PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24721Indicator,sight,liquid

Alter Harry Co the Div of T E C · NSN 6680-00-111-5090 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-111-5090 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-111-5090. Primary manufacturer part number: 24721.
Features
  • Indicator,sight,liquid — FSC 6680
  • Style Designator: DOUBLE PORT W/CAPS
  • Features Provided: SAFETY SHIELD
  • Media for Which Designed: REFRIGERANT, FLUOROCARBON
  • Furnished Data: ACTIVE INGREDIENT PRESENCE AND LIQUID FLOW
  • Data Furnishing Method: CLEAR WINDOW AND FLAPPER
  • End Connection Type: UNABLE TO DECODE
  • Nominal Pipe Size for Which Designed: UNABLE TO DECODE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-00-111-5090, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Alter Harry Co the Div of T E C. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-111-5090
Primary Part Number24721
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerAlter Harry Co the Div of T E C
StatusACTIVE
Style DesignatorDOUBLE PORT W/CAPS
Features ProvidedSAFETY SHIELD
Media for Which DesignedREFRIGERANT, FLUOROCARBON
Furnished DataACTIVE INGREDIENT PRESENCE AND LIQUID FLOW
Data Furnishing MethodCLEAR WINDOW AND FLAPPER
End Connection TypeUNABLE TO DECODE
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Supplementary FeaturesWALK-IN FREEZ,REPAIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-100-054324721 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
5331-00-425-06492313-0078 INTERCHANGEABLE
O-Ring
Circor Aerospace, Inc. Dba Circor Aerospace Inc
6920-00-657-282024721 INTERCHANGEABLE
Cable Assy
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
4140-01-298-1073A-PA6AXFN INTERCHANGEABLE
Housing,axial Fan
Hoffman Engineering Co Div of Federal Cartridge Corp
5120-01-442-089824721 INTERCHANGEABLE
Inserter,screw Thread Insert
Jergens Inc Div Tooling Components Division
1005-01-543-016824721 INTERCHANGEABLE
Pouch,magazine,sing
Charles Reed Knight Jr Dba Knight's Armament Company
6515-01-599-5369472 INTERCHANGEABLE
Weight,slap Hammer
Sign Fracture Care International Dba Sign
Cross-Reference Index
Part NumberManufacturer
24721 PRIMARY Alter Harry Co the Div of T E C (USA)
Related Parts
3110-00-100-0543INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
24721
5331-00-425-0649INTERCHANGEABLE
O-RING
2313-0078
6920-00-657-2820INTERCHANGEABLE
CABLE ASSY
24721
4140-01-298-1073INTERCHANGEABLE
HOUSING,AXIAL FAN
A-PA6AXFN
5120-01-442-0898INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
24721
1005-01-543-0168INTERCHANGEABLE
POUCH,MAGAZINE,SING
24721
6515-01-599-5369INTERCHANGEABLE
WEIGHT,SLAP HAMMER
472

Frequently Asked Questions

What is NSN 6680-00-111-5090?

NSN 6680-00-111-5090 is a Indicator,sight,liquid, manufactured by Alter Harry Co the Div of T E C, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-111-5090?

NSN 6680-00-111-5090 has 1 cross-referenced part number: 24721 (Alter Harry Co the Div of T E C).

What NSN replaces 6680-00-111-5090?

There are 7 known substitutes for 6680-00-111-5090: 3110-00-100-0543, 5331-00-425-0649, 6920-00-657-2820 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24721?

Key specifications for 24721: Style Designator: DOUBLE PORT W/CAPS; Features Provided: SAFETY SHIELD; Media for Which Designed: REFRIGERANT, FLUOROCARBON; Furnished Data: ACTIVE INGREDIENT PRESENCE AND LIQUID FLOW. 8 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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