Engineering and Expeditionary Warfare Center

ILD Performance Testing

 

ILD TEST PARAMETERS, PERFORMANCE REQUIREMENTS
AND VERIFICATION STANDARDS TABLE

 

First generation ILD systems have undergone a battery of tests and evaluation to obtain DOD approval for use to secure igloo and magazine doors.  This includes environmental, unauthorized entry, operational, wear resistance, and quality assurance testing (see table below).  A 10,000 test cycle of operation indicates a life span of opening the lock 2 - 3 times a day, every day, for 10 years.

The second generation (GEN II) ILD has design improvements on the first generation and uses better materials.  It has been in field use at several sites for almost 3 years with no operational problems.

 
TEST PARAMETERS REQUIREMENTS TEST STANDARDS
ENVIRONMENTAL
High Temperature Operates effectively at 160° F MIL-STD-810E Method 501.3
Low Temperature Operates effectively at -60° F MIL-STD-810E Method 502.3
Salt Fog Environment Operates effectively in corrosive, moist environment MIL-STD-810E Method 509.3
ASTM G-85 (Ref 8)
ASTM G 112-92 (Ref 9)
Sand and Dust Operates effectively on a simulated door panel after exposure to driven sand and dust MIL-STD-810E Method 510.3
Vibration Operates effectively after exposure to prescribed vibration MIL-STD-810E Method 514.4
ASTM D 3580 (Ref 10)
Icing/Freezing Rain Operates effectively on a simulated door panel under icy conditions and after thawing MIL-STD-810E Method 521.1
UNAUTHORIZED ENTRY
Surreptitious Neutralization Resistance Resists 15 minutes of surreptitious neutralization attempts by picking, shimming, impressioning, and bypassing methods MIL-P-43607G
Forced Entry Simulated magazine door with ILD resists forced entry for 10 minutes using medium threat including unlimited hand and battery-powered tools; limited thermal tools DOD 5100.76-M (Ref 11) Section 3.0
NCEL OR# 098-09-88
Pull Test Simulated door resists being pulled open with a 12,000-lb force MIL-P-43607G
Operational Operates effectively without a design failure for the duration of the test (problems due to ILD operator, installation, or manufacture errors will be corrected and the test resumed) TM 56-90-04
WEAR RESISTANCE
Cycle Fatigue Operates effectively after 10,000 cycles MIL-P-43607G
MANUFACTURING QUALITY CONTROL
Surface Abrasion Meets material specification requirements as described in MIL-A-8625E and NFESC procurement contracts for ILD production units FED-STD-141C, Method 6192.1 (Ref 12)
Coating Thickness Meets material specification requirements as described in MIL-A-8625E ASTM B244 (Ref 13)
 

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