NSN 6680-01-620-3722 · NIIN 016203722 · Part number 020-135-104
Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division · FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 26055
Government record, cited
NSN 6680-01-620-3722 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-620-3722. Manufacturer of record part number: 020-135-104.
Also searched as6680-01-620-3722 ·
6680016203722 ·
NIIN 016203722 ·
01-620-3722 ·
FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments · CAGE 26055 · 020-135-104 · 201236986-12 · 201236986 · FG120L1-FAC
Manufacturer of record: Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division
Identification
NSN: 6680-01-620-3722
NIIN: 016203722
FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 020-135-104
Manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division
General Description
The Compensator,liquid Quantity Gage, cataloged under National Stock Number 6680-01-620-3722, 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 Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
6680-01-620-3722
Primary Part Number
020-135-104
Item Name
Compensator,liquid Quantity Gage
FSC / FSG
6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
Manufacturer
Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6680-01-620-3725020-135-106POSSIBLE MATCH
COMPENSATOR,LIQUID QUANTITY GAGE
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division
6680-01-620-4088021-135-108POSSIBLE MATCH
COMPENSATOR,LIQUID QUANTITY GAGE
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division
6680-01-620-4216021-135-105POSSIBLE MATCH
COMPENSATOR,LIQUID QUANTITY GAGE
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division
6680-01-620-4218021-135-104POSSIBLE MATCH
COMPENSATOR,LIQUID QUANTITY GAGE
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division
6680-01-620-4222021-135-143POSSIBLE MATCH
COMPENSATOR,LIQUID QUANTITY GAGE
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division
Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
Related Parts
6680-01-620-3725POSSIBLE MATCH
COMPENSATOR,LIQUID QUANTITY GAGE
020-135-106
6680-01-620-4088POSSIBLE MATCH
COMPENSATOR,LIQUID QUANTITY GAGE
021-135-108
6680-01-620-4216POSSIBLE MATCH
COMPENSATOR,LIQUID QUANTITY GAGE
021-135-105
6680-01-620-4218POSSIBLE MATCH
COMPENSATOR,LIQUID QUANTITY GAGE
021-135-104
6680-01-620-4222POSSIBLE MATCH
COMPENSATOR,LIQUID QUANTITY GAGE
021-135-143
Frequently Asked Questions
What is NSN 6680-01-620-3722?
NSN 6680-01-620-3722 is a Compensator,liquid Quantity Gage, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
What part numbers are listed for NSN 6680-01-620-3722?
NSN 6680-01-620-3722 has 2 manufacturer part numbers on file: 020-135-104 (Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division), FG120L1-FAC (Firstmark Aerospace Corp).
What NSN replaces 6680-01-620-3722?
5 possible matches (shared part number, not a government interchangeability claim): 6680-01-620-3725, 6680-01-620-4088, 6680-01-620-4216. Verify interchangeability with system specifications before substitution.
What are the specifications of 020-135-104?
Key specifications for 020-135-104: Part Name Assigned by Controlling Agency: LIQUID QTY GAGE TANK UNIT; End Item Identification: KC-135 ACFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6680-01-620-3722 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 6680-01-620-3722?
NSN 6680-01-620-3722 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.