PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

430L0-4000PSI6INCHDIALGage,pressure,dial Indicating

Bristol Babcock Inc Helicoid Instruments Div · NSN 6685-00-542-1742 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-542-1742 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-542-1742. Primary manufacturer part number: 430L0-4000PSI6INCHDIAL.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: GLASS PROTECTIVE CRYSTAL
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Overall Diameter: 6.500 INCHES NOMINAL IN
  • Material: STEEL ACTUATING ELEMENT
  • Mounting Hole Diameter: 0.250 INCHES NOMINAL IN
  • Pointer Type: INDICATING
  • Adjustability: ADJUSTABLE
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-542-1742, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-542-1742
Primary Part Number430L0-4000PSI6INCHDIAL
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBristol Babcock Inc Helicoid Instruments Div
StatusACTIVE
MaterialGLASS PROTECTIVE CRYSTAL
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Overall Diameter6.500 INCHES NOMINAL IN
MaterialSTEEL ACTUATING ELEMENT
Mounting Hole Diameter0.250 INCHES NOMINAL IN
Pointer TypeINDICATING
AdjustabilityADJUSTABLE
Stud LocationBACK
Stud Quantity3
Graduation Unit400.0 POUNDS PER SQUARE INCH LBS
Scale Smallest Increment25.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection Quantity1
Mounting MethodFLUSH PANEL AND STUD(S)
Pointer ColorBLACK
Connection Size0.438 IN. TUBE IN
Actuation TypeSINGLE BOURDON TUBE
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
Connection LocationBACK
Bolt Circle Diameter7.000 INCHES NOMINAL IN
Scale TypeSINGLE
Scale NamePRESSURE
Bezel TypeSNAP-ON
Connector Type VentNOT PROVIDED
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection TypeINTERNAL
Scale Range+0.0 TO 4000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Dial Size6 IN. DIA IN
Mounting Hole Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6685-00-004-7030E3P3K3A0L0000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-117-5348 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-150-679045-430-1/2L-0/4000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-623-92131YBH58177ATA INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-720-2653HD-130 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-720-2960E3P4J5A1Q0000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-815-1809F3E6J1A0W0000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-833-6077HD290 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-843-4956 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-951-5419309-049 INTERCHANGEABLE
Gage,pressure,dial Indicating
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
Cross-Reference Index
Part NumberManufacturer
430L0-4000PSI6INCHDIAL Bristol Babcock Inc Helicoid Instruments Div (USA)
430L Bristol Babcock Inc Helicoid Instruments Div (USA)
9081194 Us Army Aviation and Missile Command (USA)
430L0-4000PSI6INCHDIAL Acco Industries Inc Sub of Babcock Intl Inc (USA)
Related Parts
6685-00-004-7030INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
E3P3K3A0L0000
6685-00-117-5348INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-150-6790INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-430-1/2L-0/4000
6685-00-623-9213INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
1YBH58177ATA
6685-00-720-2653INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
HD-130
6685-00-720-2960INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
E3P4J5A1Q0000
6685-00-815-1809INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
F3E6J1A0W0000
6685-00-833-6077INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
HD290
6685-00-843-4956INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-951-5419INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
309-049
6685-00-973-4662INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 6685-00-542-1742?

NSN 6685-00-542-1742 is a Gage,pressure,dial Indicating, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-542-1742?

NSN 6685-00-542-1742 has 4 cross-referenced part numbers: 430L0-4000PSI6INCHDIAL (Bristol Babcock Inc Helicoid Instruments Div), 430L (Bristol Babcock Inc Helicoid Instruments Div), 9081194 (Us Army Aviation and Missile Command), 430L0-4000PSI6INCHDIAL (Acco Industries Inc Sub of Babcock Intl Inc).

What NSN replaces 6685-00-542-1742?

There are 11 known substitutes for 6685-00-542-1742: 6685-00-004-7030, 6685-00-117-5348, 6685-00-150-6790 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 430L0-4000PSI6INCHDIAL?

Key specifications for 430L0-4000PSI6INCHDIAL: Material: GLASS PROTECTIVE CRYSTAL; FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE; Overall Diameter: 6.500 INCHES NOMINAL IN; Material: STEEL ACTUATING ELEMENT. 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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