PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-2890-4Indicator,sight,liquid

Oil Rite Corp · NSN 6680-01-037-9168 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-037-9168 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-037-9168. Primary manufacturer part number: A-2890-4.
Features
  • Indicator,sight,liquid — FSC 6680
  • Maximum Working Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Thread Quantity Per Inch: UNABLE TO DECODE
  • Furnished Data: LIQUID LEVEL
  • End Connection Type: UNABLE TO DECODE
  • Thread Direction: UNABLE TO DECODE
  • Thread Series Designator: UNABLE TO DECODE
  • Sight Diameter: 0.750 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-037-9168, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Oil Rite Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN6680-01-037-9168
Primary Part NumberA-2890-4
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerOil Rite Corp
StatusACTIVE
Maximum Working Pressure125.0 POUNDS PER SQUARE INCH (PSI) LBS
Thread Quantity Per InchUNABLE TO DECODE
Furnished DataLIQUID LEVEL
End Connection TypeUNABLE TO DECODE
Thread DirectionUNABLE TO DECODE
Thread Series DesignatorUNABLE TO DECODE
Sight Diameter0.750 INCHES NOMINAL IN
MaterialSTEEL
Data Furnishing MethodCLEAR WINDOW
Width Across Flats1.062 INCHES NOMINAL IN
Style DesignatorBULLS EYE, HI-TEMP/HIGH PRESSURE
Media for Which DesignedOIL
Surface TreatmentCADMIUM
Nominal Thread SizeUNABLE TO DECODE
Maximum Temp Rating250.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-050-1600 INTERCHANGEABLE
Plug,expansion
5120-00-203-4797 INTERCHANGEABLE
Wrench,open End
3455-00-228-5231ASME B94.19 TABLE 28 5/8 DIA CU INTERCHANGEABLE
Cutter,milling,end
The American Society of Mechanical Engineers
4310-00-287-96481264 INTERCHANGEABLE
Pin,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
2920-00-294-389574042450 INTERCHANGEABLE
Cap,ignition Distribution
New Holland Construction
3040-00-322-5602SM-C-171362 INTERCHANGEABLE
Shaft,straight
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-387-16011264 INTERCHANGEABLE
Coil,radio Frequency
Smart Machines, Inc. Dba Barker and Williamson
5305-00-448-36421264 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
6530-00-476-52447000002546 INTERCHANGEABLE
Sterilization Test Ampules,bacte
Solventum Us Llc
3110-00-554-3355 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
A-2890-4 PRIMARY Oil Rite Corp (USA)
55522 Keco Industries, Inc. (USA)
1264 Oil Rite Corp (USA)
Related Parts
5340-00-050-1600INTERCHANGEABLE
PLUG,EXPANSION
5120-00-203-4797INTERCHANGEABLE
WRENCH,OPEN END
3455-00-228-5231INTERCHANGEABLE
CUTTER,MILLING,END
ASME B94.19 TABLE 28 5/8 DIA CU
4310-00-287-9648INTERCHANGEABLE
PIN,PISTON
1264
2920-00-294-3895INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
74042450
3040-00-322-5602INTERCHANGEABLE
SHAFT,STRAIGHT
SM-C-171362
5950-00-387-1601INTERCHANGEABLE
COIL,RADIO FREQUENCY
1264
5305-00-448-3642INTERCHANGEABLE
SCREW,MACHINE
1264
6530-00-476-5244INTERCHANGEABLE
STERILIZATION TEST AMPULES,BACTE
7000002546
3110-00-554-3355INTERCHANGEABLE
BEARING,BALL,ANNULAR
3020-00-671-1555INTERCHANGEABLE
GEAR,SPUR
555-22
5940-01-008-2786INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
304-1499-020

Frequently Asked Questions

What is NSN 6680-01-037-9168?

NSN 6680-01-037-9168 is a Indicator,sight,liquid, manufactured by Oil Rite Corp, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-037-9168?

NSN 6680-01-037-9168 has 3 cross-referenced part numbers: A-2890-4 (Oil Rite Corp), 55522 (Keco Industries, Inc.), 1264 (Oil Rite Corp).

What NSN replaces 6680-01-037-9168?

There are 12 known substitutes for 6680-01-037-9168: 5340-00-050-1600, 5120-00-203-4797, 3455-00-228-5231 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-2890-4?

Key specifications for A-2890-4: Maximum Working Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) LBS; Thread Quantity Per Inch: UNABLE TO DECODE; Furnished Data: LIQUID LEVEL; End Connection Type: UNABLE TO DECODE. 16 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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