NSN 6680-01-121-0739 · NIIN 011210739 · Part number 35020
Sabre Engines Ltd · FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE U2340
Government record, cited
NSN 6680-01-121-0739 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-121-0739. Manufacturer of record part number: 35020.
Also searched as6680-01-121-0739 ·
6680011210739 ·
NIIN 011210739 ·
01-121-0739 ·
FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · CAGE U2340 · 35020
FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 35020
Manufacturer: Sabre Engines Ltd
General Description
The Gearbox,tachometer, cataloged under National Stock Number 6680-01-121-0739, 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 Sabre Engines Ltd. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
Gearbox,tachometer
FSC / FSG
6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66)
Manufacturers
Sabre Engines Ltd (CAGE U2340)
Technical Specifications
Parameter
Value
NSN
6680-01-121-0739
Primary Part Number
35020
Item Name
Gearbox,tachometer
FSC / FSG
6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
Manufacturer
Sabre Engines Ltd
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5998-01-124-9164205-89-01955POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)U S Dept of Transportation Federal Aviation Administration
6645-01-177-5563POSSIBLE MATCH
TIMER,SEQUENTIAL
Possible match (shared part number)
5330-01-201-0764POSSIBLE MATCH
SEAL,PLAIN ENCASED
Possible match (shared part number)
1560-01-383-1682350-20POSSIBLE MATCH
SUPPORT,STRUCTURAL COMPONENT,AIR
Possible match (shared part number)Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
NSN 6680-01-121-0739 is a Gearbox,tachometer, manufactured by Sabre Engines Ltd, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
What part numbers are listed for NSN 6680-01-121-0739?
NSN 6680-01-121-0739 has 1 manufacturer part number on file: 35020 (Sabre Engines Ltd).
What NSN replaces 6680-01-121-0739?
5 possible matches (shared part number, not a government interchangeability claim): 5998-01-124-9164, 6645-01-177-5563, 5330-01-201-0764. Verify interchangeability with system specifications before substitution.
Is NSN 6680-01-121-0739 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.