PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

578Gage,pressure,dial Indicating

Oxequip Health Industries · NSN 6685-00-756-1662 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-756-1662 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-756-1662. Primary manufacturer part number: 578.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: STEEL ACTUATING ELEMENT
  • Material: BRASS CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Surface Treatment: CHROMIUM CASE
  • Pointer Type: INDICATING
  • Connection Location: LOWER
  • Dial Size: 2 IN. DIA IN
Applications
  • Applications requiring Steel Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-756-1662, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Oxequip Health Industries. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-756-1662
Primary Part Number578
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerOxequip Health Industries
StatusACTIVE
MaterialSTEEL ACTUATING ELEMENT
MaterialBRASS CASE
MaterialGLASS PROTECTIVE CRYSTAL
Surface TreatmentCHROMIUM CASE
Pointer TypeINDICATING
Connection LocationLOWER
Dial Size2 IN. DIA IN
Bezel TypeTHREAD
Scale NamePRESSURE AND VOLUME
Mounting MethodRIGID STEM
Connector Type VentNOT PROVIDED
Connection Quantity1
Scale TypeMULTIPLE
Connection TypeEXTERNAL
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND,GREEN FIGURES ON WHITE BACKGROUND
Graduation Unit300.0 POUNDS PER SQUARE INCH AND 1000.0 LITERS LBS
Pointer ColorBLACK
Scale Name for Which Pointer Is DesignedPRESSURE AND VOLUME
Scale Range+0.0 TO 3000.0 POUNDS PER SQUARE INCH AND +0.0 TO 6900.0 LITERS LBS
Scale Smallest Increment60.0 POUNDS AND 200.0 LITERS LBS
AdjustabilityNONADJUSTABLE
Connection Size1/4 IN. NPT IN
Unable to DecodeUNABLE TO DECODE
Actuation TypeSINGLE BOURDON TUBE
Scale AccuracyPORM 10 PCT ENTIRE RANGE
Overall Diameter2.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-056-420600578 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
3110-00-100-0205 INTERCHANGEABLE
Cone and Rollers,tapered Roller
2920-00-184-78145-148 INTERCHANGEABLE
Regulator,engine Generator
Motorola Automotive Electronics
6350-00-273-98017220-211-6-8V INTERCHANGEABLE
Buzzer
Faraday Llc
5905-00-280-0992L25J1K5 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5960-00-296-2432 INTERCHANGEABLE
Electron Tube
5975-00-296-60862854 INTERCHANGEABLE
Box Connector,electrical
Raco, a Division of Hubbell Incorporated(delaware)
2940-00-374-7376S78 INTERCHANGEABLE
Air Cleaner,intake
Vortox Company
5935-00-755-29125260 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
7450-00-856-3416 INTERCHANGEABLE
Dictating Machine
Cross-Reference Index
Part NumberManufacturer
578 PRIMARY Oxequip Health Industries (USA)
Related Parts
4730-00-056-4206INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
00578
3110-00-100-0205INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2920-00-184-7814INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
5-148
6350-00-273-9801INTERCHANGEABLE
BUZZER
7220-211-6-8V
5905-00-280-0992INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
L25J1K5
5960-00-296-2432INTERCHANGEABLE
ELECTRON TUBE
5975-00-296-6086INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2854
2940-00-374-7376INTERCHANGEABLE
AIR CLEANER,INTAKE
S78
5935-00-755-2912INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5260
7450-00-856-3416INTERCHANGEABLE
DICTATING MACHINE
6625-00-993-7746INTERCHANGEABLE
VOLTMETER
578
7530-01-035-2909INTERCHANGEABLE
FILM,COPYING,THERMOGRAPHIC PROCE

Frequently Asked Questions

What is NSN 6685-00-756-1662?

NSN 6685-00-756-1662 is a Gage,pressure,dial Indicating, manufactured by Oxequip Health Industries, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-756-1662?

NSN 6685-00-756-1662 has 1 cross-referenced part number: 578 (Oxequip Health Industries).

What NSN replaces 6685-00-756-1662?

There are 12 known substitutes for 6685-00-756-1662: 4730-00-056-4206, 3110-00-100-0205, 2920-00-184-7814 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 578?

Key specifications for 578: Overall Depth: 1.000 INCHES NOMINAL IN; Material: STEEL ACTUATING ELEMENT; Material: BRASS CASE; Material: GLASS PROTECTIVE CRYSTAL. 28 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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