NSN 6680-01-347-7944 · NIIN 013477944 · Part number DN40863
Ontic Engineering & Manufacturing, Inc Dba Ontic Us · FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 45934
Government record, cited
NSN 6680-01-347-7944 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-347-7944. Manufacturer of record part number: DN40863.
Also searched as6680-01-347-7944 ·
6680013477944 ·
NIIN 013477944 ·
01-347-7944 ·
FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · CAGE 45934 · DN40863 · 209-375-102-101
Manufacturer of record: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Identification
NSN: 6680-01-347-7944
NIIN: 013477944
FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: DN40863
Manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
General Description
The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-01-347-7944, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
6680-01-347-7944
Primary Part Number
DN40863
Item Name
Indicator,electrical Tachometer
FSC / FSG
6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
Manufacturer
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
Reference documents
Reference
Meaning
209-375-102-101
1/2Source control — Government-approved source
U.S. Government activity
No interchangeability data on file.
Other items in FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6680-00-000-0189
TRANSMITTER,LIQUID QUANTITY
6680-00-001-1478
GAGE ROD-CAP,LIQUID LEVEL
6680-00-001-1502
6680-00-001-1502 · Item name not on file
6680-00-001-1506
6680-00-001-1506 · Item name not on file
6680-00-001-1511
GAGE ROD,LIQUID LEVEL
6680-00-001-3672
COUNTER,ROTATING
6680-00-001-3675
INDICATOR,SIGHT,LIQUID
6680-00-001-4170
COUNTER,ROTATING
Frequently Asked Questions
What is NSN 6680-01-347-7944?
NSN 6680-01-347-7944 is a Indicator,electrical Tachometer, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
What part numbers are listed for NSN 6680-01-347-7944?
NSN 6680-01-347-7944 has 1 manufacturer part number on file: DN40863 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
What are the specifications of DN40863?
Key specifications for DN40863: End Item Identification: H-1 HELO. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6680-01-347-7944 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 6680-01-347-7944?
NSN 6680-01-347-7944 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.