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Mel-831a Fuel gauge

C

Cord

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Wisconsin
Need to replace the fuel gauge yet again on my 831. Instead if using another take-out gauge, I was thinking of going after market. I know the gauge is a 2”, but does anyone know what the ohm range is?
 
Z

Zed254

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From ARMY TM 9-6115-639-23P I look for both sender and gauge: both will need the same ohm readings, so a find on either will give you good info.

2 PAOZZ PAOZZ PAOZZ 09527 GG0352 INDICATOR,LIQUID .....................1
http://www.parttarget.com/6680-00-9...52&searchoption=sku&originalsearchtext=gg0352
gives you a large list of part numbers from the various manufacturers.....and the NSN 6680-00-933-3600.

96 PAOZZ PAOZZ PAOZZ 09527 LS4082 SENDER,LEVEL,FUEL ....................1
From here.... https://fariabeede.com/site_manuals/fml-002-0001_B_Faria_Military_NSN_guide.pdf I get: 6680-01-476-9362 Level Sender DOD 98-19520 LS4082

Search the auction site for MS24544-2 and for Military Truck M151 Fuel Level Gauge Gage.

Faria resistance specifications for American units: https://fariabeede.com/site_manuals/IS0345A.pdf

Resistance specs for MS24544-2 from Eriks: https://www.eriksmilitarysurplus.com/fulegamsfa.html
 
Last edited:
D

DieselGenAC

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Lots of old military vehicles use a 0-30ohm sender (0 empty, 30 full). I believe 0-30 was an old GM spec so you should be able to find something suitable as long as people still build older GM V8 powered hotrods.
 
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DieselGenAC

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It looks like we have used that fuel gauge for decades. I found part number MS24544-2 after poking around.
 
Guyfang

Guyfang

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Zed254 said:
From ARMY TM 9-6115-639-23P I look for both sender and gauge: both will need the same ohm readings, so a find on either will give you good info.

2 PAOZZ PAOZZ PAOZZ 09527 GG0352 INDICATOR,LIQUID .....................1
http://www.parttarget.com/6680-00-9...52&searchoption=sku&originalsearchtext=gg0352
gives you a large list of part numbers from the various manufacturers.....and the NSN 6680-00-933-3600.

96 PAOZZ PAOZZ PAOZZ 09527 LS4082 SENDER,LEVEL,FUEL ....................1
From here.... https://fariabeede.com/site_manuals/fml-002-0001_B_Faria_Military_NSN_guide.pdf I get: 6680-01-476-9362 Level Sender DOD 98-19520 LS4082

Search the auction site for MS24544-2 and for Military Truck M151 Fuel Level Gauge Gage.

Faria resistance specifications for American units: https://fariabeede.com/site_manuals/IS0345A.pdf

Resistance specs for MS24544-2 from Eriks: https://www.eriksmilitarysurplus.com/fulegamsfa.html
Click to expand...
Here is a hint.

The NSN has 00 for the 5th and 6th numbers. That tells you that the meter in question has been in the military system longer then most of the SS members have been on the face of the earth. Any and all of the cancelled NSN's below will give you a comparable meter.


FSC: 6680
NIIN: 009333600
CANCELLED NIIN: 004813879 005145494 005265747 008044797 008079974 008081158 008151486 008192029 009444430 009902476 009935550 011808368 012458346
ITEM NAME: INDICATOR,LIQUID QUANTITY

The NSN 6680-00-933-3600 has also been cancelled, and replaced by 6680016427080, which is the currently listed gauge in the TM for this gen set.

Suppler is:
THOMAS G. FARIA CORPORATIONDBA FARIA MARINE INSTRUMENTS 385 NORWICH NEW LONDON TP UNCASVILLECT06382-2432UNITED STATES



