PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-G-7734Gage,pressure,dial Indicating

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6685-00-580-0937 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-580-0937 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-580-0937. Primary manufacturer part number: MIL-G-7734.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Mounting Hole Quantity: 4
  • Surface Treatment: PAINT EPOXY CASE
  • Color: BLACK CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: ALUMINUM CASE
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Mounting Hole Diameter: 0.170 INCHES NOMINAL IN
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-580-0937, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-580-0937
Primary Part NumberMIL-G-7734
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Mounting Hole Quantity4
Surface TreatmentPAINT EPOXY CASE
ColorBLACK CASE
MaterialGLASS PROTECTIVE CRYSTAL
MaterialALUMINUM CASE
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Mounting Hole Diameter0.170 INCHES NOMINAL IN
Bolt Circle Diameter2.625 INCHES NOMINAL IN
Scale Accuracy1 PCT ENTIRE RANGE
Pointer TypeINDICATING
Scale Range+0.0 TO 5000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Actuation TypeSINGLE BOURDON TUBE
Scale NamePRESSURE
Connector Type VentNOT PROVIDED
AdjustabilityADJUSTABLE
Scale TypeSINGLE
Connection Quantity2
Connection LocationBACK
Usage DesignFOR USE WITH HYDRAULIC PRESSURE
Connection TypeINTERNAL
Graduation Unit1000.0 POUNDS PER SQUARE INCH LBS
Dial Size1-7/8 IN. DIA IN
Scale Smallest Increment100.0 POUNDS PER SQUARE INCH (PSI) LBS
Unable to DecodeUNABLE TO DECODE
Pointer ColorBLACK
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection Size7/16 IN. NPT IN
Mounting MethodFLUSH PANEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6620-00-045-8134 INTERCHANGEABLE
Gage,pressure,dial Indicating
6620-00-051-714331855-12 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ranco Inc Ranco Controls Div
6620-00-051-7145 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-515-5764 INTERCHANGEABLE
Gage,vacuum,indicating
6685-00-551-3603 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-553-1995 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-555-3054 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-556-8527 INTERCHANGEABLE
Gage,vacuum,indicating
6685-00-557-0220 INTERCHANGEABLE
Gage,pressure,dial Indicating
6620-00-557-0403 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
MIL-G-7734 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AW1 7-8 30G Ametek, Inc. Div Aerospace & Defense (USA)
AN5769-2A Aeronautical Standards Group Dept of Navy and Air Force (USA)
MS28063-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AW1830AC02 Ametek, Inc. Div Aerospace & Defense (USA)
MS28063T2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AW1830AC03 Ametek, Inc. Div Aerospace & Defense (USA)
AN5769-2 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AW1 7-830E Ametek, Inc. Div Aerospace & Defense (USA)
AW1830AC01 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
6620-00-045-8134INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6620-00-051-7143INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
31855-12
6620-00-051-7145INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-515-5764INTERCHANGEABLE
GAGE,VACUUM,INDICATING
6685-00-551-3603INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-553-1995INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-555-3054INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-556-8527INTERCHANGEABLE
GAGE,VACUUM,INDICATING
6685-00-557-0220INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6620-00-557-0403INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-580-0935INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-634-9233INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 6685-00-580-0937?

NSN 6685-00-580-0937 is a Gage,pressure,dial Indicating, 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: cancelled.

What are the part numbers for NSN 6685-00-580-0937?

NSN 6685-00-580-0937 has 10 cross-referenced part numbers: MIL-G-7734 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AW1 7-8 30G (Ametek, Inc. Div Aerospace & Defense), AN5769-2A (Aeronautical Standards Group Dept of Navy and Air Force), MS28063-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AW1830AC02 (Ametek, Inc. Div Aerospace & Defense) and 5 more.

What NSN replaces 6685-00-580-0937?

There are 12 known substitutes for 6685-00-580-0937: 6620-00-045-8134, 6620-00-051-7143, 6620-00-051-7145 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-G-7734?

Key specifications for MIL-G-7734: Mounting Hole Quantity: 4; Surface Treatment: PAINT EPOXY CASE; Overall Width: 2.375 INCHES NOMINAL IN; Overall Depth: 1.625 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-580-0937 still in active supply?

NSN 6685-00-580-0937 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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