PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13650SThermometer,self-Indicating

Winters Instruments · NSN 6685-00-447-1960 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-447-1960 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-447-1960. Primary manufacturer part number: 13650S.
Features
  • Thermometer,self-Indicating — FSC 6685
  • Material: GLASS BULB
  • Securing Device Type: RINGRING
  • Scale Type: ETCHED STEMETCHED STEM
  • Style Designator: ARMOR CASE
  • Scale Smallest Increment: 5.0 DEG FAHRENHEIT5.0 DEG FAHRENHEIT
  • Armor Encased Tip Type: MERCURY FILLEDMERCURY FILLED
  • Scale Inscription/background Color: BLACK MARKING ON WHITE BACKGROUNDBLACK MARKING ON WHITE BACKGROUND
Applications
  • Applications requiring Glass Bulb construction
General Description

The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-447-1960, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Winters Instruments. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN6685-00-447-1960
Primary Part Number13650S
Item NameThermometer,self-Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerWinters Instruments
StatusCANCELLED
MaterialGLASS BULB
Securing Device TypeRINGRING
Scale TypeETCHED STEMETCHED STEM
Style DesignatorARMOR CASE
Scale Smallest Increment5.0 DEG FAHRENHEIT5.0 DEG FAHRENHEIT
Armor Encased Tip TypeMERCURY FILLEDMERCURY FILLED
Scale Inscription/background ColorBLACK MARKING ON WHITE BACKGROUNDBLACK MARKING ON WHITE BACKGROUND
Actuating MediumMERCURYMERCURY
Design TypeFLUCTUATINGFLUCTUATING
Scale Measurement Range+50.000 TO 450.000 DEG FAHRENHEIT+50.000 TO 450.000 DEG FAHRENHEIT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3455-00-021-2412 INTERCHANGEABLE
File,rotary
2540-00-040-21298329899 INTERCHANGEABLE
Wedge,door Dovetail
U S Army Tank Automotive Command Amsta-Im-Mm
5365-00-064-4381 INTERCHANGEABLE
Spacer,sleeve
3010-00-088-4620 INTERCHANGEABLE
Gear Assembly,speed Decreaser
5940-00-111-3184A79 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
3110-00-156-5309A7 INTERCHANGEABLE
Bearing,ball,annular
Nsk Uk Ltd
5999-00-177-1791107001 INTERCHANGEABLE
Clip,electrical
Littelfuse, Inc.
5920-00-228-7919 INTERCHANGEABLE
Fuse,cartridge
5315-00-246-4680H93 INTERCHANGEABLE
Pin,straight,headless
Viking Pump, Inc
4730-00-317-395613652 INTERCHANGEABLE
Elbow,tube,crank Ca
Brinkley Technology Group Llc Dba Hercules Manufacturing
Cross-Reference Index
Part NumberManufacturer
USG7-239 Vic Mfg Co (USA)
13650S PRIMARY Winters Instruments (CAN)
13652 PRIMARY Winters Instruments (CAN)
21560 Tycos Instruments Inc a Welch Allyn Co (USA)
A7 Rivinius Inc Littleford Machinery Div (USA)
107001 Aqua-Chem Inc Cleaver-Brooks Div (USA)
107001 PRIMARY Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
H93 Ed Etnyre & Co (USA)
Related Parts
3455-00-021-2412INTERCHANGEABLE
FILE,ROTARY
2540-00-040-2129INTERCHANGEABLE
WEDGE,DOOR DOVETAIL
8329899
5365-00-064-4381INTERCHANGEABLE
SPACER,SLEEVE
3010-00-088-4620INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
5940-00-111-3184INTERCHANGEABLE
TERMINAL,LUG
A79
3110-00-156-5309INTERCHANGEABLE
BEARING,BALL,ANNULAR
A7
5999-00-177-1791INTERCHANGEABLE
CLIP,ELECTRICAL
107001
5920-00-228-7919INTERCHANGEABLE
FUSE,CARTRIDGE
5315-00-246-4680INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
H93
4730-00-317-3956INTERCHANGEABLE
ELBOW,TUBE,CRANK CA
13652
3010-00-462-6413INTERCHANGEABLE
BELLOWS,PRESSURE
21560
3610-00-492-3368INTERCHANGEABLE
ARM,OVERLOAD

Frequently Asked Questions

What is NSN 6685-00-447-1960?

NSN 6685-00-447-1960 is a Thermometer,self-Indicating, manufactured by Winters Instruments, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-447-1960?

NSN 6685-00-447-1960 has 8 cross-referenced part numbers: USG7-239 (Vic Mfg Co), 13650S (Winters Instruments), 13652 (Winters Instruments), 21560 (Tycos Instruments Inc a Welch Allyn Co), A7 (Rivinius Inc Littleford Machinery Div) and 3 more.

What NSN replaces 6685-00-447-1960?

There are 12 known substitutes for 6685-00-447-1960: 3455-00-021-2412, 2540-00-040-2129, 5365-00-064-4381 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13650S?

Key specifications for 13650S: Material: GLASS BULB; Securing Device Type: RINGRING; Overall Length: 10.500 INCHES NOMINAL10.500 INCHES NOMINAL IN; Scale Type: ETCHED STEMETCHED STEM. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-447-1960 still in active supply?

NSN 6685-00-447-1960 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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