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Page Title:
Table III. Trailer body specifications. - Continued |
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|  MIL-C-52437C
TABLE III. Trailer body specifications. (Cont'd)
VMRS No.
Feature/Requirements
VMRS 71-009 (Cont'd)
- Max. 20 flame spread.
- Max. 0 fuel development.
- Max. 200 smoke development.
- Less toxic than Red Oak.
All panel joints and edges sealed to prevent
entry of moisture into the insulation using
silicone RTV sealant.
Insulation.
VMRS 71-019
As specified, insulate body with closed cell,
rigid form, such as isocyanurate,
polybenzimidizole, or polyurethane foam. Fill
and bond space, without voids, between
exterior and interior panels. Nominal
thicknesses min. 4-in. roof, min. 3-in. sides and
front, and min. 2.7-in. under floor.
Insulation shall be rated class A material and
shall have a maximum flame spread index of
25 in accordance with ASTM E-84.
Foam to adhere to body surfaces with an
adhesive force greater than the cohesive
strength of the insulation.
After foam-in-place, max. 5/8-in. of bow and
warp of exterior and interior panels when
measured with a min. 4-ft. long metal straight
edge.
3.14 Chassis components. When and as specified by the contracting activity (see 6.2, T-13),
furnish chassis components with the trailer as required to assist equipment operation, including:
- Tool boxes.
- Folding catwalks and handrails.
- Weather enclosures.
- Power sources, water, fuel, etc.
- Shelving.
- Blackout lighting kit per Army Guide
3.15 Military vehicle electrical system. When specified (see 6.2, T-14), the trailer shall be
additionally equipped with a military compatible, 24-volt service lighting system to provide
towing capability for the military design trucks as well as commercial trucks. In addition to the
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