PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

430RGage,pressure,dial Indicating

Bristol Babcock Inc Helicoid Instruments Div · NSN 6685-00-123-2552 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-123-2552 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-123-2552. Primary manufacturer part number: 430R.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Overall Diameter: 5.812 INCHES NOMINAL IN
  • Connector Type Vent: NOT PROVIDED
  • Connection Location: BACK
  • Scale Accuracy: 1/2 PCT ENTIRE RANGE
  • Actuation Type: SINGLE BOURDON TUBE
  • Scale Name: PRESSURE
  • Scale Type: SINGLE
Applications
  • Applications requiring Steel Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-123-2552, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-123-2552
Primary Part Number430R
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBristol Babcock Inc Helicoid Instruments Div
StatusCANCELLED
Overall Diameter5.812 INCHES NOMINAL IN
Connector Type VentNOT PROVIDED
Connection LocationBACK
Scale Accuracy1/2 PCT ENTIRE RANGE
Actuation TypeSINGLE BOURDON TUBE
Scale NamePRESSURE
Scale TypeSINGLE
Pointer ColorBLACK
Graduation Unit50.0 POUNDS PER SQUARE INCH LBS
Scale Smallest Increment5.0 POUNDS PER SQUARE INCH (PSI) LBS
Pointer TypeINDICATING
Scale Range+0.0 TO 400.0 POUNDS PRESSURE PER SQUARE INCH LBS
AdjustabilityADJUSTABLE
Dial Size4-1/2 IN. DIA IN
Connection Quantity1
Connection Size0.250 IN. NPT DIA IN
MaterialSTEEL ACTUATING ELEMENT
Bolt Circle Diameter5.375 INCHES NOMINAL IN
MaterialALUMINUM CASE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Mounting MethodFLUSH PANEL
Mounting Hole Quantity3
Mounting Hole Diameter0.218 INCHES NOMINAL IN
MaterialGLASS PROTECTIVE CRYSTAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
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
6685-00-411-2366 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-435-9267AA446PH4RW INTERCHANGEABLE
Gage,pressure,dial Indicating
Weksler Glass Thermometer Corp
6685-00-542-086645-1377SS02B600 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-542-1743 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-573-9212 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-684-14946799094-840 INTERCHANGEABLE
Gage,pressure,dial Indicating
Allison Transmission Inc Dba Allison Transmission, Inc
6685-00-822-692345-1377RS-02B-200 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-905-560145-1377BS02B1000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
Cross-Reference Index
Part NumberManufacturer
430R Bristol Babcock Inc Helicoid Instruments Div (USA)
U536118 Triumph Thermal Systems, Llc (USA)
176F33F Liftec Inc Div Liftec, Inc. (USA)
1913 Ametek, Inc. Div Aerospace & Defense (USA)
19648-1 Ametek, Inc. Div Aerospace & Defense (USA)
1377B Ashcroft Inc Dba Heise (USA)
AA346PK4RW Weksler Glass Thermometer Corp (USA)
1YBF23177ATA460 Desco Corp Marsh Bellofram Div (USA)
4 1-2 430RH0-400 Bristol Babcock Inc Helicoid Instruments Div (USA)
1YBF23177ATA460 Bellofram Corporation (USA)
Related Parts
6685-00-054-3950INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
F3D2H7A00034UAA
6685-00-068-3446INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377BS02B600
6685-00-411-2366INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-435-9267INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA446PH4RW
6685-00-542-0866INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377SS02B600
6685-00-542-1743INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-573-9212INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-684-1494INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6799094-840
6685-00-822-6923INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377RS-02B-200
6685-00-905-5601INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377BS02B1000
6220-01-260-3504INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
6605-01-447-4851INTERCHANGEABLE
SYRINGE
430-R

Frequently Asked Questions

What is NSN 6685-00-123-2552?

NSN 6685-00-123-2552 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 6685-00-123-2552?

NSN 6685-00-123-2552 has 10 cross-referenced part numbers: 430R (Bristol Babcock Inc Helicoid Instruments Div), U536118 (Triumph Thermal Systems, Llc), 176F33F (Liftec Inc Div Liftec, Inc.), 1913 (Ametek, Inc. Div Aerospace & Defense), 19648-1 (Ametek, Inc. Div Aerospace & Defense) and 5 more.

What NSN replaces 6685-00-123-2552?

There are 12 known substitutes for 6685-00-123-2552: 6685-00-054-3950, 6685-00-068-3446, 6685-00-411-2366 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 430R?

Key specifications for 430R: Overall Diameter: 5.812 INCHES NOMINAL IN; Connector Type Vent: NOT PROVIDED; Connection Location: BACK; Scale Accuracy: 1/2 PCT ENTIRE RANGE. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-123-2552 still in active supply?

NSN 6685-00-123-2552 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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