Mil-Spec Weather Resistant Packaging
V3c Boxes Built to ASTM D5118 Spec
Weather-resistant 350# test corrugated boxes for government, military and defense shipments. Stock sizes plus custom sizes, with compliance paperwork available.
- 350# test board conforming to ASTM D4727
- Meets WRA and MPA water resistance standards
- Stock sizes plus custom sizes on request
Compliance certification documentation available for V3c orders.
Prefer to talk? Call (888) 333-9513 Ext 2
Request V3c Box Pricing
Tell us your sizes and quantity. We will send pricing and confirm the spec you need.
Why buyers choose our V3c boxes
Meets the spec on paper
V3c boxes are made to ASTM D5118 with board conforming to ASTM D4727, so your packaging matches the contract callout.
Holds up in wet conditions
Chemically treated weather-resistant board meets WRA and MPA standards. Good for high humidity and ocean transport.
350# bursting strength
Single wall 350 PSI test corrugated protects heavy and sensitive equipment in transit.
Stock and custom sizes
Standard sizes run from small cartons like 6x6x10 up to 51x18x23. Need something else? We make custom sizes.
Compliance documents on request
Compliance certification is available as a separate item so you can close out your paperwork.
Mil-spec range under one roof
We also stock W5c weather-resistant boxes, V11c trimmed sheets and Fast Pack military boxes with NSN numbers.
V3c box specifications
V3c is a weather-resistant, government spec corrugated container. The board is 350# test fiberboard conforming to ASTM-D4727, and the finished box is built to ASTM D5118. It meets WRA and MPA water resistance requirements, which makes it a common pick for military, defense and aerospace shipments that see humidity, outdoor staging or ocean transport.
Boxes are sold in bundle quantities. If a stock size does not fit your item, we make custom V3c sizes, with lead time on custom work usually 10 to 14 days.
- Material: 350# test corrugated fiberboard, conforms to ASTM-D4727
- Box standard: ASTM D5118 government and military spec
- Water resistance: meets WRA and MPA requirements
- Chemically treated weather-resistant board for humid and ocean transport
- Standard sizes from about 6x6x10 up to 51x18x23
- Custom V3c sizes made to your dimensions
- Sold in bundle quantities, with volume pricing on request
- Custom lead time is usually 10 to 14 days
- Related mil-spec items: W5c 275 PSI boxes, V11c trimmed sheets, Fast Pack boxes
How to get your V3c boxes
Send your details
Give us your sizes, quantity and the spec your contract calls for. Not sure? Tell us what you are shipping.
We confirm the spec and price
We match you to a stock V3c size or quote a custom size, and note any compliance paperwork you need.
You approve and we ship
Approve the quote and we produce and ship your order from our US shipping points.
Frequently asked questions
What makes a box V3c?
V3c is a government spec weather-resistant corrugated container. Our V3c boxes use 350# test fiberboard conforming to ASTM-D4727 and are built to ASTM D5118, and they meet WRA and MPA water resistance standards.
Can I get V3c boxes in a custom size?
Yes. We make custom V3c sizes to your dimensions. Lead time for custom work is usually 10 to 14 days.
How is pricing set?
Price depends on size, board spec and quantity. V3c boxes are sold in bundle quantities, and volume or custom pricing is available on request. Send your sizes and quantity for a quote.
Can you supply compliance documentation?
Yes. Compliance certification is available as a separate purchasable item, and certification and compliance documentation can be provided for your order.
What is the difference between V3c and W5c?
V3c is rated at 350 PSI bursting strength with weather-resistant chemical treatment for severe conditions. W5c is a lighter weather-resistant spec box at 275 PSI, built for interior or domestic military packaging. We supply both, including custom W5c sizes.
Where do you ship?
We sell and ship across the United States from multiple US shipping points. We do not sell outside the USA.
Get pricing on V3c boxes
Send your sizes, quantity and spec. We will confirm the right V3c box and send you a quote. You can also call (888) 333-9513 Ext 2.
- 350# test board conforming to ASTM D4727
- Meets WRA and MPA water resistance standards
- Stock sizes plus custom sizes on request
Prefer to talk? Call (888) 333-9513 Ext 2