PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8840BIndicator,sight,liquid

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 6680-01-226-8131 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-226-8131 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-226-8131. Primary manufacturer part number: 8840B.
Features
  • Indicator,sight,liquid — FSC 6680
  • Nominal Pipe Size for Which Designed: UNABLE TO DECODE
  • Media for Which Designed: WATER
  • Data Furnishing Method: CLEAR WINDOW AND FLAPPER
  • Furnished Data: LIQUID FLOW
  • Material: COPPER ALLOY
  • 5 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Applications
  • Applications requiring Copper Alloy construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-226-8131, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-226-8131
Primary Part Number8840B
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusACTIVE
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Media for Which DesignedWATER
Data Furnishing MethodCLEAR WINDOW AND FLAPPER
Furnished DataLIQUID FLOW
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6625-01-500-5041B8860 INTERCHANGEABLE
Monitor,radio Frequency
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
Cross-Reference Index
Part NumberManufacturer
8840B Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
8840B PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
8840B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
295047CD2 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
8840B Siemens Energy, Inc. Dba Dresser-Rand (USA)
Related Parts
6625-01-500-5041INTERCHANGEABLE
MONITOR,RADIO FREQUENCY
B8860

Frequently Asked Questions

What is NSN 6680-01-226-8131?

NSN 6680-01-226-8131 is a Indicator,sight,liquid, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-226-8131?

NSN 6680-01-226-8131 has 5 cross-referenced part numbers: 8840B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 8840B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 8840B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 295047CD2 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 8840B (Siemens Energy, Inc. Dba Dresser-Rand).

What NSN replaces 6680-01-226-8131?

There is 1 known substitute for 6680-01-226-8131: 6625-01-500-5041. Verify interchangeability with system specifications before substitution.

What are the specifications of 8840B?

Key specifications for 8840B: Nominal Pipe Size for Which Designed: UNABLE TO DECODE; Media for Which Designed: WATER; Special Features: SOCKET WELD CONNECTIONS; Data Furnishing Method: CLEAR WINDOW AND FLAPPER. 6 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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