PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W0020Gage,pressure,dial Indicating

Bellofram Corporation · NSN 6685-00-125-9888 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-125-9888 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-125-9888. Primary manufacturer part number: W0020.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Connection Size: 0.250 IN. NPT DIA IN
  • Connector Type Vent: NOT PROVIDED
  • Bezel Type: SLIPS-ON
  • Surface Treatment: PAINT EPOXY CASE
  • Material: COPPER ALLOY ACTUATING ELEMENT
  • Material: GLASS PROTECTIVE CRYSTAL
  • Overall Diameter: 2.781 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-125-9888, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-125-9888
Primary Part NumberW0020
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBellofram Corporation
StatusCANCELLED
Connection Size0.250 IN. NPT DIA IN
Connector Type VentNOT PROVIDED
Bezel TypeSLIPS-ON
Surface TreatmentPAINT EPOXY CASE
MaterialCOPPER ALLOY ACTUATING ELEMENT
MaterialGLASS PROTECTIVE CRYSTAL
Overall Diameter2.781 INCHES NOMINAL IN
ColorBLACK CASE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Mounting MethodRIGID STEM
Pointer ColorBLACK
Scale Range+0.000 TO 400.000 POUNDS PRESSURE PER SQUARE INCH AND -40.000 TO 150.000 DEG FAHRENHEIT LBS
AdjustabilityNONADJUSTABLE
Pointer TypeINDICATING
Scale TypeSINGLE
Actuation TypeBOURDON TUBE
Dial Size2-1/2 IN. DIA IN
Scale Smallest Increment2.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale NamePRESSURE
Connection Quantity1
Unable to DecodeUNABLE TO DECODE
Graduation Unit10.0 POUNDS PER SQUARE INCH LBS
Connection LocationBOTTOM
MaterialSTEEL CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
7510-00-173-6631WR9300 INTERCHANGEABLE
Ribbon,inking
Tsrc, Inc. Dba Frank Parsons Co. - the Supply Room Div Federal Solutions Group
5315-01-383-025502350-1 INTERCHANGEABLE
Pin,tapered,threaded
Defense Logistics Agency Dba Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
W0020 Bellofram Corporation (USA)
W0020 Desco Corp Marsh Bellofram Div (USA)
023501 Bellofram Corporation (USA)
67A77D172-2 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
67A77D172-2 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
023501 Desco Corp Marsh Bellofram Div (USA)
Related Parts
7510-00-173-6631INTERCHANGEABLE
RIBBON,INKING
WR9300
5315-01-383-0255INTERCHANGEABLE
PIN,TAPERED,THREADED
02350-1

Frequently Asked Questions

What is NSN 6685-00-125-9888?

NSN 6685-00-125-9888 is a Gage,pressure,dial Indicating, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-125-9888?

NSN 6685-00-125-9888 has 6 cross-referenced part numbers: W0020 (Bellofram Corporation), W0020 (Desco Corp Marsh Bellofram Div), 023501 (Bellofram Corporation), 67A77D172-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 67A77D172-2 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems) and 1 more.

What NSN replaces 6685-00-125-9888?

There are 2 known substitutes for 6685-00-125-9888: 7510-00-173-6631, 5315-01-383-0255. Verify interchangeability with system specifications before substitution.

What are the specifications of W0020?

Key specifications for W0020: Connection Size: 0.250 IN. NPT DIA IN; Overall Depth: 1.266 INCHES NOMINAL IN; Connector Type Vent: NOT PROVIDED; Bezel Type: SLIPS-ON. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-125-9888 still in active supply?

NSN 6685-00-125-9888 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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