NSN 6685-01-644-3491 · NIIN 016443491 · Part number AN 1C01173010
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 7JYX1
Government record, cited
NSN 6685-01-644-3491 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-644-3491. Manufacturer of record part number: AN 1C01173010.
Also searched as6685-01-644-3491 ·
6685016443491 ·
NIIN 016443491 ·
01-644-3491 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 7JYX1 · AN 1C01173010
Manufacturer of record: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Identification
NSN: 6685-01-644-3491
NIIN: 016443491
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: AN 1C01173010
Manufacturer: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
General Description
The Control,temperature,indicating, cataloged under National Stock Number 6685-01-644-3491, 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 Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name
Control,temperature,indicating
FSC / FSG
6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66)
Manufacturers
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (CAGE 7JYX1)
Technical Specifications
Parameter
Value
NSN
6685-01-644-3491
Primary Part Number
AN 1C01173010
Item Name
Control,temperature,indicating
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (USA)
Reference documents
Reference
Meaning
AN 1C01173010
3/9Design control — primary reference
Hdt Expeditionary Systems, 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 6685-01-644-3491?
NSN 6685-01-644-3491 is a Control,temperature,indicating, manufactured by Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-644-3491?
NSN 6685-01-644-3491 has 1 manufacturer part number on file: AN 1C01173010 (Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc).
Is NSN 6685-01-644-3491 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.