PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54171Transmitter,liquid Quantity

Setra Systems, Inc. Dba Gems Sensors · NSN 6680-01-121-6139 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-121-6139 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-121-6139. Primary manufacturer part number: 54171.
Features
  • Transmitter,liquid Quantity — FSC 6680
  • 2 verified cross-references
  • Primary manufacturer: Setra Systems, Inc. Dba Gems Sensors
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transmitter,liquid Quantity, cataloged under National Stock Number 6680-01-121-6139, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransmitter,liquid Quantity
FSC / FSG6680 — No Item Name Available (FSG 66)
ManufacturersSetra Systems, Inc. Dba Gems Sensors (CAGE 04034)
Technical Specifications
ParameterValue
NSN6680-01-121-6139
Primary Part Number54171
Item NameTransmitter,liquid Quantity
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5999-00-113-7586952112-1 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4730-00-359-4720 INTERCHANGEABLE
Elbow,pipe
5935-00-819-75345417-1 INTERCHANGEABLE
Adapter,connector
Microwave Devices Inc
5995-01-696-386154171 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cables to Go
Cross-Reference Index
Part NumberManufacturer
54171 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
XM-36485-115-0270-O-L Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
5999-00-113-7586INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
952112-1
4730-00-359-4720INTERCHANGEABLE
ELBOW,PIPE
5935-00-819-7534INTERCHANGEABLE
ADAPTER,CONNECTOR
5417-1
5995-01-696-3861INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
54171

Frequently Asked Questions

What is NSN 6680-01-121-6139?

NSN 6680-01-121-6139 is a Transmitter,liquid Quantity, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-121-6139?

NSN 6680-01-121-6139 has 2 cross-referenced part numbers: 54171 (Setra Systems, Inc. Dba Gems Sensors), XM-36485-115-0270-O-L (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 6680-01-121-6139?

There are 4 known substitutes for 6680-01-121-6139: 5999-00-113-7586, 4730-00-359-4720, 5935-00-819-7534 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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