KQ
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1 3/5 INCHES NOMINAL
ABTBMOUNTING HOLE DIAMETER2 2/25 INCHES NOMINAL
ACDCCURRENT TYPEDC
ACYRDC VOLTAGE RATING28 1/2 VOLTS NOMINAL
AEJZDEPTH1 7/25 INCHES NOMINAL
AGAVEND ITEM IDENTIFICATION2355-01-539-3639
AKSFCONTACT TYPETHREADED STUD
ASKXELECTRICAL CONNECTION QUANTITY2
ASSTPOINTER TYPEINDICATING SINGLE POINTER
AXHRMOUNTING FACILITY TYPE AND QUANTITY1 CLAMP AND 1 PANEL
CBBLFEATURES PROVIDEDWATERPROOF AND BEZEL
CXCYPART NAME ASSIGNED BY CONTROLLING AGENCY30 OHM FUEL LEVEL GAUGE
CXQHDIAL OUTSIDE DIAMETER2 27/100 INCHES NOMINAL
FEATSPECIAL FEATURESMOUNTING CLAMP TO BE FARIA P/N BC1019
PRPYPROPRIETARY CHARACTERISTICSPACS
[SIZE=+1][SIZE=-1][/SIZE][/SIZE]
 
Last edited:
Z

Zed254

Well-known member
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Location
S. Hampton Roads, VA
Guy: What TM are you looking in to find your info? Especially the

"CXCYPART NAME ASSIGNED BY CONTROLLING AGENCY30 OHM FUEL LEVEL GAUGE".


The only place I was able to find the ohm resistance values was at Eriksmilitarysurplus and that after Diesel's hint to look for 30 ohms
 
maccus

maccus

Super Moderator
Super Moderator
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Custer, South Dakota/Black Hills
Guyfang said:
Here is a hint.

The NSN has 00 for the 5th and 6th numbers. That tells you that the meter in question has been in the military system longer then most of the SS members have been on the face of the earth. Any and all of the cancelled NSN's below will give you a comparable meter.


FSC: 6680
NIIN: 009333600
CANCELLED NIIN: 004813879 005145494 005265747 008044797 008079974 008081158 008151486 008192029 009444430 009902476 009935550 011808368 012458346
ITEM NAME: INDICATOR,LIQUID QUANTITY

The NSN 6680-00-933-3600 has also been cancelled, and replaced by 6680016427080, which is the currently listed gauge in the TM for this gen set.

Suppler is:
THOMAS G. FARIA CORPORATIONDBA FARIA MARINE INSTRUMENTS 385 NORWICH NEW LONDON TP UNCASVILLECT06382-2432UNITED STATES



KQ
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1 3/5 INCHES NOMINAL
ABTBMOUNTING HOLE DIAMETER2 2/25 INCHES NOMINAL
ACDCCURRENT TYPEDC
ACYRDC VOLTAGE RATING28 1/2 VOLTS NOMINAL
AEJZDEPTH1 7/25 INCHES NOMINAL
AGAVEND ITEM IDENTIFICATION2355-01-539-3639
AKSFCONTACT TYPETHREADED STUD
ASKXELECTRICAL CONNECTION QUANTITY2
ASSTPOINTER TYPEINDICATING SINGLE POINTER
AXHRMOUNTING FACILITY TYPE AND QUANTITY1 CLAMP AND 1 PANEL
CBBLFEATURES PROVIDEDWATERPROOF AND BEZEL
CXCYPART NAME ASSIGNED BY CONTROLLING AGENCY30 OHM FUEL LEVEL GAUGE
CXQHDIAL OUTSIDE DIAMETER2 27/100 INCHES NOMINAL
FEATSPECIAL FEATURESMOUNTING CLAMP TO BE FARIA P/N BC1019
PRPYPROPRIETARY CHARACTERISTICSPACS
[SIZE=+1][SIZE=-1][/SIZE][/SIZE]
Click to expand...
True.... And there some of us real old troops that remember when the 4 and 5th -xx- country of origin number was not even in the NSN.
 
Z

Zed254

Well-known member
866
465
63
Location
S. Hampton Roads, VA
Some gauges have lights in them some do not. You will need to investigate the details of the particular gauge. In my experience (802 & 803) the light you need will be 24 volts like the gauges. My Faria gauges had the lights in the gauges, just not used. My Datcon gauges did not have a light. With those you need to buy a separate light and socket.
 
Guyfang

Guyfang

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But the hole for the socket will be there, if the light is not.there is a thread or two that has all this info. I don't remember the name of it, but someone will/should chime in soon.
 
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