PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F 54Indicator,sight,liquid

Ldi Industries, Inc. Dba Ldi Industries Inc · NSN 6680-00-241-2851 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-241-2851 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-241-2851. Primary manufacturer part number: F 54.
Features
  • Indicator,sight,liquid — FSC 6680
  • Sight Height: 1.125 INCHES NOMINAL IN
  • Data Furnishing Method: CLEAR WINDOW
  • Thread Quantity Per Inch: UNABLE TO DECODE
  • Nominal Thread Size: UNABLE TO DECODE
  • Material: ALUMINUM ALLOY
  • Thread Series Designator: UNABLE TO DECODE
  • End Connection Type: UNABLE TO DECODE
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-00-241-2851, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ldi Industries, Inc. Dba Ldi Industries Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-241-2851
Primary Part NumberF 54
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerLdi Industries, Inc. Dba Ldi Industries Inc
StatusACTIVE
Sight Height1.125 INCHES NOMINAL IN
Data Furnishing MethodCLEAR WINDOW
Thread Quantity Per InchUNABLE TO DECODE
Nominal Thread SizeUNABLE TO DECODE
MaterialALUMINUM ALLOY
Thread Series DesignatorUNABLE TO DECODE
End Connection TypeUNABLE TO DECODE
Surface TreatmentANODIZE
Furnished DataLIQUID FLOW
Media for Which DesignedOIL
Style DesignatorVERTICAL SHIELDED, DOUBLE PORT
Width Across Flats1.625 INCHES NOMINAL IN
Thread DirectionUNABLE TO DECODE
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5895-00-078-92814286 INTERCHANGEABLE
Recorder Subassembly
The Bechdon Company, Llc
6220-00-190-6407428-R-6 INTERCHANGEABLE
Stop Light-Taillight,vehicular
Petersen Mfg Co Inc
6750-00-297-3883 INTERCHANGEABLE
Paper,photographic
5950-00-647-7433 INTERCHANGEABLE
Transformer,power
4320-00-660-0959F54 INTERCHANGEABLE
Pump,rotary
Viking Pump, Inc
6625-00-698-6814 INTERCHANGEABLE
Bridge,resistance
6145-00-729-91524286 INTERCHANGEABLE
Cable,power,electrical
Rscc Wire & Cable Llc Dba Marmon Industrial Energy & Infrastructure - East Granby
5999-00-757-1755 INTERCHANGEABLE
Heater,thermal Release
5305-00-984-4983MS35206-226 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4330-01-202-4905F54 INTERCHANGEABLE
Filter Element,fluid
Emglo Products Corp
Cross-Reference Index
Part NumberManufacturer
4286 Gits Mfg Co Inc (USA)
F 54 PRIMARY Ldi Industries, Inc. Dba Ldi Industries Inc (USA)
3262494 Hatch & Kirk, Inc. (USA)
4286 Apache Corp Gits Bros Mfg Co (USA)
3262494 General Motors Corp Electro-Motive Div (USA)
Related Parts
5895-00-078-9281INTERCHANGEABLE
RECORDER SUBASSEMBLY
4286
6220-00-190-6407INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
428-R-6
6750-00-297-3883INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
5950-00-647-7433INTERCHANGEABLE
TRANSFORMER,POWER
4320-00-660-0959INTERCHANGEABLE
PUMP,ROTARY
F54
6625-00-698-6814INTERCHANGEABLE
BRIDGE,RESISTANCE
6145-00-729-9152INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
4286
5999-00-757-1755INTERCHANGEABLE
HEATER,THERMAL RELEASE
5305-00-984-4983INTERCHANGEABLE
SCREW,MACHINE
MS35206-226
4330-01-202-4905INTERCHANGEABLE
FILTER ELEMENT,FLUID
F54
5985-01-228-6966INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
MDC1075
5905-01-342-2681INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
632614-01

Frequently Asked Questions

What is NSN 6680-00-241-2851?

NSN 6680-00-241-2851 is a Indicator,sight,liquid, manufactured by Ldi Industries, Inc. Dba Ldi Industries Inc, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-241-2851?

NSN 6680-00-241-2851 has 5 cross-referenced part numbers: 4286 (Gits Mfg Co Inc), F 54 (Ldi Industries, Inc. Dba Ldi Industries Inc), 3262494 (Hatch & Kirk, Inc.), 4286 (Apache Corp Gits Bros Mfg Co), 3262494 (General Motors Corp Electro-Motive Div).

What NSN replaces 6680-00-241-2851?

There are 12 known substitutes for 6680-00-241-2851: 5895-00-078-9281, 6220-00-190-6407, 6750-00-297-3883 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F 54?

Key specifications for F 54: Sight Height: 1.125 INCHES NOMINAL IN; Data Furnishing Method: CLEAR WINDOW; Thread Quantity Per Inch: UNABLE TO DECODE; Nominal Thread Size: UNABLE TO DECODE. 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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