MIL-DTL-24749B(SH)
3.4.3 Pull test. When tested as specified in 4.5.3, Type I and IV bond straps shall withstand a load of
300 pounds and be maintained within ±50 pounds for 3 minutes. Wire rope and braid shall not be pulled from lugs,
and no visually observable wire breakage shall occur.
3.4.4 Conformability and flexibility. Type I and IV bond straps shall be tested as specified in 4.5.4. Wire rope
and braid shall not be pulled from lugs and shall exhibit no visual evidence of wire breakage.
3.4.5 Electrical resistance. Bond straps shall be tested as specified in 4.5.5. The Type I strap direct current
(DC) resistance shall be not greater than 1 milliohm per 1 inch of strap length. The Type IV strap shall be not
greater than 0.5 milliohm per 1-inch length.
3.4.6 Permeability. Martensitic/magnetic properties of Type I bond straps shall be verified as specified in
4.5.6. The bond strap wire rope shall have less than 1.002 relative permeability.
3.5 Identification. Type I bond straps shall be marked with the manufacturer s Commercial and Government
Entity (CAGE) code. Type II, III, and IV bond straps shall be marked with an identifying legend consisting of the
part number (see 6.2 and 6.5) and the manufacturer s CAGE code. Marking shall be permanent by use of metal
stamp, indelible ink, or electro-etch with a minimum character height of not less than 0.08 inch.
3.6 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally
preferable, or biobased materials should be used to the maximum extent possible provided that the material meets or
exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs.
3.7 Workmanship. Every detail of manufacture shall be in accordance with the best practices for manufacture
of bond straps and bosses and the following:
a. The materials used shall be free from all defects that could adversely affect installation, appearance, or
long-term use.
b. The mounting hole of flat plate straps and lugs of wire rope strap and flat braid straps shall be free from
blistering, burrs, cracks, laps, peeling, pitting, sharp edges, slag, and other foreign material which could affect
welding or bond strap installation.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as follows:
a.
First article inspection (see 4.3).
b.
Conformance inspection (see 4.4).
4.2 Inspection conditions. Unless otherwise specified, all inspections shall be performed in accordance with
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