PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M1A2Thermometer,self-Indicating,bime

Gas Equipment Engineering Corporation, the Dba Geeco · NSN 6685-00-844-8709 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-844-8709 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-844-8709. Primary manufacturer part number: M1A2.
Features
  • Thermometer,self-Indicating,bime — FSC 6685
  • Features Provided: PROTECTIVE GLASS/PLASTIC
  • Scale Measurement Range: +0.000 TO 200.000 DEG FAHRENHEIT
  • Material: STEEL CORROSION RESISTING METER CASE
  • Scale Smallest Increment: 2.0 DEG FAHRENHEIT
  • Scale Accuracy Rating: 1 PCT
  • Design Type: FLUCTUATING
  • Stem Length: 6.000 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Corrosion Resisting Meter Case construction
General Description

The Thermometer,self-Indicating,bime, cataloged under National Stock Number 6685-00-844-8709, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Gas Equipment Engineering Corporation, the Dba Geeco. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-844-8709
Primary Part NumberM1A2
Item NameThermometer,self-Indicating,bime
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerGas Equipment Engineering Corporation, the Dba Geeco
StatusCANCELLED
Features ProvidedPROTECTIVE GLASS/PLASTIC
Scale Measurement Range+0.000 TO 200.000 DEG FAHRENHEIT
MaterialSTEEL CORROSION RESISTING METER CASE
Scale Smallest Increment2.0 DEG FAHRENHEIT
Scale Accuracy Rating1 PCT
Design TypeFLUCTUATING
Stem Length6.000 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 METAL CASE FIXED
Scale TypeCONCENTRIC DIAL
Scale Inscription/background ColorBLACK MARKING ON WHITE BACKGROUND
Mounting Thread Quantity14 PER INCH
Scale Adjustment VariationADJUSTABLE OVER ENTIRE RANGE
Dial Diameter3.000 INCHES NOMINAL IN
Mounting Facility Nominal Screw Thread Diameter0.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-244-3180 INTERCHANGEABLE
Probe,test
6685-00-384-034030-EI-60-R-025-0/200F INTERCHANGEABLE
Thermometer,self-Indicating,bime
Ashcroft Inc Dba Heise
5340-00-563-22311748 INTERCHANGEABLE
Latch Assy
Adams Rite Aerospace, Inc
6685-00-813-55264-447-99-0200 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Air Products & Chemicals, Inc
6685-00-865-743130-EI-60R-040-50/550 DEG F INTERCHANGEABLE
Thermometer,self-Indicating,bime
Ashcroft Inc Dba Heise
1377-00-891-5488 INTERCHANGEABLE
Thruster,cartridge Actuated
5815-00-916-86896002-529 INTERCHANGEABLE
Backup
Raytheon Company Div Rmd Strategic
6240-00-989-4398 INTERCHANGEABLE
Lamp,incandescent
5915-01-023-893043030020-002 INTERCHANGEABLE
Filter,band Pass
Dne Technologies, Inc
6505-01-253-19011748 INTERCHANGEABLE
Glipizide Tablets
Roerig Div Pfizer Inc
Cross-Reference Index
Part NumberManufacturer
30-6360AHT Ashcroft Inc Dba Heise (USA)
2211-0013002 Solartron Electronics Inc Weston Instruments Div (USA)
1748 Rochester Sensors, Llc (USA)
4300-0020002 Solartron Electronics Inc Weston Instruments Div (USA)
M1A2 PRIMARY Gas Equipment Engineering Corporation, the Dba Geeco (USA)
4303-0020002 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
6625-00-244-3180INTERCHANGEABLE
PROBE,TEST
6685-00-384-0340INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
30-EI-60-R-025-0/200F
5340-00-563-2231INTERCHANGEABLE
LATCH ASSY
1748
6685-00-813-5526INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
4-447-99-0200
6685-00-865-7431INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
30-EI-60R-040-50/550 DEG F
1377-00-891-5488INTERCHANGEABLE
THRUSTER,CARTRIDGE ACTUATED
5815-00-916-8689INTERCHANGEABLE
BACKUP
6002-529
6240-00-989-4398INTERCHANGEABLE
LAMP,INCANDESCENT
5915-01-023-8930INTERCHANGEABLE
FILTER,BAND PASS
43030020-002
6505-01-253-1901INTERCHANGEABLE
GLIPIZIDE TABLETS
1748
6680-01-290-4028INTERCHANGEABLE
FLOAT,METER
5895-01-385-2186INTERCHANGEABLE
FILTER,LIGHT,CATHODE RAY TUBE
1748

Frequently Asked Questions

What is NSN 6685-00-844-8709?

NSN 6685-00-844-8709 is a Thermometer,self-Indicating,bime, manufactured by Gas Equipment Engineering Corporation, the Dba Geeco, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-844-8709?

NSN 6685-00-844-8709 has 6 cross-referenced part numbers: 30-6360AHT (Ashcroft Inc Dba Heise), 2211-0013002 (Solartron Electronics Inc Weston Instruments Div), 1748 (Rochester Sensors, Llc), 4300-0020002 (Solartron Electronics Inc Weston Instruments Div), M1A2 (Gas Equipment Engineering Corporation, the Dba Geeco) and 1 more.

What NSN replaces 6685-00-844-8709?

There are 12 known substitutes for 6685-00-844-8709: 6625-00-244-3180, 6685-00-384-0340, 5340-00-563-2231 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M1A2?

Key specifications for M1A2: Features Provided: PROTECTIVE GLASS/PLASTIC; Scale Measurement Range: +0.000 TO 200.000 DEG FAHRENHEIT; Material: STEEL CORROSION RESISTING METER CASE; Scale Smallest Increment: 2.0 DEG FAHRENHEIT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-844-8709 still in active supply?

NSN 6685-00-844-8709 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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