PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16BBarometer,mercurial

Green Henry J Instruments Inc · NSN 6660-00-224-6349 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-00-224-6349 — this item is cataloged by the U.S. Government under National Stock Number 6660-00-224-6349. Primary manufacturer part number: 16B.
Features
  • Barometer,mercurial — FSC 6660
  • FSC Application Data: BAROMETER,MERCURIAL,METEOROLOGICAL
  • Graduation Unit: 0.002 INCHES AND 0.050 MILLIBARS IN
  • Thermometer Range: +0.0 TO 55.0 DEG CELSIUS AND +30.0 TO 130.0 DEG FAHRENHEIT
  • Tube Bore Diameter: 0.600 INCHES NOMINAL IN
  • Scale Range: +24.0 TO 31.3 INCHES AND +813.0 TO 1060.0 MILLIBARS IN
  • Thermometer Graduation Unit: 0.200 DEG CELSIUS AND 0.500 DEG FAHRENHEIT
  • Cistern Type: ADJUSTING SCREW
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Barometer,mercurial, cataloged under National Stock Number 6660-00-224-6349, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Green Henry J Instruments Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6660-00-224-6349
Primary Part Number16B
Item NameBarometer,mercurial
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerGreen Henry J Instruments Inc
StatusACTIVE
FSC Application DataBAROMETER,MERCURIAL,METEOROLOGICAL
Graduation Unit0.002 INCHES AND 0.050 MILLIBARS IN
Thermometer Range+0.0 TO 55.0 DEG CELSIUS AND +30.0 TO 130.0 DEG FAHRENHEIT
Tube Bore Diameter0.600 INCHES NOMINAL IN
Scale Range+24.0 TO 31.3 INCHES AND +813.0 TO 1060.0 MILLIBARS IN
Thermometer Graduation Unit0.200 DEG CELSIUS AND 0.500 DEG FAHRENHEIT
Cistern TypeADJUSTING SCREW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4310-00-146-449716B INTERCHANGEABLE
Tube Nest Assembly
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5920-00-236-8660013-1332-030 INTERCHANGEABLE
Arrester,lightning
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5140-00-293-1236 INTERCHANGEABLE
Case,twist Drill
5120-00-347-232716B INTERCHANGEABLE
Wrench,movement Bal
Horizon Aerospace Llc Dba Magnetics Division
5325-00-489-307616B INTERCHANGEABLE
Grommet,nonmetallic
Pierce-Roberts Rubber Company Dba Pierce Roberts Rubber
5999-00-549-8625 INTERCHANGEABLE
Clip,electrical
3439-00-927-0750 INTERCHANGEABLE
Flux,brazing
5365-01-152-608816B INTERCHANGEABLE
Bushing
Mth Tool Company Inc. Dba Mth Pumps
6680-01-352-566616B INTERCHANGEABLE
Glass,liquid Sight Indicator,fla
Clark-Reliance Llc Dba Jacoby-Tarbox
6520-01-532-8136612-2539 INTERCHANGEABLE
Grinding and Polishing Machine,d
Henry Schein, Inc.
Cross-Reference Index
Part NumberManufacturer
16B Green Henry J Instruments Inc (USA)
ML330FM Joint Electronics Type Designation System (USA)
ML330AFM Joint Electronics Type Designation System (USA)
Related Parts
4310-00-146-4497INTERCHANGEABLE
TUBE NEST ASSEMBLY
16B
5920-00-236-8660INTERCHANGEABLE
ARRESTER,LIGHTNING
013-1332-030
5140-00-293-1236INTERCHANGEABLE
CASE,TWIST DRILL
5120-00-347-2327INTERCHANGEABLE
WRENCH,MOVEMENT BAL
16B
5325-00-489-3076INTERCHANGEABLE
GROMMET,NONMETALLIC
16B
5999-00-549-8625INTERCHANGEABLE
CLIP,ELECTRICAL
3439-00-927-0750INTERCHANGEABLE
FLUX,BRAZING
5365-01-152-6088INTERCHANGEABLE
BUSHING
16B
6680-01-352-5666INTERCHANGEABLE
GLASS,LIQUID SIGHT INDICATOR,FLA
16B
6520-01-532-8136INTERCHANGEABLE
GRINDING AND POLISHING MACHINE,D
612-2539

Frequently Asked Questions

What is NSN 6660-00-224-6349?

NSN 6660-00-224-6349 is a Barometer,mercurial, manufactured by Green Henry J Instruments Inc, classified under FSC 6660 (No Item Name Available). Status: active.

What are the part numbers for NSN 6660-00-224-6349?

NSN 6660-00-224-6349 has 3 cross-referenced part numbers: 16B (Green Henry J Instruments Inc), ML330FM (Joint Electronics Type Designation System), ML330AFM (Joint Electronics Type Designation System).

What NSN replaces 6660-00-224-6349?

There are 10 known substitutes for 6660-00-224-6349: 4310-00-146-4497, 5920-00-236-8660, 5140-00-293-1236 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16B?

Key specifications for 16B: FSC Application Data: BAROMETER,MERCURIAL,METEOROLOGICAL; Overall Length: 48.500 INCHES NOMINAL IN; Graduation Unit: 0.002 INCHES AND 0.050 MILLIBARS IN; Thermometer Range: +0.0 TO 55.0 DEG CELSIUS AND +30.0 TO 130.0 DEG FAHRENHEIT. 10 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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