PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B2249Manometer,u-Tube

Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument · NSN 6685-00-921-1040 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-921-1040 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-921-1040. Primary manufacturer part number: B2249.
Features
  • Manometer,u-Tube — FSC 6685
  • Scale Smallest Increment: 0.1 INCHES IN
  • Scale Range: +0.0 TO 10.0 INCHES IN
  • Mounting Provision for Which Designed: FLUSH FLANGE
  • Accessory Components and Quantity: SHIPPED W/1/2 PINT OF FLUID
  • Equalizing Valve: NOT PROVIDED
  • Connection Facility Type: INTERNAL
  • Mounting Type: BASE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Manometer,u-Tube, cataloged under National Stock Number 6685-00-921-1040, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-921-1040
Primary Part NumberB2249
Item NameManometer,u-Tube
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerScott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument
StatusACTIVE
Scale Smallest Increment0.1 INCHES IN
Scale Range+0.0 TO 10.0 INCHES IN
Mounting Provision for Which DesignedFLUSH FLANGE
Accessory Components and QuantitySHIPPED W/1/2 PINT OF FLUID
Equalizing ValveNOT PROVIDED
Connection Facility TypeINTERNAL
Mounting TypeBASE
Connection TypeTHREADED
Connection LocationUPPER LEFT SIDE AND UPPER RIGHT HAND SIDE
Indicator TypeONE LIQUID
Zero AdjusterNOT PROVIDED
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Thread Size and Series/type Designator1/4 NPT
Indicating LiquidPROVIDED
Control ValveNOT PROVIDED
Parallax Eliminating FeatureNOT PROVIDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-069-975517540P INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5940-00-109-259710238 INTERCHANGEABLE
Terminal Board
Cae Usa Inc.
3110-00-117-134710238 INTERCHANGEABLE
Bearing,roller,needle
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
5910-00-164-751810238 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cd Snow Hill, Llc
5133-00-227-5965 INTERCHANGEABLE
Drill,twist
5930-00-399-776410238 INTERCHANGEABLE
Switch,rotary
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5910-00-403-8872 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
6685-00-841-5158 INTERCHANGEABLE
Manometer,u-Tube
6515-01-234-8950 INTERCHANGEABLE
Hip Screw Instrument Set
5962-01-262-7131 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
B2249 PRIMARY Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
10AA25FF10 PRIMARY Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
924BB PRIMARY Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA)
100-SS-FF-10H-B175-1/2PT Dynatech Frontier Corp Sub of Dynatech Corp (USA)
SCD10238 Celtech Corporation Div Use CAGE 65552 for All Orders (USA)
10238 PRIMARY Celtech Corporation Div Use CAGE 65552 for All Orders (USA)
Related Parts
4320-00-069-9755INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
17540P
5940-00-109-2597INTERCHANGEABLE
TERMINAL BOARD
10238
3110-00-117-1347INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
10238
5910-00-164-7518INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
10238
5133-00-227-5965INTERCHANGEABLE
DRILL,TWIST
5930-00-399-7764INTERCHANGEABLE
SWITCH,ROTARY
10238
5910-00-403-8872INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
6685-00-841-5158INTERCHANGEABLE
MANOMETER,U-TUBE
6515-01-234-8950INTERCHANGEABLE
HIP SCREW INSTRUMENT SET
5962-01-262-7131INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
7510-01-441-7500INTERCHANGEABLE
BINDER,LOOSE-LEAF
6665-01-444-5626INTERCHANGEABLE
HOLDER,GAS DETECTOR
10-238

Frequently Asked Questions

What is NSN 6685-00-921-1040?

NSN 6685-00-921-1040 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 6685-00-921-1040?

NSN 6685-00-921-1040 has 6 cross-referenced part numbers: B2249 (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument), 10AA25FF10 (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument), 924BB (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument), 100-SS-FF-10H-B175-1/2PT (Dynatech Frontier Corp Sub of Dynatech Corp), SCD10238 (Celtech Corporation Div Use CAGE 65552 for All Orders) and 1 more.

What NSN replaces 6685-00-921-1040?

There are 12 known substitutes for 6685-00-921-1040: 4320-00-069-9755, 5940-00-109-2597, 3110-00-117-1347 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B2249?

Key specifications for B2249: Scale Smallest Increment: 0.1 INCHES IN; Scale Range: +0.0 TO 10.0 INCHES IN; Mounting Provision for Which Designed: FLUSH FLANGE; Accessory Components and Quantity: SHIPPED W/1/2 PINT OF FLUID. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com