PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

348-2Float,switch,liquid Level

Ernst Flow Industries Llc Div Ernst Flow Industries · NSN 6680-01-630-5456 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-630-5456 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-630-5456. Primary manufacturer part number: 348-2.
Features
  • Float,switch,liquid Level — FSC 6680
  • Overall Diameter: 1.91 INCHES NOMINAL IN
  • Shape: CYLINDRICAL
  • 1 verified cross-reference
  • Primary manufacturer: Ernst Flow Industries Llc Div Ernst Flow Industries
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Float,switch,liquid Level, cataloged under National Stock Number 6680-01-630-5456, 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 Llc Div Ernst Flow Industries. Government technical data includes 2 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-630-5456
Primary Part Number348-2
Item NameFloat,switch,liquid Level
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerErnst Flow Industries Llc Div Ernst Flow Industries
StatusACTIVE
Overall Diameter1.91 INCHES NOMINAL IN
ShapeCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5120-00-032-9554 INTERCHANGEABLE
Holder
5945-00-201-7824A13-2 INTERCHANGEABLE
Relay,electromagnetic
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
6145-00-246-24241741C INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
6665-00-330-49813482 INTERCHANGEABLE
Filter,lens,radiac
Corning Glass Works
5331-00-580-65822-160N674-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
3020-01-137-05363482 INTERCHANGEABLE
Sprocket
Columbia Machine Inc
4730-01-491-88111894A INTERCHANGEABLE
Plug,pipe
R.w. Fernstrum & Company
5985-01-682-73003482 INTERCHANGEABLE
Attenuator,variable
General Microwave Corporation Div Kratos Microwave Electronics
Cross-Reference Index
Part NumberManufacturer
348-2 PRIMARY Ernst Flow Industries Llc Div Ernst Flow Industries (USA)
Related Parts
5120-00-032-9554INTERCHANGEABLE
HOLDER
5945-00-201-7824INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
A13-2
6145-00-246-2424INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
1741C
6665-00-330-4981INTERCHANGEABLE
FILTER,LENS,RADIAC
3482
5331-00-580-6582INTERCHANGEABLE
O-RING
2-160N674-70
3020-01-137-0536INTERCHANGEABLE
SPROCKET
3482
4730-01-491-8811INTERCHANGEABLE
PLUG,PIPE
1894A
5985-01-682-7300INTERCHANGEABLE
ATTENUATOR,VARIABLE
3482

Frequently Asked Questions

What is NSN 6680-01-630-5456?

NSN 6680-01-630-5456 is a Float,switch,liquid Level, manufactured by Ernst Flow Industries Llc Div Ernst Flow Industries, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-630-5456?

NSN 6680-01-630-5456 has 1 cross-referenced part number: 348-2 (Ernst Flow Industries Llc Div Ernst Flow Industries).

What NSN replaces 6680-01-630-5456?

There are 8 known substitutes for 6680-01-630-5456: 5120-00-032-9554, 5945-00-201-7824, 6145-00-246-2424 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 348-2?

Key specifications for 348-2: Special Features: TEMP RATING:300F,PRESSURE AT 40F:500; Overall Diameter: 1.91 INCHES NOMINAL IN; Shape: CYLINDRICAL; Overall Length: 2.19 INCHES NOMINAL IN. 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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