PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA146CF4RWGage,compound Pressure-Vacuum,di

Weksler Glass Thermometer Corp · NSN 6685-00-585-4428 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-585-4428 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-585-4428. Primary manufacturer part number: AA146CF4RW.
Features
  • Gage,compound Pressure-Vacuum,di — FSC 6685
  • Mounting Hole Quantity: 3
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Material: IRON CASE
  • Surface Treatment: ENAMEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Scale Name for Which Pointer Is Designed: PRESSURE-VACUUM
  • Scale Name: PRESSURE-VACUUM
Applications
  • Applications requiring Copper Alloy 511 Actuating Element construction
General Description

The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-585-4428, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Weksler Glass Thermometer Corp. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 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
NSN6685-00-585-4428
Primary Part NumberAA146CF4RW
Item NameGage,compound Pressure-Vacuum,di
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerWeksler Glass Thermometer Corp
StatusACTIVE
Mounting Hole Quantity3
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
MaterialIRON CASE
Surface TreatmentENAMEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
Scale Name for Which Pointer Is DesignedPRESSURE-VACUUM
Scale NamePRESSURE-VACUUM
Bezel TypeHINGE
Graduation Unit30.0 INCHES OF MERCURY AND 20.0 POUNDS PER SQUARE INCH LBS
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
Unable to DecodeUNABLE TO DECODE
Pointer ColorBLACK
Connection LocationBACK
Mounting MethodFLUSH PANEL
Connection Quantity1
Connection TypeEXTERNAL
Connector Type VentNOT PROVIDED
Scale TypeMULTIPLE
Scale Range+0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS
Pointer TypeINDICATING
Scale Smallest Increment5.0 INCHES OF MERCURY (INHG) AND 2.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection Size0.250 IN. NPT IN
Actuation TypeSINGLE BOURDON TUBE
Dial Size4-1/2 IN. DIA IN
AdjustabilityADJUSTABLE
Bolt Circle Diameter5.375 INCHES NOMINAL IN
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Overall Diameter5.938 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-050-134935-410R-1/4L-0-400 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-050-1352E1C1F3A10024UAA INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-058-1505HD35 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-058-1507HD39 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-065-1485AA442PM4RW INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-067-781735-1009-AW-02B-160# INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-168-0386155007-1980 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-194-168345-1279AS-02L-15 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-194-1699F4C1B3A000000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
5120-00-203-6437410-R INTERCHANGEABLE
Clamp,c
Diecraft Inc
Cross-Reference Index
Part NumberManufacturer
175F33F Liftec Inc Div Liftec, Inc. (USA)
AA146CF4RW PRIMARY Weksler Glass Thermometer Corp (USA)
1ZTF03877ATC001 Desco Corp Marsh Bellofram Div (USA)
45-1377ACS02B200PSI30VAC PRIMARY Ashcroft Inc Dba Heise (USA)
1ZTF03877ATC001 Bellofram Corporation (USA)
410R Bristol Babcock Inc Helicoid Instruments Div (USA)
1802 Ametek, Inc. Div Aerospace & Defense (USA)
1903 1/4LBM4.5-200PSI/30VAC PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
45-410R-1/4B-30-0-200 PRIMARY Bristol Babcock Inc Helicoid Instruments Div (USA)
Related Parts
6685-00-050-1349INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
35-410R-1/4L-0-400
6685-00-050-1352INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
E1C1F3A10024UAA
6685-00-058-1505INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
HD35
6685-00-058-1507INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
HD39
6685-00-065-1485INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA442PM4RW
6685-00-067-7817INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
35-1009-AW-02B-160#
6685-00-168-0386INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
155007-1980
6685-00-194-1683INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1279AS-02L-15
6685-00-194-1699INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
F4C1B3A000000
5120-00-203-6437INTERCHANGEABLE
CLAMP,C
410-R
6685-00-475-7271INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
3455-00-483-6933INTERCHANGEABLE
FILE,ROTARY

Frequently Asked Questions

What is NSN 6685-00-585-4428?

NSN 6685-00-585-4428 is a Gage,compound Pressure-Vacuum,di, manufactured by Weksler Glass Thermometer Corp, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-585-4428?

NSN 6685-00-585-4428 has 9 cross-referenced part numbers: 175F33F (Liftec Inc Div Liftec, Inc.), AA146CF4RW (Weksler Glass Thermometer Corp), 1ZTF03877ATC001 (Desco Corp Marsh Bellofram Div), 45-1377ACS02B200PSI30VAC (Ashcroft Inc Dba Heise), 1ZTF03877ATC001 (Bellofram Corporation) and 4 more.

What NSN replaces 6685-00-585-4428?

There are 12 known substitutes for 6685-00-585-4428: 6685-00-050-1349, 6685-00-050-1352, 6685-00-058-1505 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA146CF4RW?

Key specifications for AA146CF4RW: Mounting Hole Quantity: 3; Material: COPPER ALLOY 511 ACTUATING ELEMENT; Material: IRON CASE; Surface Treatment: ENAMEL CASE. 30 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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