PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E3P3K3A0L0000Gage,pressure,dial Indicating

Bristol Babcock Inc Helicoid Instruments Div · NSN 6685-00-004-7030 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-004-7030 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-004-7030. Primary manufacturer part number: E3P3K3A0L0000.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: STEEL CORROSION RESISTING CASE
  • Connection Size: 0.250 IN. NPT IN
  • Mounting Method: FLUSH PANEL
  • Scale Inscription/background Color: BLACK MARKINGS ON WHITE BACKGROUND
  • Connection Location: BACK, LOWER
  • Scale Accuracy: PORM 1/2 OF 1 PCT ENTIRE RANGE
  • Surface Treatment: ENAMEL BAKED CASE
Applications
  • Applications requiring Steel Corrosion Resisting Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-004-7030, 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 4 commercial cross-references from 2 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
NSN6685-00-004-7030
Primary Part NumberE3P3K3A0L0000
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBristol Babcock Inc Helicoid Instruments Div
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING CASE
Connection Size0.250 IN. NPT IN
Mounting MethodFLUSH PANEL
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Connection LocationBACK, LOWER
Scale AccuracyPORM 1/2 OF 1 PCT ENTIRE RANGE
Surface TreatmentENAMEL BAKED CASE
Connector Type VentNOT PROVIDED
Bezel TypeSNAP-ON
MaterialGLASS PROTECTIVE CRYSTAL
Overall Diameter4.125 INCHES NOMINAL IN
Pointer TypeINDICATING
Graduation Unit1000.0 POUNDS PER SQUARE INCH LBS
AdjustabilityNONADJUSTABLE
Dial Size3-1/2 IN. DIA IN
Connection Quantity1
Unable to DecodeUNABLE TO DECODE
Scale TypeSINGLE
Pointer ColorBLACK
Scale Smallest Increment100.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale NamePRESSURE
Scale Range+0.0 TO 10000.0 POUNDS PRESSURE PER SQUARE INCH LBS
MaterialSTEEL ACTUATING ELEMENT
Actuation TypeBOURDON TUBE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
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
6685-00-542-1742 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-623-92131YBH58177ATA INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-699-5573 INTERCHANGEABLE
Gage,absolute Pressure,dial Indi
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
Cross-Reference Index
Part NumberManufacturer
E3P3K3A0L0000 PRIMARY Bristol Babcock Inc Helicoid Instruments Div (USA)
430L Bristol Babcock Inc Helicoid Instruments Div (USA)
430RF Bristol Babcock Inc Helicoid Instruments Div (USA)
D10004-43 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
Related Parts
6685-00-117-5348INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-150-6790INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-430-1/2L-0/4000
6685-00-542-1742INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-623-9213INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
1YBH58177ATA
6685-00-699-5573INTERCHANGEABLE
GAGE,ABSOLUTE PRESSURE,DIAL INDI
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 6685-00-004-7030?

NSN 6685-00-004-7030 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 6685-00-004-7030?

NSN 6685-00-004-7030 has 4 cross-referenced part numbers: E3P3K3A0L0000 (Bristol Babcock Inc Helicoid Instruments Div), 430L (Bristol Babcock Inc Helicoid Instruments Div), 430RF (Bristol Babcock Inc Helicoid Instruments Div), D10004-43 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company).

What NSN replaces 6685-00-004-7030?

There are 12 known substitutes for 6685-00-004-7030: 6685-00-117-5348, 6685-00-150-6790, 6685-00-542-1742 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E3P3K3A0L0000?

Key specifications for E3P3K3A0L0000: Material: STEEL CORROSION RESISTING CASE; Connection Size: 0.250 IN. NPT IN; Mounting Method: FLUSH PANEL; Scale Inscription/background Color: BLACK MARKINGS ON WHITE BACKGROUND. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-004-7030 still in active supply?

NSN 6685-00-004-7030 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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