Product Details | BIMETALLIC SELF-INDICATING THERMOMETER

6685-01-228-5332 A thermometer which has a bimetallic substance, whose measurable physical properties, or one of them, change with variation in temperature and self-indicate the temperature to a division or number on a graduated scale(s).

Part Alternates: E318A4R3, 5868776, 6685-01-228-5332, 01-228-5332, 6685012285332, 012285332

Instruments and Laboratory Equipment | Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Supply Group (FSG) NSN Assign. NIIN
66 18 MAR 1986 01-228-5332

Demand History | NSN 6685-01-228-5332

Part Number Request Date QTY Origin
5868776 2025-09-246 22 DIBBS
E318A4R3 2025-09-246 22 DIBBS
5868776 2025-04-100 28 DIBBS
E318A4R3 2025-04-100 28 DIBBS
5868776 2024-05-137 26 DIBBS
E318A4R3 2024-05-137 26 DIBBS
5868776 2023-03-82 5 DIBBS
E318A4R3 2023-03-82 5 DIBBS
5868776 2023-02-46 29 DIBBS
E318A4R3 2023-02-46 29 DIBBS
5868776 2023-01-31 29 DIBBS
E318A4R3 2023-01-31 29 DIBBS
5868776 2022-07-209 11 DIBBS
E318A4R3 2022-07-209 11 DIBBS
5868776 2022-04-111 16 DIBBS
E318A4R3 2022-04-111 16 DIBBS
5868776 2022-02-32 17 DIBBS
E318A4R3 2022-02-32 17 DIBBS
E318A4R3 2021-09-270 1 US
6685-01-228-5332 2020-12-365 20 US
5868776 2020-09-261 3 DIBBS
E318A4R3 2020-09-261 3 DIBBS
5868776 2020-09-246 11 DIBBS
E318A4R3 2020-09-246 11 DIBBS
5868776 2020-07-209 2 DIBBS
E318A4R3 2020-07-209 2 DIBBS
5868776 2020-07-196 1 DIBBS
E318A4R3 2020-07-196 1 DIBBS
5868776 2020-03-63 6 DIBBS
5868776 2020-02-33 6 DIBBS
5868776 2019-08-230 1 DIBBS
5868776 2019-02-44 12 DIBBS
6685-01-228-5332 2018-10-284 2 DIBBS

Cross Reference | NSN 6685-01-228-5332

Part Number Cage Code Manufacturer
5868776 44114 BAE SYSTEMS LAND & ARMAMENTS L.P.
5868776 53711 NAVAL SEA SYSTEMS COMMAND
E318A4R3 64467 WEKSLER GLASS THERMOMETER CORP

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Technical Data | NSN 6685-01-228-5332

Characteristic Specifications
OVERALL LENGTH 6.969 INCHES NOMINAL
SPECIFICATION/STANDARD DATA 53711-5868776 MANUFACTURERS SPECIFICATION CONTROL
DESIGN TYPE MINIMUM AND MAXIMUM
MOUNTING THREAD QUANTITY 28 PER INCH
SCALE ACCURACY RATING PORM 2.2 PCT FULL RANGE
RELATIONSHIP TO SIMILAR EQUIPMENT SIMILAR TO NSN 6685-00-042-3218 EXCEPT TEMP INDICATOR
STYLE DESIGNATOR STRAIGHT FORM, HORIZONTAL DIAL
SCALE MEASUREMENT RANGE -40.000/+180.000 DEG FAHRENHEIT
STEM LENGTH 5.094 INCHES MINIMUM AND 5.156 INCHES MAXIMUM
MATERIAL STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 347 OVERALL
MOUNTING FACILITY TYPE AND QUANTITY 1 THREADED STEM
FUNCTIONAL DESCRIPTION TWO POINTER TEMP INDICATOR W/ MAX/MIN TYPE RESET U/O GMLS MK13
SCALE CALIBRATION 2.0 DEG F BETWEEN GRADUATIONS
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR UNS
FEATURES PROVIDED GASKET AND PROTECTIVE GLASS/PLASTIC AND RESET BUTTON
SCALE TYPE CONCENTRIC DIAL
TYPE/MODEL DESIGNATION ITM318A4
MOUNTING FACILITY NOMINAL SCREW THREAD DIAMETER 0.750 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A286 ASSN STD ALL MATERIAL RESPONSES OVERALL
DIAL DIAMETER 3.000 INCHES NOMINAL
IMMERSION LENGTH 4.000 INCHES MAXIMUM
REFERENCE DATA AND LITERATURE MIL-I-17244 DESIGN ITM
SCALE INSCRIPTION/BACKGROUND COLOR BLACK MARKINGS ON WHITE BACKGROUND
SCALE ADJUSTMENT VARIATION ZERO RESET

Restrictions/Controls & Freight Information | NSN 6685-01-228-5332

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information