PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

309-049Gage,pressure,dial Indicating

Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc · NSN 6685-00-951-5419 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-951-5419 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-951-5419. Primary manufacturer part number: 309-049.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Bolt Circle Diameter: 7.000 INCHES NOMINAL IN
  • Overall Diameter: 7.718 INCHES NOMINAL IN
  • Material: STEEL COMP 403 ACTUATING ELEMENT
  • Material: ALUMINUM AND STEEL CASE
  • Surface Treatment: ENAMEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Pointer Color: BLACK AND RED
Applications
  • Applications requiring Steel Comp 403 Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-951-5419, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-951-5419
Primary Part Number309-049
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerJaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
StatusCANCELLED
Bolt Circle Diameter7.000 INCHES NOMINAL IN
Overall Diameter7.718 INCHES NOMINAL IN
MaterialSTEEL COMP 403 ACTUATING ELEMENT
MaterialALUMINUM AND STEEL CASE
Surface TreatmentENAMEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
Pointer ColorBLACK AND RED
Actuation TypeSINGLE BOURDON TUBE
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
Connection Quantity1
Connection LocationBACK, LOWER
Scale NamePRESSURE
Connection TypeINTERNAL
Dial Size6 IN. DIA IN
Graduation Unit500.0 POUNDS PER SQUARE INCH LBS
Scale Range+0.0 TO 6000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connector Type VentNOT PROVIDED
AdjustabilityADJUSTABLE
Bezel TypeHINGE
Mounting MethodFLUSH PANEL
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Pointer TypeINDICATING
Scale TypeSINGLE
Connection Size0.438 IN. UNF IN
Scale Smallest Increment50.0 POUNDS PER SQUARE INCH (PSI) LBS
Mounting Hole Diameter0.281 INCHES NOMINAL IN
Mounting Hole Quantity3
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6685-00-004-7030E3P3K3A0L0000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
4820-00-083-380213026-1 INTERCHANGEABLE
Valve Assembly
Saf Industries Llc Dba Saf Industries Llc Div Garkenyon
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
5360-00-514-0171130261 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace, Llc Dba Jackson South
6685-00-542-1742 INTERCHANGEABLE
Gage,pressure,dial Indicating
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
5905-00-805-28415021-153 INTERCHANGEABLE
Resistor,fixed,film
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
1913 Ametek, Inc. Div Aerospace & Defense (USA)
1818 Ametek, Inc. Div Aerospace & Defense (USA)
1-WBH-58170-ATC-001 Desco Corp Marsh Bellofram Div (USA)
309-044 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
309-045 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
309-049 PRIMARY Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
130261 Ametek, Inc. Div Aerospace & Defense (USA)
430L Bristol Babcock Inc Helicoid Instruments Div (USA)
Related Parts
6685-00-004-7030INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
E3P3K3A0L0000
4820-00-083-3802INTERCHANGEABLE
VALVE ASSEMBLY
13026-1
6685-00-117-5348INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-150-6790INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-430-1/2L-0/4000
5360-00-514-0171INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
130261
6685-00-542-1742INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
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
5905-00-805-2841INTERCHANGEABLE
RESISTOR,FIXED,FILM
5021-153
6685-00-815-1809INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
F3E6J1A0W0000
6685-00-833-6077INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
HD290

Frequently Asked Questions

What is NSN 6685-00-951-5419?

NSN 6685-00-951-5419 is a Gage,pressure,dial Indicating, manufactured by Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-951-5419?

NSN 6685-00-951-5419 has 8 cross-referenced part numbers: 1913 (Ametek, Inc. Div Aerospace & Defense), 1818 (Ametek, Inc. Div Aerospace & Defense), 1-WBH-58170-ATC-001 (Desco Corp Marsh Bellofram Div), 309-044 (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc), 309-045 (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc) and 3 more.

What NSN replaces 6685-00-951-5419?

There are 12 known substitutes for 6685-00-951-5419: 6685-00-004-7030, 4820-00-083-3802, 6685-00-117-5348 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 309-049?

Key specifications for 309-049: Bolt Circle Diameter: 7.000 INCHES NOMINAL IN; Overall Diameter: 7.718 INCHES NOMINAL IN; Material: STEEL COMP 403 ACTUATING ELEMENT; Material: ALUMINUM AND STEEL CASE. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-951-5419 still in active supply?

NSN 6685-00-951-5419 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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