Nanuk 903 Small Case – Empty

Nanuk 903 small case with Empty interior is perfect for compact gear and equipment.
Configurations

Key specifications

Interior
7.4 × 4.9 × 3.1 in.
Exterior
9.1 × 6.8 × 3.8 in.
Lid
0.5 in.
Base
2.6 in.
Weight
1.3 lbs
Wheels
No Wheels

View all specs

Key features

Padlockable Security

Secure, Fast Latching

Stainless Steel Hardware

Crush/Impact/Shockproof

Water/Dust Sealed

View full description

Certifications

CERTIFICATIONS

ATA-300

MIL-STD-810F/G

IP6X

IPX7

ASTM D-4169

DEF STAN 81-41

Lifetime Warranty
A Lifetime Warranty refers to a guarantee that the case is fully warranted against defects in materials and craftsmanship for the life of the case to the original owner. If your case breaks, we will supply replacement parts, repair the case, or replace your case for as long as you own it. Some conditions apply, please see individual manufacturer’s warranties.
Satisfaction Guaranteed
Satisfaction Guaranteed is a promise that we ensure our customers are satisfied with the quality of the products they purchase from us and that they are free from any defects in materials or workmanship. We do our absolute best to be sure everyone gets satisfactory service and support.
Waterproof
Waterproof means that a case is completely resistant to water and will not allow water to pass through it under specific conditions. Waterproof cases are designed to remain unaffected by water exposure, even when submerged, typically for a certain depth and duration as defined by standards like the IP (Ingress Protection) rating system.

Product information

Details, specifications & reviews

Description

Nanuk 903 Hard Shell Protective Case with Empty Interior

is waterproof, crushproof and shockproof. This ultra-durable, compact case has many features including an impenetrable tough resin shell and side mounted PowerClaw latching system. An integrated lid stay prevents the lid from closing while you are accessing your equipment. The 903 case has a molded-in bezel system, an automatic pressure valve, stainless steel hardware and two padlockable hasps molded directly into case. A large, folding, soft grip handle makes transporting effortless. Grooves on the front interlock with built-in feet at the base when stacking multiple cases of the same size.

The Nanuk 903 case has been engineered and manufactured to stringent military specifications to surpass the needs of the most demanding users. These virtually indestructible, lightweight, watertight cases offer the ultimate grade of protection and performance. The 903 small case is available in a variety of colors and is offered with or without foam layered interior. The case interior is 7.4 x 4.9 x 3.1 inches and is ideal to store, protect, and transport smaller items. Meets Airline Carry-on Regulations. Backed by the Nanuk Lifetime Guarantee.

  • Interior: Empty
  • Powerclaw Latching System
  • Crushproof, Dustproof and Shockproof Case
  • Waterproof IP67 Rated
  • Impact Resistant NK-7 Resin
  • Padlockable
  • Stackable
  • Molded-in Bezel System
  • Soft Grip Handle Stay
  • Automatic Pressure Release Valve
  • Integrated Lid Stay
  • 100% Stainless Steel Hardware
  • Meets Airline Carry-on Regulations (Check with your airline carrier before traveling)
  • Lifetime Guarantee

NK903-BLK - UPC Code: 666365008749 | MPN: 903S-000BK-0A0

NK903-ORG - UPC Code: 666365008701 | MPN: 903S-000OR-0A0

NK903-SLV - UPC Code: 666365008725 | MPN: 903S-000SV-0A0

NK903-OLV - UPC Code: 666365008732 | MPN: 903S-000OL-0A0

NK903-RED - UPC Code: 666365011299 | MPN: 903S-000RD-0A0

Specs
Weight1.300000
BrandNanuk
Manufacturing ProcessInjection Molded
Interior Dimensions7.4 x 4.9 x 3.1 in.
Interior Volume0.06 cu ft
Exterior Dimensions9.1 x 6.8 x 3.8 in.
Lid Depth0.5 in.
Base Depth2.6 in.
WheelsNo
LatchesPowerclaw Latching System
HandleSoft Grip Comfort Handle
Retractable HandleNo
LockablePad-Lockable
StackableYes
Removable LidNo
Airline Carry OnYes
Airline Check InYes
CertificationsASTM D-4169 DC-18 Drop, ASTM D-4169 DC-18 Rainfall, ASTM D-4169 DC-18 Vibration, ATA-300 Cat 1, DEF STAN 81-41 / STANAG 4280, IP6X Dustproof, IPX7 Waterproof, MIL-STD-810F
IP RatingIP67 Rated
ATA RatedYes
Water ProtectionWaterproof
Max Buoyancy4 Lbs.
Minimum Temperature-20 Degrees F
Maximum Temperature140 Degrees F
Padlock Holes Diameter0.265 in.
Exterior MaterialNK-7 Resin
Body MaterialImpact Proof Lightweight NK-7 Resin
Case Shell MaterialNK-7 High Impact Polypropylene
Handle MaterialNK-7 High Impact Polypropylene, TPE
latch_materialNylon 66
Pins Material304 Stainless Steel
Gasket MaterialEPDM
Purge Valve MaterialNylon 66, Gore Membrane, Silicone Washers
Customer Return Policy for This ProductStock Case — Standard 30-Day Returns
Transporting and Shipping Options
Small Package
Small Package Service refers to cases that can ship via UPS, Fedex or USPS and would be charged a standard rate based on the weight. Cases must weigh less than 150 lbs. and meet certain dimensional requirements. Always check the carrier’s small package policy for exact limits.
Checked Baggage
Checked Baggage refers to cases that can be checked in on the airlines that are under 50 lbs. and under 62 in. overall or less would be considered standard size bags that would not incur an oversize fee. Overall dimensions of the case are determined by adding the length, width and height together. Always check your airline’s specific policy, as size and weight limits can vary by carrier and route.
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Proven in demanding programs

Trusted by teams at government and enterprise organizations

Organizations shown represent customers whose teams have purchased from Specialty Cases.

  • BAE Systems
  • Boeing
  • CACI
  • FEMA
  • Google
  • Idaho National Laboratory
  • Johns Hopkins
  • Lockheed Martin
  • Sacramento County
  • US Department of Defense
  • US Homeland Security

Buy with confidence

What to confirm before ordering

A quick fit-and-logistics check helps prevent delays and keeps your equipment protected.

Confirm usable dimensions

Compare your equipment dimensions with the listed interior dimensions, allowing space for foam, cables, and accessories.

Plan the complete packed weight

Add the case, equipment, foam, and accessories when checking handling requirements or carrier weight limits.

Match protection to transport

Review the product specifications and certifications for the shipping, travel, storage, or field conditions you expect.

Ask before a program purchase

For custom foam, repeat builds, or volume orders, confirm the configuration with our case team before placing the order.

Experience & accountability

Why organizations choose Specialty Cases

The right case is a fit and logistics decision. Our role is to help your team choose with confidence.

Protective case specialists since 1989

Decades of practical experience helping organizations protect equipment during shipping, travel, storage, and deployment.

Application-led guidance

Our team helps match case construction, dimensions, foam, hardware, and handling features to the equipment and transport method.

Custom and program support

Get help with custom foam, repeat configurations, bulk orders, and rollouts for IT, AV, industrial, government, and field teams.

A real team in Maryland

Sales and support are based in Sykesville, Maryland, so buyers can reach a knowledgeable person before or after an order.