Mel-831a Fuel gauge

[Cord]

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?

 

[Zed254]

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

 

[DieselGenAC]

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.

 

[DieselGenAC]

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

 

[Guyfang]

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

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 CORPORATION

DBA FARIA MARINE INSTRUMENTS

385 NORWICH NEW LONDON TP

UNCASVILLE

CT

06382-2432

UNITED STATES

KQ	CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	1 3/5 INCHES NOMINAL
ABTB	MOUNTING HOLE DIAMETER	2 2/25 INCHES NOMINAL
ACDC	CURRENT TYPE	DC
ACYR	DC VOLTAGE RATING	28 1/2 VOLTS NOMINAL
AEJZ	DEPTH	1 7/25 INCHES NOMINAL
AGAV	END ITEM IDENTIFICATION	2355-01-539-3639
AKSF	CONTACT TYPE	THREADED STUD
ASKX	ELECTRICAL CONNECTION QUANTITY	2
ASST	POINTER TYPE	INDICATING SINGLE POINTER
AXHR	MOUNTING FACILITY TYPE AND QUANTITY	1 CLAMP AND 1 PANEL
CBBL	FEATURES PROVIDED	WATERPROOF AND BEZEL
CXCY	PART NAME ASSIGNED BY CONTROLLING AGENCY	30 OHM FUEL LEVEL GAUGE
CXQH	DIAL OUTSIDE DIAMETER	2 27/100 INCHES NOMINAL
FEAT	SPECIAL FEATURES	MOUNTING CLAMP TO BE FARIA P/N BC1019
PRPY	PROPRIETARY CHARACTERISTICS	PACS

[SIZE=+1][SIZE=-1][/SIZE][/SIZE]

 

[Zed254]

Guy: What TM are you looking in to find your info? Especially the

"CXCY

PART NAME ASSIGNED BY CONTROLLING AGENCY

30 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]

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 CORPORATION

DBA FARIA MARINE INSTRUMENTS

385 NORWICH NEW LONDON TP

UNCASVILLE

CT

06382-2432

UNITED STATES

KQ	CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	1 3/5 INCHES NOMINAL
ABTB	MOUNTING HOLE DIAMETER	2 2/25 INCHES NOMINAL
ACDC	CURRENT TYPE	DC
ACYR	DC VOLTAGE RATING	28 1/2 VOLTS NOMINAL
AEJZ	DEPTH	1 7/25 INCHES NOMINAL
AGAV	END ITEM IDENTIFICATION	2355-01-539-3639
AKSF	CONTACT TYPE	THREADED STUD
ASKX	ELECTRICAL CONNECTION QUANTITY	2
ASST	POINTER TYPE	INDICATING SINGLE POINTER
AXHR	MOUNTING FACILITY TYPE AND QUANTITY	1 CLAMP AND 1 PANEL
CBBL	FEATURES PROVIDED	WATERPROOF AND BEZEL
CXCY	PART NAME ASSIGNED BY CONTROLLING AGENCY	30 OHM FUEL LEVEL GAUGE
CXQH	DIAL OUTSIDE DIAMETER	2 27/100 INCHES NOMINAL
FEAT	SPECIAL FEATURES	MOUNTING CLAMP TO BE FARIA P/N BC1019
PRPY	PROPRIETARY CHARACTERISTICS	PACS

[SIZE=+1][SIZE=-1][/SIZE][/SIZE]

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.

 

[Guyfang]

Roger that!!

 

[Cord]

I presume the gauge has a light built into it? 12 or 24 volt?

 

[Zed254]

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]

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.

 

[uniquify]

Here's a link to the thread on lighting the gauges on an 802/803:

https://www.steelsoldiers.com/showthread.php?152783-MEP-802A-803A-gauge-lighting

Post #18 talks about the parts needed to add a socket and bulb, if not already present.