PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30EB25TM30Manometer,vertical Tube

Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument · NSN 6685-00-726-8146 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-726-8146 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-726-8146. Primary manufacturer part number: 30EB25TM30.
Features
  • Manometer,vertical Tube — FSC 6685
  • Equalizing Valve: NOT PROVIDED
  • Receptacle Type: WELL
  • Scale Range: +0.000 TO 30.000 INCHES IN
  • Indicating Liquid for Which Designed: MERCURY
  • Connection Type: THREADED
  • Thread Size and Series/type Designator: 0.250-18 NPT
  • Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Manometer,vertical Tube, cataloged under National Stock Number 6685-00-726-8146, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument. Government technical data includes 15 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-726-8146
Primary Part Number30EB25TM30
Item NameManometer,vertical Tube
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerScott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
StatusACTIVE
Equalizing ValveNOT PROVIDED
Receptacle TypeWELL
Scale Range+0.000 TO 30.000 INCHES IN
Indicating Liquid for Which DesignedMERCURY
Connection TypeTHREADED
Thread Size and Series/type Designator0.250-18 NPT
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Control ValveNOT PROVIDED
Scale Smallest Increment0.100 INCHES IN
Connection Facility TypeINTERNAL
Zero AdjusterPROVIDED
Mounting Provision for Which DesignedBASE
Parallax Eliminating FeatureNOT PROVIDED
Indicating LiquidNOT PROVIDED
Connection LocationTOP AND UPPER BACK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6685-00-526-5320Z30EBX25-100 INTERCHANGEABLE
Manometer,vertical Tube
Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
6685-00-526-571130EBX25-TM-30 INTERCHANGEABLE
Manometer,vertical Tube
Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
Cross-Reference Index
Part NumberManufacturer
30EB25TM30 PRIMARY Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
A203TM Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
30EB25TM Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
Related Parts
6685-00-526-5320INTERCHANGEABLE
MANOMETER,VERTICAL TUBE
Z30EBX25-100
6685-00-526-5711INTERCHANGEABLE
MANOMETER,VERTICAL TUBE
30EBX25-TM-30

Frequently Asked Questions

What is NSN 6685-00-726-8146?

NSN 6685-00-726-8146 is a Manometer,vertical Tube, manufactured by Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-726-8146?

NSN 6685-00-726-8146 has 3 cross-referenced part numbers: 30EB25TM30 (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument), A203TM (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument), 30EB25TM (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument).

What NSN replaces 6685-00-726-8146?

There are 2 known substitutes for 6685-00-726-8146: 6685-00-526-5320, 6685-00-526-5711. Verify interchangeability with system specifications before substitution.

What are the specifications of 30EB25TM30?

Key specifications for 30EB25TM30: Equalizing Valve: NOT PROVIDED; Receptacle Type: WELL; Scale Range: +0.000 TO 30.000 INCHES IN; Indicating Liquid for Which Designed: MERCURY. 15 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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