SD-15 Guide For Performance SpecificationsThis document provides guidance information on performance specifications focusing primarily on stating requirements in performance terms and ensuring that sufficient verification means are included in the specification to evaluate conformance. While the focus of this document is on defense specifications developed under DoD 4120.24-M, Defense Standardization Program DSP Policies and Procedures, the principles and techniques can also be applied to program unique performance specifications, performance-based purchase descriptions, commercial item descriptions, or any other type of procurement specification. This guide is intended to supplement the format and content requirements for writing performance specifications found in MIL-STD-961, Defense and Program-Unique Specifications Format and Content.

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Performance Specification Guide SD-15

4.6.1.2 Extreme cold. The Tactical Sling shall be attached to a M16 series rifle and shall be conditioned to a temperature of -55° F in accordance with MIL-STD-810 for 3 hours. 210 rounds shall be fired from the M16 series rifle. Firing shall take place no greater than 6 minutes

from temperature chamber removal. If the time before firing is exceeded, the Tactical Sling with the M16 shall be reconditioned at the extreme low temperature for an additional 30 minutes before firing. The Tactical Sling shall be inspected for signs of degradation or flaws during and after firing.

4.6.2 Salt spray. The Tactical Sling shall be exposed to a 5 percent salt solution for 48 hours in accordance with ASTM B117. After exposure, the Tactical Sling shall be inspected for signs of degradation.

4.6.3 Chemical compatibility testing. Six Tactical Slings shall be used for this test. The Tactical Sling shall be sprayed or brushed with each liquid with a spray bottle or paint brush respectively. After exposure for one hour to each liquid, the Tactical Slings shall be inspected for any signs of degradation.

4.7 Support and ownership verifications.

4.7.1 Attachment. The Tactical Sling shall be tested to ensure it can attach to the front swivel and buttstock attachment points.

4.7.2 Color. The Tactical Sling shall be visually inspected to ensure it is a dull non- reflective color.

4.7.3 Endurance. The Tactical Sling shall be mounted to a M16-series rifle and be tested to ensure it does not melt, deform or become unserviceable after firing a total of 1260 rounds.

4.7.4 Workmanship. The Tactical Sling shall be visually inspected to ensure the workmanship.

5.0 PACKAGING. For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in- house contractor personnel, these personnel need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements are maintained by the Inventory Control Point's packaging activity within the Military Service of Defense Agency, or within the military service's system commands. Packaging data retrieval is available from the managing Military Department's or Defense Agency's automated packaging files, CD-ROM products, or by contacting the responsible packaging activity.

6.0 NOTES.

(This section contains information of a general or explanatory nature that may be helpful but is not mandatory.)