FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment
Government record, cited
Also searched as6680-00-977-9378 ·
6680009779378 ·
NIIN 009779378 ·
00-977-9378 ·
FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
General Description
The Power Unit,tachomet, cataloged under National Stock Number 6680-00-977-9378, 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Instruments) of the Instruments and Laboratory Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Power Unit,tachomet
FSC / FSG
6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66)
Technical Specifications
Parameter
Value
NSN
6680-00-977-9378
Item Name
Power Unit,tachomet
FSC / FSG
6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-304-5557FV-218-422POSSIBLE MATCH
PARTS KIT,SOLENOID VALVE
Possible match (shared part number)Automatic Switch Company Dba Asco
2520-01-497-8504POSSIBLE MATCH
DISK,CLUTCH,VEHICULAR
Possible match (shared part number)
5330-01-606-6377218422POSSIBLE MATCH
SEAL,PLAIN ENCASED
Possible match (shared part number)Terex Usa, Llc Dba Terex Usa, Llc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
2-1842-2
3/2Design control — primary reference
U.S. Government activity
Related Parts
4810-01-304-5557POSSIBLE MATCH
PARTS KIT,SOLENOID VALVE
FV-218-422
2520-01-497-8504POSSIBLE MATCH
DISK,CLUTCH,VEHICULAR
5330-01-606-6377POSSIBLE MATCH
SEAL,PLAIN ENCASED
218422
Frequently Asked Questions
What is NSN 6680-00-977-9378?
NSN 6680-00-977-9378 is a Power Unit,tachomet, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
What NSN replaces 6680-00-977-9378?
3 possible matches (shared part number, not a government interchangeability claim): 4810-01-304-5557, 2520-01-497-8504, 5330-01-606-6377. Verify interchangeability with system specifications before substitution.
Is NSN 6680-00-977-9378 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.