PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-550-5Indicator,sight,liquid

Lenz Inc Dba the Lenz Company · NSN 6680-01-142-6190 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-142-6190 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-142-6190. Primary manufacturer part number: T-550-5.
Features
  • Indicator,sight,liquid — FSC 6680
  • Media for Which Designed: OIL AND WATER
  • Material: ALUMINUM ALLOY
  • Maximum Temp Rating: 225.0 FAHRENHEIT DEGF
  • Distance Between Mounting Facility Centers: 5.000 INCHES NOMINAL IN
  • Thread Series Designator: UNABLE TO DECODE
  • Nominal Thread Size: UNABLE TO DECODE
  • Data Furnishing Method: INSCRIBED HIGH-LOW AND THERMOMETER
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-142-6190, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lenz Inc Dba the Lenz Company. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-142-6190
Primary Part NumberT-550-5
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerLenz Inc Dba the Lenz Company
StatusACTIVE
Media for Which DesignedOIL AND WATER
MaterialALUMINUM ALLOY
Maximum Temp Rating225.0 FAHRENHEIT DEGF
Distance Between Mounting Facility Centers5.000 INCHES NOMINAL IN
Thread Series DesignatorUNABLE TO DECODE
Nominal Thread SizeUNABLE TO DECODE
Data Furnishing MethodINSCRIBED HIGH-LOW AND THERMOMETER
Furnished DataLIQUID LEVEL AND LIQUID TEMPERATURE
Style DesignatorDOUBLE-MOUNT, SHIELDED, FRONT OPENING
Thread ClassUNABLE TO DECODE
Thread DirectionUNABLE TO DECODE
Sight Height3.875 INCHES NOMINAL IN
End Connection TypeUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5305-00-075-419112356 INTERCHANGEABLE
Screw,cap,hexagon Head
Aerosonic Llc
5935-00-225-860627E127 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Te Connectivity Corporation
5330-00-890-803412356 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5133-01-045-494618662 OLE PRO INTERCHANGEABLE
Drill,twist
General Services Administration Federal Supply Service
5306-01-157-179831586 INTERCHANGEABLE
Bolt
Westerbeke Corporation
5310-01-278-9437 INTERCHANGEABLE
Washer Special
6150-01-324-595912356 INTERCHANGEABLE
Cable Assembly,power,electrical
Giga-Tronics Incorporated Dba Giga-Tronics
6530-01-502-755212356 INTERCHANGEABLE
Pouch,sterilization
Advanced Sterilization Products Services Inc.
4720-01-546-987512356 INTERCHANGEABLE
Hose,preformed
Generac Mobile Products, Llc
6525-01-574-7169040-0030-0001 INTERCHANGEABLE
Cable Harness,jitter Signal,comp
Icrco, Inc.
Cross-Reference Index
Part NumberManufacturer
YMD-4517 Appleton Marine Inc (USA)
12356 Tymco International, Inc. (USA)
BML61327 Bae Systems Land & Armaments L.p. (USA)
2220-100-06 Quik Mfg., Co. Dba Q M C (USA)
T-550-5 PRIMARY Lenz Inc Dba the Lenz Company (USA)
517807-2 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
12330222 Amz Alabama Inc. (USA)
12330222 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5305-00-075-4191INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12356
5935-00-225-8606INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
27E127
5330-00-890-8034INTERCHANGEABLE
SEAL,PLAIN ENCASED
12356
5133-01-045-4946INTERCHANGEABLE
DRILL,TWIST
18662 OLE PRO
5306-01-157-1798INTERCHANGEABLE
BOLT
31586
5310-01-278-9437INTERCHANGEABLE
WASHER SPECIAL
6150-01-324-5959INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
12356
6530-01-502-7552INTERCHANGEABLE
POUCH,STERILIZATION
12356
4720-01-546-9875INTERCHANGEABLE
HOSE,PREFORMED
12356
6525-01-574-7169INTERCHANGEABLE
CABLE HARNESS,JITTER SIGNAL,COMP
040-0030-0001

Frequently Asked Questions

What is NSN 6680-01-142-6190?

NSN 6680-01-142-6190 is a Indicator,sight,liquid, manufactured by Lenz Inc Dba the Lenz Company, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-142-6190?

NSN 6680-01-142-6190 has 8 cross-referenced part numbers: YMD-4517 (Appleton Marine Inc), 12356 (Tymco International, Inc.), BML61327 (Bae Systems Land & Armaments L.p.), 2220-100-06 (Quik Mfg., Co. Dba Q M C), T-550-5 (Lenz Inc Dba the Lenz Company) and 3 more.

What NSN replaces 6680-01-142-6190?

There are 10 known substitutes for 6680-01-142-6190: 5305-00-075-4191, 5935-00-225-8606, 5330-00-890-8034 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-550-5?

Key specifications for T-550-5: Media for Which Designed: OIL AND WATER; Material: ALUMINUM ALLOY; Maximum Temp Rating: 225.0 FAHRENHEIT DEGF; Distance Between Mounting Facility Centers: 5.000 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

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