot Accuracy Dispersion Chamber Pressure a. Hot Projectile Ballistic Integrity a. The design shall be rejected if the requirement is not met. One shot shall be fired at each of the four doors. When specified in the contract, a sample of the cartridge and components shall be subjected to first article verification in accordance with TABLE III.

If any assembly, component or test specimen fails to comply with any of the applicable requirements, the first article sample shall be rejected see 6. A physical configuration audit shall be performed on 55 cartridges by examination and measurement, using standard measurement equipment SME. Ambient 4 0 1 3. The first article sample shall be rejected if the requirement is not met.

Unless otherwise specified, component parts shall be homogenous and of a size convenient to be inspected, tested and accepted. The cartridge lot shall contain: Cartridge cases from one unchanged process and from one manufacturer.

Primers from one lot interfix number and one manufacturer. Propellant from no more than two lot interfix numbers and from one manufacturer 4. Certain required characteristics may have varying degrees of defects that are classified in accordance with the potential consequences of non-conformance. These defects are classified as critical, major and minor in accordance with MIL-STD, and when used are presented in tabular format. One hundred percent inspection shall be used on all Critical characteristics.

Ambient 5 0 1 3. The lot shall be rejected if the requirement is not met. Cartridge length, max Level IV 3. Rim thickness, max Level IV 3. Head diameter, max Level IV 3. Case diameter, max Level IV 3. Illegible or missing cartridge identification Level II 3. The cartridge dimensions shall be verified by standard measurement equipment or specialty gauges.

For any ballistic test except function and casualty, where the occurrence of a firing defect prevents the obtaining of a valid result for the characteristic being tested, the defect shall be observed. The particular test for which the round was fired shall not be penalized. A replacement round shall be fired for test purposes. Operating verifications shall be conducted using both: Mossberg ModelStock No20 inch barrel, cylindrical bore b. Remington Model18 inch barrel, cylindrical bore 4.