PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SE1084-93Gage,pressure,dial Indicating

Raytheon Company · NSN 6685-00-551-3603 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-551-3603 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-551-3603. Primary manufacturer part number: SE1084-93.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Bolt Circle Diameter: 2.625 INCHES NOMINAL IN
  • Material: GLASS PROTECTIVE CRYSTAL
  • Color: BLACK CASE
  • Surface Treatment: PAINT CRACKLE FINISH CASE
  • Overall Diameter: 2.375 INCHES NOMINAL IN
  • Adjustability: NONADJUSTABLE
  • Connection Type: INTERNAL
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-551-3603, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Raytheon Company. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN6685-00-551-3603
Primary Part NumberSE1084-93
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerRaytheon Company
StatusCANCELLED
Bolt Circle Diameter2.625 INCHES NOMINAL IN
MaterialGLASS PROTECTIVE CRYSTAL
ColorBLACK CASE
Surface TreatmentPAINT CRACKLE FINISH CASE
Overall Diameter2.375 INCHES NOMINAL IN
AdjustabilityNONADJUSTABLE
Connection TypeINTERNAL
Pointer TypeINDICATING
Unable to DecodeUNABLE TO DECODE
Connector Type VentNOT PROVIDED
Pointer ColorBLACK
Scale TypeSINGLE
Mounting MethodFLUSH PANEL
Connection LocationBACK
Dial Size1-7/8 IN. DIA IN
Connection Quantity1
Scale NamePRESSURE
Connection Size0.438 IN. TUBE IN
Scale AccuracyANY ACCEPTABLE
Scale Smallest Increment100.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale Inscription/background ColorLUMINOUR FIGURES ON BLACK BACKGROUND
Scale Range+0.0 TO 2000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Actuation TypeANY ACCEPTABLE
Graduation Unit1000.0 POUNDS PER SQUARE INCH LBS
Mounting Hole Diameter0.170 INCHES NOMINAL IN
Mounting Hole Quantity4
MaterialPLASTIC CASE
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
6685-00-553-1995 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
6685-00-580-0935 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
SE1084-93 Raytheon Company (USA)
6732-72 Ashcroft Inc Dba Heise (USA)
12937A1 Liftec Inc Div Liftec, Inc. (USA)
MS28061-T6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-G-7734 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-T-7734 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
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
6685-00-553-1995INTERCHANGEABLE
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
6685-00-580-0937INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-634-9233INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 6685-00-551-3603?

NSN 6685-00-551-3603 is a Gage,pressure,dial Indicating, manufactured by Raytheon Company, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-551-3603?

NSN 6685-00-551-3603 has 6 cross-referenced part numbers: SE1084-93 (Raytheon Company), 6732-72 (Ashcroft Inc Dba Heise), 12937A1 (Liftec Inc Div Liftec, Inc.), MS28061-T6 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-G-7734 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 6685-00-551-3603?

There are 12 known substitutes for 6685-00-551-3603: 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 SE1084-93?

Key specifications for SE1084-93: Overall Depth: 1.750 INCHES NOMINAL IN; Bolt Circle Diameter: 2.625 INCHES NOMINAL IN; Material: GLASS PROTECTIVE CRYSTAL; Color: BLACK CASE. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-551-3603 still in active supply?

NSN 6685-00-551-3603 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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