NSN 6685-01-666-8791 · NIIN 016668791 · Part number HH314A
Omega Engineering, Inc. · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 29907
Government record, cited
NSN 6685-01-666-8791 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-666-8791. Manufacturer of record part number: HH314A.
Also searched as6685-01-666-8791 ·
6685016668791 ·
NIIN 016668791 ·
01-666-8791 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 29907 · HH314A
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: HH314A
Manufacturer: Omega Engineering, Inc.
General Description
The Thermometer-Hygrometer, cataloged under National Stock Number 6685-01-666-8791, 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 Omega Engineering, Inc.. Government technical data includes 4 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6685-01-666-8791
Primary Part Number
HH314A
Item Name
Thermometer-Hygrometer
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Omega Engineering, Inc.
Status
ACTIVE
Measurement Type
DIGITAL
Style Designator
PORTABLE
Operating Temp Range
+0.0 TO 50.0 CELSIUS DEGC
Measurement Range
-20.0 TO 60.0 DEG CELSIUS
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 6685-01-666-8791?
NSN 6685-01-666-8791 is a Thermometer-Hygrometer, manufactured by Omega Engineering, Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-666-8791?
NSN 6685-01-666-8791 has 1 manufacturer part number on file: HH314A (Omega Engineering, Inc.).
What are the specifications of HH314A?
Key specifications for HH314A: Overall Height: 7.3 INCHES NOMINAL IN; Measurement Type: DIGITAL; Style Designator: PORTABLE; Overall Width: 2.5 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-666-8791 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.