PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J5424Gage,compound Pressure-Vacuum,di

Bellofram Corporation · NSN 6685-00-544-7984 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-544-7984 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-544-7984. Primary manufacturer part number: J5424.
Features
  • Gage,compound Pressure-Vacuum,di — FSC 6685
  • Pointer Type: INDICATING
  • Connection Quantity: 1
  • Scale Accuracy: 2 PCT ENTIRE RANGE
  • Graduation Unit: 30.0 INCHES AND 30.0 POUNDS PER SQUARE INCH LBS
  • Scale Smallest Increment: 10.0 INCHES AND 5.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Unable to Decode: UNABLE TO DECODE
  • Pointer Color: BLACK
Applications
  • Applications requiring Copper Alloy Actuating Element construction
General Description

The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-544-7984, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bellofram Corporation. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-544-7984
Primary Part NumberJ5424
Item NameGage,compound Pressure-Vacuum,di
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBellofram Corporation
StatusCANCELLED
Pointer TypeINDICATING
Connection Quantity1
Scale Accuracy2 PCT ENTIRE RANGE
Graduation Unit30.0 INCHES AND 30.0 POUNDS PER SQUARE INCH LBS
Scale Smallest Increment10.0 INCHES AND 5.0 POUNDS PER SQUARE INCH (PSI) LBS
Unable to DecodeUNABLE TO DECODE
Pointer ColorBLACK
Connector Type VentNOT PROVIDED
Scale Inscription/background ColorWHITE FIGURES ON BLACK
MaterialCOPPER ALLOY ACTUATING ELEMENT
Connection LocationBACK, CENTER
Mounting MethodRIGID STEM
Surface TreatmentEPOXY CASE
Mounting Connection LocationBACK, CENTER
Connection Size0.125 IN. NPT IN
Scale Name for Which Pointer Is DesignedPRESSURE-VACUUM
AdjustabilityADJUSTABLE
Scale Range+0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 300.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale TypeMULTIPLE
Connection TypeEXTERNAL
Actuation TypeSINGLE BOURDON TUBE
Bezel TypeSLIPS-ON
Dial Size2 IN. DIA IN
Scale NamePRESSURE AND VACUUM
MaterialSTEEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
Overall Diameter2.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6685-00-531-2838256011 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5930-01-053-1060J54-24 INTERCHANGEABLE
Switch,pressure
United Electric Controls Company
5120-01-399-9621 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
J5424 PRIMARY Bellofram Corporation (USA)
75MP703 Hartford Compressors Inc (USA)
2-3DP1-8CBM30X300 Desco Corp Marsh Bellofram Div (USA)
GAG82 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
GAG82 Siemens Energy, Inc. Dba Dresser-Rand (USA)
Related Parts
6685-00-531-2838INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
256011
5930-01-053-1060INTERCHANGEABLE
SWITCH,PRESSURE
J54-24
5120-01-399-9621INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 6685-00-544-7984?

NSN 6685-00-544-7984 is a Gage,compound Pressure-Vacuum,di, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-544-7984?

NSN 6685-00-544-7984 has 5 cross-referenced part numbers: J5424 (Bellofram Corporation), 75MP703 (Hartford Compressors Inc), 2-3DP1-8CBM30X300 (Desco Corp Marsh Bellofram Div), GAG82 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), GAG82 (Siemens Energy, Inc. Dba Dresser-Rand).

What NSN replaces 6685-00-544-7984?

There are 3 known substitutes for 6685-00-544-7984: 6685-00-531-2838, 5930-01-053-1060, 5120-01-399-9621. Verify interchangeability with system specifications before substitution.

What are the specifications of J5424?

Key specifications for J5424: Pointer Type: INDICATING; Connection Quantity: 1; Scale Accuracy: 2 PCT ENTIRE RANGE; Graduation Unit: 30.0 INCHES AND 30.0 POUNDS PER SQUARE INCH LBS. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-544-7984 still in active supply?

NSN 6685-00-544-7984 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.
PartsTable Design LLC · partstable.com