PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILG8266Gage,liquid Oxygen Content,dial

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6685-00-526-7584 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-526-7584 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-526-7584. Primary manufacturer part number: MILG8266.
Features
  • Gage,liquid Oxygen Content,dial — FSC 6685
  • Connection Quantity: 2
  • Mounting Hole Quantity: 4
  • Scale Inscription/background Color: WHITE FIGURES ON BLACK BACKGROUND
  • Connection Size: 1/8 IN. ANPT IN
  • Connection Location: BACK AND UPPER
  • Connector Type Vent: PROVIDED
  • Material: ALUMINUM CASE
Applications
  • Applications requiring Aluminum Case construction
General Description

The Gage,liquid Oxygen Content,dial, cataloged under National Stock Number 6685-00-526-7584, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-526-7584
Primary Part NumberMILG8266
Item NameGage,liquid Oxygen Content,dial
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Connection Quantity2
Mounting Hole Quantity4
Scale Inscription/background ColorWHITE FIGURES ON BLACK BACKGROUND
Connection Size1/8 IN. ANPT IN
Connection LocationBACK AND UPPER
Connector Type VentPROVIDED
MaterialALUMINUM CASE
MaterialRUBBER ACTUATING ELEMENT
Surface TreatmentENAMEL CASE
Pointer ColorBLACK
AdjustabilityNONADJUSTABLE
MaterialGLASS PROTECTIVE CRYSTAL
Pointer TypeINDICATING
Mounting MethodFLUSH PANEL
Scale NamePRESSURE
Dial Size1-7/8 IN. DIA IN
Actuation TypeDIAPHRAGM
Scale Smallest Increment1.0 LITERS
Scale AccuracyNOT RATED
Scale Range+0.0 TO 5.0 LITERS
Scale TypeSINGLE
Connection TypeINTERNAL
Graduation Unit1.0 LITERS
Unable to DecodeUNABLE TO DECODE
Mounting Hole Diameter0.170 INCHES NOMINAL IN
Bolt Circle Diameter2.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6685-00-526-4443 INTERCHANGEABLE
Gage,liquid Oxygen Content,dial
6685-00-526-444910802 INTERCHANGEABLE
Gage,liquid Oxygen Content,dial
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
6685-00-727-334110802-1A INTERCHANGEABLE
Gage,liquid Oxygen Content,dial
Ingersoll-Rand Company Dba Ingersoll-Rand
6685-00-784-3525 INTERCHANGEABLE
Gage,liquid Oxygen Content,dial
Cross-Reference Index
Part NumberManufacturer
MILG8266 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6685-00-526-4443INTERCHANGEABLE
GAGE,LIQUID OXYGEN CONTENT,DIAL
6685-00-526-4449INTERCHANGEABLE
GAGE,LIQUID OXYGEN CONTENT,DIAL
10802
6685-00-727-3341INTERCHANGEABLE
GAGE,LIQUID OXYGEN CONTENT,DIAL
10802-1A
6685-00-784-3525INTERCHANGEABLE
GAGE,LIQUID OXYGEN CONTENT,DIAL

Frequently Asked Questions

What is NSN 6685-00-526-7584?

NSN 6685-00-526-7584 is a Gage,liquid Oxygen Content,dial, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-526-7584?

NSN 6685-00-526-7584 has 1 cross-referenced part number: MILG8266 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6685-00-526-7584?

There are 4 known substitutes for 6685-00-526-7584: 6685-00-526-4443, 6685-00-526-4449, 6685-00-727-3341 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILG8266?

Key specifications for MILG8266: Connection Quantity: 2; Mounting Hole Quantity: 4; Scale Inscription/background Color: WHITE FIGURES ON BLACK BACKGROUND; Connection Size: 1/8 IN. ANPT IN. 29 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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