PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1146Indicator,sight,liquid

Ernst Flow Industries · NSN 6680-01-314-5849 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-314-5849 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-314-5849. Primary manufacturer part number: S1146.
Features
  • Indicator,sight,liquid — FSC 6680
  • Material: STEEL CORROSION RESISTING
  • Media for Which Designed: STEAM
  • Nominal Pipe Size for Which Designed: UNABLE TO DECODE
  • Data Furnishing Method: CLEAR WINDOW
  • Furnished Data: LIQUID LEVEL
  • Style Designator: HIGH PRESSURE, FLAT GLASS
  • 3 verified cross-references
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-314-5849, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ernst Flow Industries. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-314-5849
Primary Part NumberS1146
Item NameIndicator,sight,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerErnst Flow Industries
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Media for Which DesignedSTEAM
Nominal Pipe Size for Which DesignedUNABLE TO DECODE
Data Furnishing MethodCLEAR WINDOW
Furnished DataLIQUID LEVEL
Style DesignatorHIGH PRESSURE, FLAT GLASS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5845-00-068-724956280-1 INTERCHANGEABLE
Module,output
L3harris Technologies, Inc. Div Space and Airborne Systems
8455-00-131-6516 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-00-246-3529 INTERCHANGEABLE
Insignia,shoulder Sleeve
5930-00-259-8676V-1C-1068 INTERCHANGEABLE
Switch,thermostatic
Burling Instruments, Inc.
2990-00-770-4110A1146 INTERCHANGEABLE
Muffler
Am General Llc
5315-01-483-5613A-114-6 INTERCHANGEABLE
Pin,cotter
Hartzell Propeller Llc
8455-01-528-8856 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-664-0905 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-714-3471 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
S1146 Ernst Flow Industries (USA)
ES-1146 38.50 IN CTC Ernst Flow Industries (USA)
A1146 Ernst Flow Industries (USA)
Related Parts
5845-00-068-7249INTERCHANGEABLE
MODULE,OUTPUT
56280-1
8455-00-131-6516INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-00-246-3529INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5930-00-259-8676INTERCHANGEABLE
SWITCH,THERMOSTATIC
V-1C-1068
2990-00-770-4110INTERCHANGEABLE
MUFFLER
A1146
5315-01-483-5613INTERCHANGEABLE
PIN,COTTER
A-114-6
8455-01-528-8856INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-664-0905INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-714-3471INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 6680-01-314-5849?

NSN 6680-01-314-5849 is a Indicator,sight,liquid, manufactured by Ernst Flow Industries, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-314-5849?

NSN 6680-01-314-5849 has 3 cross-referenced part numbers: S1146 (Ernst Flow Industries), ES-1146 38.50 IN CTC (Ernst Flow Industries), A1146 (Ernst Flow Industries).

What NSN replaces 6680-01-314-5849?

There are 9 known substitutes for 6680-01-314-5849: 5845-00-068-7249, 8455-00-131-6516, 8455-00-246-3529 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S1146?

Key specifications for S1146: Material: STEEL CORROSION RESISTING; Media for Which Designed: STEAM; Nominal Pipe Size for Which Designed: UNABLE TO DECODE; Data Furnishing Method: CLEAR WINDOW. 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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