PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

046646AGage,compound Pressure-Vacuum,di

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-248-6975 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-248-6975 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-248-6975. Primary manufacturer part number: 046646A.
Features
  • Gage,compound Pressure-Vacuum,di — FSC 6685
  • Connection Size: 0.250 IN. NPT DIA IN
  • Surface Treatment: ENAMEL CASE
  • Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND
  • Scale Range: +0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 60.0 POUNDS PRESSURE PER SQUARE INCH LBS
  • Scale Accuracy: 2 PERCENT RATING MIDDLE HALF OF RANGE,3 PERCENT REMAINDER; 3 PERCENT RATING ENTIRE RANGE
  • Scale Name for Which Pointer Is Designed: PRESSURE-VACUUM
  • Pointer Type: INDICATING
Applications
  • Applications requiring Copper Alloy 511 Actuating Element construction
General Description

The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-248-6975, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 3 manufacturers, 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
NSN6685-00-248-6975
Primary Part Number046646A
Item NameGage,compound Pressure-Vacuum,di
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusACTIVE
Connection Size0.250 IN. NPT DIA IN
Surface TreatmentENAMEL CASE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Scale Range+0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 60.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale Accuracy2 PERCENT RATING MIDDLE HALF OF RANGE,3 PERCENT REMAINDER; 3 PERCENT RATING ENTIRE RANGE
Scale Name for Which Pointer Is DesignedPRESSURE-VACUUM
Pointer TypeINDICATING
Connection Quantity1
Bezel TypeSLIPS-ON
Scale NamePRESSURE AND VACUUM
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
Scale TypeMULTIPLE
Unable to DecodeUNABLE TO DECODE
Pointer ColorBLACK
Connection LocationBOTTOM
Scale Smallest Increment2.0 INCHES AND 2.0 POUNDS PER SQUARE INCH (PSI) LBS
MaterialSTEEL CASE
Dial Size2-1/2 IN. DIA IN
Connector Type VentNOT PROVIDED
Connection TypeEXTERNAL
Mounting MethodRIGID STEM
AdjustabilityNONADJUSTABLE
Graduation Unit10.0 INCHES AND 10.0 POUNDS PER SQUARE INCH LBS
Actuation TypeSINGLE BOURDON TUBE
MaterialPLASTIC OR GLASS PROTECTIVE CRYSTAL
Overall Diameter2.718 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-068-2699J1816 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
Bellofram Corporation
6685-00-081-770812293-0 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
Ametek, Inc. Div Aerospace & Defense
6685-00-104-9625 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
2825-00-148-1680800-899-90X INTERCHANGEABLE
Governor with Conve
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5975-00-152-1144 INTERCHANGEABLE
Box Connector,electrical
6685-00-202-3966 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
1560-00-213-49894664-60 INTERCHANGEABLE
Section,port 3
Solar Turbines Incorporated Dba Solar Turbines Incorporated
3433-00-399-7037505976 INTERCHANGEABLE
Torch Outfit,oxyhydrogen Cutting
Naval Ship Systems Command
6685-00-426-67102429 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
Alter Harry Co the Div of T E C
5905-00-499-6512C500 INTERCHANGEABLE
Resistor,fixed,film
Howell Instruments, Inc. Dba Howell Instruments Inc
Cross-Reference Index
Part NumberManufacturer
25-1000-02L30HG60 Ashcroft Inc Dba Heise (USA)
46646A Orlando Helicopter Airways Inc (USA)
C500 Ametek, Inc. Div Aerospace & Defense (USA)
25100502L30IMV60PSI Ashcroft Inc Dba Heise (USA)
046646 Ametek, Inc. Div Aerospace & Defense (USA)
046646A PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
25-1000-02L60PSI30VAC Ashcroft Inc Dba Heise (USA)
46646-0 Ametek, Inc. Div Aerospace & Defense (USA)
1004 Ashcroft Inc Dba Heise (USA)
Related Parts
6685-00-068-2699INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
J1816
6685-00-081-7708INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
12293-0
6685-00-104-9625INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
2825-00-148-1680INTERCHANGEABLE
GOVERNOR WITH CONVE
800-899-90X
5975-00-152-1144INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
6685-00-202-3966INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
1560-00-213-4989INTERCHANGEABLE
SECTION,PORT 3
4664-60
3433-00-399-7037INTERCHANGEABLE
TORCH OUTFIT,OXYHYDROGEN CUTTING
505976
6685-00-426-6710INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
2429
5905-00-499-6512INTERCHANGEABLE
RESISTOR,FIXED,FILM
C500
6685-00-527-6180INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
6685-00-581-8867INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
7891-051REVDPC25

Frequently Asked Questions

What is NSN 6685-00-248-6975?

NSN 6685-00-248-6975 is a Gage,compound Pressure-Vacuum,di, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-248-6975?

NSN 6685-00-248-6975 has 9 cross-referenced part numbers: 25-1000-02L30HG60 (Ashcroft Inc Dba Heise), 46646A (Orlando Helicopter Airways Inc), C500 (Ametek, Inc. Div Aerospace & Defense), 25100502L30IMV60PSI (Ashcroft Inc Dba Heise), 046646 (Ametek, Inc. Div Aerospace & Defense) and 4 more.

What NSN replaces 6685-00-248-6975?

There are 12 known substitutes for 6685-00-248-6975: 6685-00-068-2699, 6685-00-081-7708, 6685-00-104-9625 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 046646A?

Key specifications for 046646A: Connection Size: 0.250 IN. NPT DIA IN; Surface Treatment: ENAMEL CASE; Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND; Scale Range: +0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 60.0 POUNDS PRESSURE PER SQUARE INCH LBS. 27 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com