PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10AA25TM-50Manometer,u-Tube

Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument · NSN 6685-00-566-8673 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-566-8673 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-566-8673. Primary manufacturer part number: 10AA25TM-50.
Features
  • Manometer,u-Tube — FSC 6685
  • Zero Adjuster: NOT PROVIDED
  • Indicator Type: ONE LIQUID
  • Tubing Outside Diameter: 0.438 INCHES NOMINAL IN
  • Parallax Eliminating Feature: NOT PROVIDED
  • Indicating Liquid: NOT PROVIDED
  • Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Indicating Liquid for Which Designed: ANY ACCEPTABLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Manometer,u-Tube, cataloged under National Stock Number 6685-00-566-8673, 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 11 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-566-8673
Primary Part Number10AA25TM-50
Item NameManometer,u-Tube
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerScott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
StatusACTIVE
Zero AdjusterNOT PROVIDED
Indicator TypeONE LIQUID
Tubing Outside Diameter0.438 INCHES NOMINAL IN
Parallax Eliminating FeatureNOT PROVIDED
Indicating LiquidNOT PROVIDED
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Indicating Liquid for Which DesignedANY ACCEPTABLE
Scale Smallest Increment1.000 INCHES IN
Equalizing ValveNOT PROVIDED
Scale Range+20.0 TO 50.0 POUNDS PER SQUARE INCH LBS
Control ValveNOT PROVIDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6685-00-527-7262 INTERCHANGEABLE
Manometer,u-Tube
6685-00-536-9243 INTERCHANGEABLE
Manometer,u-Tube
6685-00-601-598210AA25WM6 SCALE A INTERCHANGEABLE
Manometer,u-Tube
Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
6685-00-813-5527ZS10AA25WM15 INTERCHANGEABLE
Manometer,u-Tube
Western/scott Fetzer Company
6685-00-848-635310AA25WM20 INTERCHANGEABLE
No Item Name Available
Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
5305-01-122-0254 INTERCHANGEABLE
Screw,cap,hexagon Head
5995-01-530-4220B1103 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Lockheed Martin Corporation Div Rms - Manassas
Cross-Reference Index
Part NumberManufacturer
10AA25TM-50 PRIMARY Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
B-1103 Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
10AA25TM Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
Related Parts
6685-00-527-7262INTERCHANGEABLE
MANOMETER,U-TUBE
6685-00-536-9243INTERCHANGEABLE
MANOMETER,U-TUBE
6685-00-601-5982INTERCHANGEABLE
MANOMETER,U-TUBE
10AA25WM6 SCALE A
6685-00-813-5527INTERCHANGEABLE
MANOMETER,U-TUBE
ZS10AA25WM15
6685-00-848-6353INTERCHANGEABLE
NO ITEM NAME AVAILABLE
10AA25WM20
5305-01-122-0254INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5995-01-530-4220INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
B1103

Frequently Asked Questions

What is NSN 6685-00-566-8673?

NSN 6685-00-566-8673 is a Manometer,u-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 6685-00-566-8673?

NSN 6685-00-566-8673 has 3 cross-referenced part numbers: 10AA25TM-50 (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument), B-1103 (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument), 10AA25TM (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument).

What NSN replaces 6685-00-566-8673?

There are 7 known substitutes for 6685-00-566-8673: 6685-00-527-7262, 6685-00-536-9243, 6685-00-601-5982 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10AA25TM-50?

Key specifications for 10AA25TM-50: Zero Adjuster: NOT PROVIDED; Indicator Type: ONE LIQUID; Tubing Outside Diameter: 0.438 INCHES NOMINAL IN; Parallax Eliminating Feature: NOT PROVIDED. 11 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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