PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SFF3FIndicator,sight,liquid

Tyco Valves & Controls Lp Dba Penberthy · NSN 6680-01-121-0545 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-121-0545 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-121-0545. Primary manufacturer part number: SFF3F.
Features
  • Indicator,sight,liquid — FSC 6680
  • Media for Which Designed: OIL
  • Nominal Pipe Size for Which Designed: UNABLE TO DECODE
  • Sight Diameter: 3.188 INCHES NOMINAL IN
  • End Connection Type: UNABLE TO DECODE
  • Maximum Working Pressure: 216.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Furnished Data: LIQUID FLOW
  • Maximum Temp Rating: 212.0 FAHRENHEIT DEGF
Applications
  • Applications requiring Steel construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-121-0545, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Tyco Valves & Controls Lp Dba Penberthy. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN6680-01-121-0545
Primary Part NumberSFF3F
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerTyco Valves & Controls Lp Dba Penberthy
StatusACTIVE
Media for Which DesignedOIL
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Sight Diameter3.188 INCHES NOMINAL IN
End Connection TypeUNABLE TO DECODE
Maximum Working Pressure216.0 POUNDS PER SQUARE INCH (PSI) LBS
Furnished DataLIQUID FLOW
Maximum Temp Rating212.0 FAHRENHEIT DEGF
MaterialSTEEL
Bolt Hole DiameterUNABLE TO DECODE
Data Furnishing MethodCLEAR WINDOW AND FLAPPER
Bolt Hole QuantityUNABLE TO DECODE
Style DesignatorDOUBLE PORT FLANGED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6135-00-043-4312 INTERCHANGEABLE
Battery,nonrechargeable
3110-00-156-1884 INTERCHANGEABLE
Bearing,ball,thrust
5935-00-187-0711323-0073 INTERCHANGEABLE
Connector,plug,electrical
Cummins Power Generation Inc.
2910-00-218-1302 INTERCHANGEABLE
Pump,fuel,cam Actuated
3455-00-254-8470C208 INTERCHANGEABLE
Cutter,milling,concave
F & D Tool Co Inc
6350-00-320-5595001 INTERCHANGEABLE
Control,door Opener
Continental Instruments Llc
5950-00-323-114217290 INTERCHANGEABLE
Reactor
Robert M. Hadley Company, Inc.
6110-00-520-2681 INTERCHANGEABLE
Regulator,voltage
5905-00-561-7515801527 INTERCHANGEABLE
Resistance Element
Teledyne Controls, Llc Dba Teledyne Controls
6680-00-580-0134405005 INTERCHANGEABLE
Indicator,sight,liquid
Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture
Cross-Reference Index
Part NumberManufacturer
910-3 Clark-Reliance Llc Dba Jacoby-Tarbox (USA)
SFF3F PRIMARY Tyco Valves & Controls Lp Dba Penberthy (USA)
910-F Clark-Reliance Llc Dba Jacoby-Tarbox (USA)
1661C10 Northrop Grumman Systems Corporation Div Marine Systems (USA)
910 Clark-Reliance Llc Dba Jacoby-Tarbox (USA)
Related Parts
6135-00-043-4312INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
3110-00-156-1884INTERCHANGEABLE
BEARING,BALL,THRUST
5935-00-187-0711INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
323-0073
2910-00-218-1302INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
3455-00-254-8470INTERCHANGEABLE
CUTTER,MILLING,CONCAVE
C208
6350-00-320-5595INTERCHANGEABLE
CONTROL,DOOR OPENER
001
5950-00-323-1142INTERCHANGEABLE
REACTOR
17290
6110-00-520-2681INTERCHANGEABLE
REGULATOR,VOLTAGE
5905-00-561-7515INTERCHANGEABLE
RESISTANCE ELEMENT
801527
6680-00-580-0134INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
405005
6680-00-580-0142INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
5950-00-645-2766INTERCHANGEABLE
TRANSFORMER,POWER
910-3

Frequently Asked Questions

What is NSN 6680-01-121-0545?

NSN 6680-01-121-0545 is a Indicator,sight,liquid, manufactured by Tyco Valves & Controls Lp Dba Penberthy, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-121-0545?

NSN 6680-01-121-0545 has 5 cross-referenced part numbers: 910-3 (Clark-Reliance Llc Dba Jacoby-Tarbox), SFF3F (Tyco Valves & Controls Lp Dba Penberthy), 910-F (Clark-Reliance Llc Dba Jacoby-Tarbox), 1661C10 (Northrop Grumman Systems Corporation Div Marine Systems), 910 (Clark-Reliance Llc Dba Jacoby-Tarbox).

What NSN replaces 6680-01-121-0545?

There are 12 known substitutes for 6680-01-121-0545: 6135-00-043-4312, 3110-00-156-1884, 5935-00-187-0711 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SFF3F?

Key specifications for SFF3F: Media for Which Designed: OIL; Nominal Pipe Size for Which Designed: UNABLE TO DECODE; Sight Diameter: 3.188 INCHES NOMINAL IN; End Connection Type: UNABLE TO DECODE. 13 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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