PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

430Gage,pressure,dial Indicating

Bristol Babcock Inc Helicoid Instruments Div · NSN 6685-00-573-9212 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-573-9212 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-573-9212. Primary manufacturer part number: 430.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Bolt Circle Diameter: 7.000 INCHES NOMINAL IN
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SCALE NAME; DIAL SIZE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: ALUMINUM AND STEEL CASE
  • Overall Diameter: 6.500 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.281 INCHES NOMINAL IN
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-573-9212, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bristol Babcock Inc Helicoid Instruments Div. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-573-9212
Primary Part Number430
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBristol Babcock Inc Helicoid Instruments Div
StatusCANCELLED
Bolt Circle Diameter7.000 INCHES NOMINAL IN
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SCALE NAME; DIAL SIZE
MaterialGLASS PROTECTIVE CRYSTAL
MaterialALUMINUM AND STEEL CASE
Overall Diameter6.500 INCHES NOMINAL IN
Mounting Hole Diameter0.281 INCHES NOMINAL IN
Mounting Hole Quantity3
Connection Size0.250 IN. NPT DIA IN
Connection LocationLOWER BACK
Pointer TypeINDICATING AND REFERENCE
Scale Range+0.000 TO 300.000 POUNDS PRESSURE PER SQUARE INCH LBS
Connector Type VentNOT PROVIDED
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection TypeEXTERNAL
Mounting MethodFLUSH
Actuation TypeSINGLE BOURDON TUBE
Dial Size6 IN. DIA IN
Bezel TypeSNAP-ON
AdjustabilityADJUSTABLE
Pointer ColorBLACK AND RED
Scale AccuracyPORM 1/2 OF 1 PCT ACCURACY RATING ENTIRE RANGE
Scale Smallest Increment2.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale TypeSINGLE
Graduation Unit50.0 POUNDS PER SQUARE INCH LBS
Scale NamePRESSURE
Connection Quantity1
Material Document and ClassificationQQ-S-624, COMP 4130 FED SPEC SINGLE MATERIAL RESPONSE ACTUATING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6685-00-054-3950F3D2H7A00034UAA INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-068-344645-1377BS02B600 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-123-2552 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-411-2366 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-542-1743 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-822-692345-1377RS-02B-200 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6220-01-260-3504 INTERCHANGEABLE
Stop Light-Taillight,vehicular
6605-01-447-4851430-R INTERCHANGEABLE
Syringe
Ok International Div Semtronics
Cross-Reference Index
Part NumberManufacturer
430 Bristol Babcock Inc Helicoid Instruments Div (USA)
430R Bristol Babcock Inc Helicoid Instruments Div (USA)
Related Parts
6685-00-054-3950INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
F3D2H7A00034UAA
6685-00-068-3446INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377BS02B600
6685-00-123-2552INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-411-2366INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-542-1743INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-822-6923INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377RS-02B-200
6220-01-260-3504INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
6605-01-447-4851INTERCHANGEABLE
SYRINGE
430-R

Frequently Asked Questions

What is NSN 6685-00-573-9212?

NSN 6685-00-573-9212 is a Gage,pressure,dial Indicating, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-573-9212?

NSN 6685-00-573-9212 has 2 cross-referenced part numbers: 430 (Bristol Babcock Inc Helicoid Instruments Div), 430R (Bristol Babcock Inc Helicoid Instruments Div).

What NSN replaces 6685-00-573-9212?

There are 8 known substitutes for 6685-00-573-9212: 6685-00-054-3950, 6685-00-068-3446, 6685-00-123-2552 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 430?

Key specifications for 430: Bolt Circle Diameter: 7.000 INCHES NOMINAL IN; FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SCALE NAME; DIAL SIZE; Material: GLASS PROTECTIVE CRYSTAL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-573-9212 still in active supply?

NSN 6685-00-573-9212 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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