PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

377536Gage,liquid Quantity,float Type

Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix · NSN 6680-00-810-6049 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-810-6049 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-810-6049. Primary manufacturer part number: 377536.
Features
  • Gage,liquid Quantity,float Type — FSC 6680
  • Oil Seal: NOT PROVIDED
  • Float Guide Wire: NOT PROVIDED
  • Float Protective Case: NOT PROVIDED
  • Material: COPPER ALLOY FLOAT
  • Indicator Type: DIAL
  • Scale Calibration: E TO F RANGE
  • Thread Size: 1-1/2 IN. IN
Applications
  • Applications requiring Copper Alloy Float construction
General Description

The Gage,liquid Quantity,float Type, cataloged under National Stock Number 6680-00-810-6049, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-810-6049
Primary Part Number377536
Item NameGage,liquid Quantity,float Type
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
StatusACTIVE
Oil SealNOT PROVIDED
Float Guide WireNOT PROVIDED
Float Protective CaseNOT PROVIDED
MaterialCOPPER ALLOY FLOAT
Indicator TypeDIAL
Scale CalibrationE TO F RANGE
Thread Size1-1/2 IN. IN
Scale Smallest Increment0.063 TANK
Scale TypeSTATIONARY
Screw Thread Series DesignatorNPT
Mounting MethodEXTERNAL THREAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2590-00-078-2994 INTERCHANGEABLE
Cap,filler Opening
Cross-Reference Index
Part NumberManufacturer
377536 Honeywell International Inc. Div Aerospace - Torrance (USA)
377536 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
377536 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
2590-00-078-2994INTERCHANGEABLE
CAP,FILLER OPENING

Frequently Asked Questions

What is NSN 6680-00-810-6049?

NSN 6680-00-810-6049 is a Gage,liquid Quantity,float Type, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-810-6049?

NSN 6680-00-810-6049 has 3 cross-referenced part numbers: 377536 (Honeywell International Inc. Div Aerospace - Torrance), 377536 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 377536 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix).

What NSN replaces 6680-00-810-6049?

There is 1 known substitute for 6680-00-810-6049: 2590-00-078-2994. Verify interchangeability with system specifications before substitution.

What are the specifications of 377536?

Key specifications for 377536: Oil Seal: NOT PROVIDED; Float Guide Wire: NOT PROVIDED; Float Protective Case: NOT PROVIDED; Material: COPPER ALLOY FLOAT. 14 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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