NSN 6685-01-174-8418 · NIIN 011748418 · Part number 937-07521-000
Aqua-Chem, Inc. Dba Aqua-Chem Inc · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 0EXU3
Government record, cited
NSN 6685-01-174-8418 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-174-8418. Manufacturer of record part number: 937-07521-000.
Also searched as6685-01-174-8418 ·
6685011748418 ·
NIIN 011748418 ·
01-174-8418 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 0EXU3 · 937-07521-000 · 649-7598-13
Manufacturer of record: Aqua-Chem, Inc. Dba Aqua-Chem Inc
Identification
NSN: 6685-01-174-8418
NIIN: 011748418
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 937-07521-000
Manufacturer: Aqua-Chem, Inc. Dba Aqua-Chem Inc
General Description
The Thermowell, cataloged under National Stock Number 6685-01-174-8418, 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 Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
6685-01-174-8418
Primary Part Number
937-07521-000
Item Name
Thermowell
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Aqua-Chem, Inc. Dba Aqua-Chem Inc
Status
ACTIVE
External Thread Size
3/4 IN. NPT IN
Material
COPPER ALLOY
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 6685-01-174-8418?
NSN 6685-01-174-8418 is a Thermowell, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-174-8418?
NSN 6685-01-174-8418 has 1 manufacturer part number on file: 937-07521-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
What are the specifications of 937-07521-000?
Key specifications for 937-07521-000: External Thread Size: 3/4 IN. NPT IN; Material: COPPER ALLOY. 2 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-174-8418 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.