NSN 6680-01-698-5641 · NIIN 016985641 · Part number TFF1573-2
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 6680-01-698-5641 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-698-5641. Manufacturer of record part number: TFF1573-2.
Also searched as6680-01-698-5641 ·
6680016985641 ·
NIIN 016985641 ·
01-698-5641 ·
FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · CAGE 45934 · TFF1573-2 · 9753512108
Manufacturer of record: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Identification
NSN: 6680-01-698-5641
NIIN: 016985641
FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: TFF1573-2
Manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
General Description
The Transmitter,rate of Flow, cataloged under National Stock Number 6680-01-698-5641, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6680-01-698-5641
Primary Part Number
TFF1573-2
Item Name
Transmitter,rate of Flow
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)
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 6680-01-698-5641?
NSN 6680-01-698-5641 is a Transmitter,rate of Flow, 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 6680-01-698-5641?
NSN 6680-01-698-5641 has 2 manufacturer part numbers on file: 9753512108 (Pilatus Aircraft Ltd), TFF1573-2 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
What are the specifications of TFF1573-2?
Key specifications for TFF1573-2: Part Name Assigned by Controlling Agency: FUEL FLOW TRANSMITTER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6680-01-698-5641 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.
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.