PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

OG5266Indicator,sight,liquid

Essex Brass Corporation · NSN 6680-01-079-1785 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-079-1785 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-079-1785. Primary manufacturer part number: OG5266.
Features
  • Indicator,sight,liquid — FSC 6680
  • Material: COPPER ALLOY
  • End Connection Type: UNABLE TO DECODE
  • Media for Which Designed: OIL
  • Style Designator: ANGLE PATTERN, SHIELDED SIDE OPENING
  • Furnished Data: LIQUID LEVEL
  • Thread Quantity Per Inch: UNABLE TO DECODE
  • Nominal Thread Size: UNABLE TO DECODE
Applications
  • Applications requiring Copper Alloy construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-079-1785, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Essex Brass Corporation. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN6680-01-079-1785
Primary Part NumberOG5266
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerEssex Brass Corporation
StatusACTIVE
MaterialCOPPER ALLOY
End Connection TypeUNABLE TO DECODE
Media for Which DesignedOIL
Style DesignatorANGLE PATTERN, SHIELDED SIDE OPENING
Furnished DataLIQUID LEVEL
Thread Quantity Per InchUNABLE TO DECODE
Nominal Thread SizeUNABLE TO DECODE
Thread Series DesignatorUNABLE TO DECODE
Data Furnishing MethodCLEAR WINDOW
Thread DirectionUNABLE TO DECODE
Width Across Flats0.875 INCHES NOMINAL IN
Sight Height4.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-004-7241 INTERCHANGEABLE
Bearing,sleeve
5310-00-275-197413399 INTERCHANGEABLE
Nut,plain,slotted,hexagon
Chrysler Realty Company Llc Dba Daimler Chrysler
4210-00-289-4328 INTERCHANGEABLE
Bracket,fire Extinguisher
2940-00-505-6714 INTERCHANGEABLE
Filter,fluid
5305-00-515-7174 INTERCHANGEABLE
Screw,machine
5935-00-539-28545266 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
1010-00-718-0782 INTERCHANGEABLE
Guard,term,safety S
5330-00-894-9314956174C INTERCHANGEABLE
Packing with Retainer
Dresser, Llc
5950-01-319-726503-99-41 INTERCHANGEABLE
Transformer,pulse
Microwave Engineering Corporation
2920-01-337-72665-266 INTERCHANGEABLE
Regulator,engine Generator
Motorola Automotive Electronics
Cross-Reference Index
Part NumberManufacturer
OG5266 Essex Brass Corporation (USA)
526-6 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
S958-14 Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA)
526-6 Essex Brass Corporation (USA)
Related Parts
3120-00-004-7241INTERCHANGEABLE
BEARING,SLEEVE
5310-00-275-1974INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
13399
4210-00-289-4328INTERCHANGEABLE
BRACKET,FIRE EXTINGUISHER
2940-00-505-6714INTERCHANGEABLE
FILTER,FLUID
5305-00-515-7174INTERCHANGEABLE
SCREW,MACHINE
5935-00-539-2854INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5266
1010-00-718-0782INTERCHANGEABLE
GUARD,TERM,SAFETY S
5330-00-894-9314INTERCHANGEABLE
PACKING WITH RETAINER
956174C
5950-01-319-7265INTERCHANGEABLE
TRANSFORMER,PULSE
03-99-41
2920-01-337-7266INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
5-266
7530-01-406-7284INTERCHANGEABLE
LABEL
5266
5120-01-504-7921INTERCHANGEABLE
HANDLE,SOCKET WRENCH
J5266

Frequently Asked Questions

What is NSN 6680-01-079-1785?

NSN 6680-01-079-1785 is a Indicator,sight,liquid, manufactured by Essex Brass Corporation, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-079-1785?

NSN 6680-01-079-1785 has 4 cross-referenced part numbers: OG5266 (Essex Brass Corporation), 526-6 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), S958-14 (Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp), 526-6 (Essex Brass Corporation).

What NSN replaces 6680-01-079-1785?

There are 12 known substitutes for 6680-01-079-1785: 3120-00-004-7241, 5310-00-275-1974, 4210-00-289-4328 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of OG5266?

Key specifications for OG5266: Material: COPPER ALLOY; End Connection Type: UNABLE TO DECODE; Media for Which Designed: OIL; Style Designator: ANGLE PATTERN, SHIELDED SIDE OPENING. 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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