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Articles
NEWS | Oct. 14, 2022

M900-Series Fuel Tankers: Looking for an Engine Access Door?

BLUF: There are two (2) different Lombardini engine access door NSNs, so be sure to check your specific M900-series fuel tanker model before you order one.

M969A2 Tanker Trailer
Photo by Sgt. James Geelen

Maintainers, there are two (2) different Lombardini engine access door NSNs for M900-series fuel tankers. You’ll want to make sure that you verify the M900-series fuel tanker model, and then use the correct engine access door NSN for that model.
 
Guidance for M967A1, M969A1 and M969A2 Fuel Tankers

Quickly ID these models by the exhaust ports ​on and above fuel tanker engine access door
Quickly ID these models by the exhaust ports
on and above fuel tanker engine access door

For M967A1, M969A1 and M969A2 fuel tankers, the engine access door isn’t shown or listed in TM 9-2330-339-23P (Dec 15).                 
        
You can get an engine access door assembly with NSN 5342-01-500-8950 for about $736. The assembly comes with all the parts already installed on the door, including the seal, as shown below:
 
Engine access door assembly
Engine access door assembly
 
Guidance for M967A2 and M969A3 Fuel Tankers

Guidance for M967A2 and M969A3 Fuel Tankers
Quickly ID these models by the exhaust port above engine access door

For M967A2 and M969A3 fuel tankers, get an engine access door using NSN 4350-01-504-6391 for about $878.
        
Note that this NSN brings only the engine access door and not an assembly, so you may need to order other parts, like the seal. Be sure to refer to TM 9-2330-339-23P (Dec 15).

Here are additional NSNs for engine access door parts:
 
Parts not included with engine access door, NSN 5340-01-504-6391
Parts not included with engine access door, NSN 5340-01-504-6391
 
Parts not included with engine access door, NSN 5340-01-504-6391
Nomenclature NSN
Engine access door 5340-01-504-6391
Hinge, butt 5340-01-504-6388
Mounting, bracket 5340-01-588-0743
Seal 5330-01-540-9229
Rivet 5320-01-515-2574
Quick release pin 5315-01-588-4299
Wire rope 4010-01-543-0823
Machine screw 5305-01-588-4606
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