NSN 6685-01-503-1676 · NIIN 015031676 · Part number 309-112124-120
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 65586
Government record, cited
NSN 6685-01-503-1676 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-503-1676. Manufacturer of record part number: 309-112124-120.
Also searched as6685-01-503-1676 ·
6685015031676 ·
NIIN 015031676 ·
01-503-1676 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 65586 · 309-112124-120 · 155-073098-005 ITEM 84
Manufacturer of record: Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
Identification
NSN: 6685-01-503-1676
NIIN: 015031676
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 309-112124-120
Manufacturer: Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
General Description
The Thermocouple,heating Element, cataloged under National Stock Number 6685-01-503-1676, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6685-01-503-1676
Primary Part Number
309-112124-120
Item Name
Thermocouple,heating Element
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
Status
ACTIVE
Mounting Location
INSIDE METER CASE
Material
STEEL CORROSION RESISTING OVERALL
Terminal Type and Quantity
2 WIRE LEAD
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Reference documents
Reference
Meaning
155-073098-005 ITEM 84
D/9Drawing number reference only
Chromalox Inc
No interchangeability data on file.
Other items in FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6685-00-001-1475
6685-00-001-1475 · Item name not on file
6685-00-001-1503
CONTROL,TOTALIZER
6685-00-001-1643
6685-00-001-1643 · Item name not on file
6685-00-001-1711
GAGE,PRESSURE,DIAL INDICATING
6685-00-001-2099
6685-00-001-2099 · Item name not on file
6685-00-001-2100
6685-00-001-2100 · Item name not on file
6685-00-001-2101
6685-00-001-2101 · Item name not on file
6685-00-001-2102
6685-00-001-2102 · Item name not on file
Frequently Asked Questions
What is NSN 6685-01-503-1676?
NSN 6685-01-503-1676 is a Thermocouple,heating Element, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-503-1676?
NSN 6685-01-503-1676 has 1 manufacturer part number on file: 309-112124-120 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
What are the specifications of 309-112124-120?
Key specifications for 309-112124-120: Mounting Location: INSIDE METER CASE; End Item Identification: HEATER, IMS; Material: STEEL CORROSION RESISTING OVERALL; Terminal Type and Quantity: 2 WIRE LEAD. 3 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-503-1676 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.