PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GC625Gage,pressure,dial Indicating

Dixon Valve & Coupling Co · NSN 6685-01-558-3125 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-558-3125 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-558-3125. Primary manufacturer part number: GC625.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: BRONZE ACTUATING ELEMENT
  • Material: PLASTIC CASE
  • Actuation Type: BOURDON TUBE
  • Pointer Type: INDICATING
  • Connector Type Vent: NOT PROVIDED
  • Graduation Unit: 10.0 POUNDS PER SQUARE INCH LBS
  • Adjustability: NONADJUSTABLE
Applications
  • Applications requiring Bronze Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-558-3125, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Dixon Valve & Coupling Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-01-558-3125
Primary Part NumberGC625
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerDixon Valve & Coupling Co
StatusCANCELLED
MaterialBRONZE ACTUATING ELEMENT
MaterialPLASTIC CASE
Actuation TypeBOURDON TUBE
Pointer TypeINDICATING
Connector Type VentNOT PROVIDED
Graduation Unit10.0 POUNDS PER SQUARE INCH LBS
AdjustabilityNONADJUSTABLE
Scale NamePOUNDS PRESSURE
Pointer ColorBLACK
Scale TypeDIAL
Scale Smallest Increment5.0 POUNDS PER SQUARE INCH (PSI) LBS
Dial Size1-1/2 IN. RD. IN
Scale Range+0.0 TO 200.0 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5965-00-309-4814H91U INTERCHANGEABLE
Handset Headset
Joint Electronics Type Designation System
Cross-Reference Index
Part NumberManufacturer
GC625 PRIMARY Dixon Valve & Coupling Co (USA)
1600137-36 Naval Facilities Engineering Command (USA)
Related Parts
5965-00-309-4814INTERCHANGEABLE
HANDSET HEADSET
H91U

Frequently Asked Questions

What is NSN 6685-01-558-3125?

NSN 6685-01-558-3125 is a Gage,pressure,dial Indicating, manufactured by Dixon Valve & Coupling Co, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-01-558-3125?

NSN 6685-01-558-3125 has 2 cross-referenced part numbers: GC625 (Dixon Valve & Coupling Co), 1600137-36 (Naval Facilities Engineering Command).

What NSN replaces 6685-01-558-3125?

There is 1 known substitute for 6685-01-558-3125: 5965-00-309-4814. Verify interchangeability with system specifications before substitution.

What are the specifications of GC625?

Key specifications for GC625: Material: BRONZE ACTUATING ELEMENT; Material: PLASTIC CASE; Actuation Type: BOURDON TUBE; Pointer Type: INDICATING. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-01-558-3125 still in active supply?

NSN 6685-01-558-3125 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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