PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1AEC03160AAAGage,compound Pressure-Vacuum,di

Bellofram Corporation · NSN 6685-00-753-2896 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-753-2896 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-753-2896. Primary manufacturer part number: 1AEC03160AAA.
Features
  • Gage,compound Pressure-Vacuum,di — FSC 6685
  • Dial Size: 2-1/2 IN. DIA IN
  • Adjustability: ADJUSTABLE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Unable to Decode: UNABLE TO DECODE
  • Connection Size: 0.250 IN. NPT IN
  • Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND
  • Connector Type Vent: NOT PROVIDED
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-753-2896, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bellofram Corporation. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-753-2896
Primary Part Number1AEC03160AAA
Item NameGage,compound Pressure-Vacuum,di
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBellofram Corporation
StatusCANCELLED
Dial Size2-1/2 IN. DIA IN
AdjustabilityADJUSTABLE
MaterialGLASS PROTECTIVE CRYSTAL
Unable to DecodeUNABLE TO DECODE
Connection Size0.250 IN. NPT IN
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connector Type VentNOT PROVIDED
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Graduation Unit5.0 INCHES OF MERCURY AND 5.0 POUNDS PER SQUARE INCH LBS
Connection Quantity1
Connection TypeEXTERNAL
MaterialCUA000 AND RA000 ACTUATING ELEMENT
Scale Range+0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 15.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale TypeMULTIPLE
Scale Smallest Increment1.0 INCHES OF MERCURY (INHG) AND 1.0 POUNDS PER SQUARE INCH (PSI) LBS
Pointer TypeINDICATING
Scale Accuracy2 PCT ENTIRE RANGE
Scale NamePRESSURE-VACUUM
Mounting MethodRIGID STEM
MaterialSTEEL CASE
Bezel TypeSLIPS-ON
Pointer ColorBLACK
Actuation TypeSINGLE BOURDON TUBE
Surface TreatmentPAINT
Scale Name for Which Pointer Is DesignedPRESSURE-VACUUM
Connection LocationLOWER
Overall Diameter2.716 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6685-00-087-6293 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
6685-00-202-3966 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
6685-00-248-6887047104 INTERCHANGEABLE
Gage,vacuum,indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-413-6670023266 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
Bellofram Corporation
6685-00-581-88677891-051REVDPC25 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
Electric Boat Corporation Div General Dynamics Electric Boat
6685-00-814-5693J4120 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
Bellofram Corporation
6685-00-899-07912 1-2 3DP1-4BM30IN30 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
Bellofram Corporation
6685-00-984-13023DP INTERCHANGEABLE
Gage,compound Pressure-Vacuum-Te
Bellofram Corporation
Cross-Reference Index
Part NumberManufacturer
3DP Desco Corp Marsh Bellofram Div (USA)
1AEC03160AAA PRIMARY Bellofram Corporation (USA)
1AEC03160AAA Desco Corp Marsh Bellofram Div (USA)
Related Parts
6685-00-087-6293INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
6685-00-202-3966INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
6685-00-248-6887INTERCHANGEABLE
GAGE,VACUUM,INDICATING
047104
6685-00-413-6670INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
023266
6685-00-581-8867INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
7891-051REVDPC25
6685-00-814-5693INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
J4120
6685-00-899-0791INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
2 1-2 3DP1-4BM30IN30
6685-00-984-1302INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM-TE
3DP

Frequently Asked Questions

What is NSN 6685-00-753-2896?

NSN 6685-00-753-2896 is a Gage,compound Pressure-Vacuum,di, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-753-2896?

NSN 6685-00-753-2896 has 3 cross-referenced part numbers: 3DP (Desco Corp Marsh Bellofram Div), 1AEC03160AAA (Bellofram Corporation), 1AEC03160AAA (Desco Corp Marsh Bellofram Div).

What NSN replaces 6685-00-753-2896?

There are 8 known substitutes for 6685-00-753-2896: 6685-00-087-6293, 6685-00-202-3966, 6685-00-248-6887 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1AEC03160AAA?

Key specifications for 1AEC03160AAA: Dial Size: 2-1/2 IN. DIA IN; End Item Identification: SUPPORT EQUIPMENT,T-37 AIRCRAFT; SUPPORT EQUIPMENT,F-16 AIRCRAFT; Adjustability: ADJUSTABLE; Material: GLASS PROTECTIVE CRYSTAL. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-753-2896 still in active supply?

NSN 6685-00-753-2896 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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