PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

155211Gage,pressure,dial Indicating

Master Gauge Co · NSN 6685-00-809-4298 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-809-4298 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-809-4298. Primary manufacturer part number: 155211.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: PLASTIC PROTECTIVE CRYSTAL
  • Material: ALUMINUM AND STEEL CASE
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SCALE RANGE,DIAL SIZE,PROTECT CRYSTAL MATERIAL AND CONNECTION SIZE
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Surface Treatment: ENAMEL CASE
  • Overall Diameter: 5.813 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-809-4298, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Master Gauge Co. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN6685-00-809-4298
Primary Part Number155211
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerMaster Gauge Co
StatusACTIVE
MaterialPLASTIC PROTECTIVE CRYSTAL
MaterialALUMINUM AND STEEL CASE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SCALE RANGE,DIAL SIZE,PROTECT CRYSTAL MATERIAL AND CONNECTION SIZE
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
Surface TreatmentENAMEL CASE
Overall Diameter5.813 INCHES NOMINAL IN
Bolt Circle Diameter5.375 INCHES NOMINAL IN
Scale TypeSINGLE
Actuation TypeSINGLE BOURDON TUBE
Connection Size1/4 IN. NPT SIZE IN
Bezel TypeSLIPS-ON
Connection LocationLOWER
Pointer TypeINDICATING
Dial Size4-1/2 IN. DIA IN
Mounting MethodSURFACE WALL
Connection TypeEXTERNAL
Scale Accuracy1 PERCENT ENTIRE RANGE
Connection Quantity1
Graduation Unit30.0 POUNDS PER SQUARE INCH LBS
Connector Type VentNOT PROVIDED
Scale Smallest Increment5.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale NamePRESSURE
Scale Inscription/background ColorBLACK FIGURES,1/8 IN. WIDE GREEN COLOR STRIPE FROM 60 TO 120 PSI,WHITE BACKGROUND IN
AdjustabilityNONADJUSTABLE
Scale Range+0.000 TO 300.000 POUNDS PRESSURE PER SQUARE INCH LBS
Pointer ColorBLACK
Mounting Hole Diameter0.218 INCHES NOMINAL IN
Mounting Hole Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-010-33763B5312 INTERCHANGEABLE
Pin,cotter
Caterpillar Inc Div Caterpillar Defense
4820-00-128-0744 INTERCHANGEABLE
Valve,gate
5910-00-243-0110 INTERCHANGEABLE
Capacitor,variable,air Dielectri
5940-00-834-64211418B-9-11 INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
6685-00-850-7070BA13XPH4RW INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-881-3052130120 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-881-3053150455XCL INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-881-3055130250 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
4730-01-008-1884049505 INTERCHANGEABLE
Fitting,lubrication
Sullair Corp
6685-01-089-8140155208 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
155211 Master Gauge Co (USA)
C5-45-2740 Edgewood Chemical Biological Center Ecbc (USA)
5801 Ametek, Inc. Div Aerospace & Defense (USA)
5001-4 1-2 1-4LM300 Ametek, Inc. Div Aerospace & Defense (USA)
C43795 Davey Compressor Co Div of Keco Industries Inc (USA)
155211 Ametek, Inc. Div Aerospace & Defense (USA)
5001 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
5315-00-010-3376INTERCHANGEABLE
PIN,COTTER
3B5312
4820-00-128-0744INTERCHANGEABLE
VALVE,GATE
5910-00-243-0110INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
5940-00-834-6421INTERCHANGEABLE
TERMINAL,STUD
1418B-9-11
6685-00-850-7070INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
BA13XPH4RW
6685-00-881-3052INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
130120
6685-00-881-3053INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
150455XCL
6685-00-881-3055INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
130250
4730-01-008-1884INTERCHANGEABLE
FITTING,LUBRICATION
049505
6685-01-089-8140INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
155208
3455-01-168-2542INTERCHANGEABLE
CUTTER,MILLING,END
41358
5930-01-257-8822INTERCHANGEABLE
SWITCH,PROXIMITY
08-6308

Frequently Asked Questions

What is NSN 6685-00-809-4298?

NSN 6685-00-809-4298 is a Gage,pressure,dial Indicating, manufactured by Master Gauge Co, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-809-4298?

NSN 6685-00-809-4298 has 7 cross-referenced part numbers: 155211 (Master Gauge Co), C5-45-2740 (Edgewood Chemical Biological Center Ecbc), 5801 (Ametek, Inc. Div Aerospace & Defense), 5001-4 1-2 1-4LM300 (Ametek, Inc. Div Aerospace & Defense), C43795 (Davey Compressor Co Div of Keco Industries Inc) and 2 more.

What NSN replaces 6685-00-809-4298?

There are 12 known substitutes for 6685-00-809-4298: 5315-00-010-3376, 4820-00-128-0744, 5910-00-243-0110 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 155211?

Key specifications for 155211: Material: PLASTIC PROTECTIVE CRYSTAL; Material: ALUMINUM AND STEEL CASE; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SCALE RANGE,DIAL SIZE,PROTECT CRYSTAL MATERIAL AND CONNECTION SIZE; FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE. 30 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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