PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

800521-87Indicator,sight,liquid

Rexnord Industries Llc · NSN 6680-00-526-8965 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-526-8965 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-526-8965. Primary manufacturer part number: 800521-87.
Features
  • Indicator,sight,liquid — FSC 6680
  • Width Across Flats: 2.750 INCHES NOMINAL IN
  • Media for Which Designed: GAS, LIQUEFIED
  • Furnished Data: LIQUID LEVEL
  • End Connection Type: UNABLE TO DECODE
  • Style Designator: DOUBLE PORT
  • Thread Quantity Per Inch: UNABLE TO DECODE
  • Thread Series Designator: UNABLE TO DECODE
Applications
  • Applications requiring Copper Alloy construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-00-526-8965, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Rexnord Industries Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6680-00-526-8965
Primary Part Number800521-87
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerRexnord Industries Llc
StatusCANCELLED
Width Across Flats2.750 INCHES NOMINAL IN
Media for Which DesignedGAS, LIQUEFIED
Furnished DataLIQUID LEVEL
End Connection TypeUNABLE TO DECODE
Style DesignatorDOUBLE PORT
Thread Quantity Per InchUNABLE TO DECODE
Thread Series DesignatorUNABLE TO DECODE
MaterialCOPPER ALLOY
Nominal Thread SizeUNABLE TO DECODE
Data Furnishing MethodCLEAR WINDOW
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Thread DirectionUNABLE TO DECODE
Sight Diameter2.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6240-00-078-2360F20T12CW26 INTERCHANGEABLE
Lamp,fluorescent
General Electric Company Dba Ge
5895-00-442-367677C710995P001 INTERCHANGEABLE
Generator,pulse
Lockheed Martin Corporation Div Rms
5325-00-752-13741854P172 INTERCHANGEABLE
Ring,retaining
Meritor Heavy Vehicle Systems, Llc
3020-01-393-464180052-1 INTERCHANGEABLE
Pulley,timing Belt
Morpac Industries, Inc Div Actuator
2520-01-524-7520913-658 INTERCHANGEABLE
Clutch Assembly,friction
Avionics Specialties, Inc.
5360-01-651-215580052-1 INTERCHANGEABLE
Spring,helical,compression
Hydraulics International, Inc. Dba Hydraulics International Inc
Cross-Reference Index
Part NumberManufacturer
3386245 General Motors Corp Electro-Motive Div (USA)
800521-87 PRIMARY Rexnord Industries Llc (USA)
800521 Rexnord Industries Llc (USA)
800799C Rexnord Industries Llc (USA)
913658 Rexnord Industries Llc (USA)
3386245 Hatch & Kirk, Inc. (USA)
Related Parts
6240-00-078-2360INTERCHANGEABLE
LAMP,FLUORESCENT
F20T12CW26
5895-00-442-3676INTERCHANGEABLE
GENERATOR,PULSE
77C710995P001
5325-00-752-1374INTERCHANGEABLE
RING,RETAINING
1854P172
3020-01-393-4641INTERCHANGEABLE
PULLEY,TIMING BELT
80052-1
2520-01-524-7520INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
913-658
5360-01-651-2155INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
80052-1

Frequently Asked Questions

What is NSN 6680-00-526-8965?

NSN 6680-00-526-8965 is a Indicator,sight,liquid, manufactured by Rexnord Industries Llc, classified under FSC 6680 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6680-00-526-8965?

NSN 6680-00-526-8965 has 6 cross-referenced part numbers: 3386245 (General Motors Corp Electro-Motive Div), 800521-87 (Rexnord Industries Llc), 800521 (Rexnord Industries Llc), 800799C (Rexnord Industries Llc), 913658 (Rexnord Industries Llc) and 1 more.

What NSN replaces 6680-00-526-8965?

There are 6 known substitutes for 6680-00-526-8965: 6240-00-078-2360, 5895-00-442-3676, 5325-00-752-1374 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 800521-87?

Key specifications for 800521-87: Width Across Flats: 2.750 INCHES NOMINAL IN; Media for Which Designed: GAS, LIQUEFIED; Furnished Data: LIQUID LEVEL; End Connection Type: UNABLE TO DECODE. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6680-00-526-8965 still in active supply?

NSN 6680-00-526-8965 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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