PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1404 4.5IN 30PSI 1/4IN ANPTGage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-01-232-3069 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-232-3069 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-232-3069. Primary manufacturer part number: 1404 4.5IN 30PSI 1/4IN ANPT.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: PLASTIC ACRYLIC PROTECTIVE CRYSTAL
  • Surface Treatment: PAINT EPOXY CASE
  • Relationship to Similar Equipment: SIMILAR TO NSN 6685-00-682-4540
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Material: ALUMINUM AND ALUMINUM ALLOY CASE
  • Overall Diameter: 5.281 INCHES NOMINAL IN
  • Connection Type: EXTERNAL
Applications
  • Applications requiring Plastic Acrylic Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-232-3069, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-232-3069
Primary Part Number1404 4.5IN 30PSI 1/4IN ANPT
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusACTIVE
MaterialPLASTIC ACRYLIC PROTECTIVE CRYSTAL
Surface TreatmentPAINT EPOXY CASE
Relationship to Similar EquipmentSIMILAR TO NSN 6685-00-682-4540
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
MaterialALUMINUM AND ALUMINUM ALLOY CASE
Overall Diameter5.281 INCHES NOMINAL IN
Connection TypeEXTERNAL
Scale TypeSINGLE
Mounting MethodTHREADED MALE CONNECTION
Actuation TypeSINGLE BOURDON TUBE
Scale Range+0.0 TO 30.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connection LocationBOTTOM
Connector Type VentNOT PROVIDED
Connection Quantity1
Graduation Unit2.0 POUNDS PER SQUARE INCH LBS
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Pointer ColorBLACK
Unable to DecodeUNABLE TO DECODE
Functional DescriptionGENERAL PURPOSE PRESSURE TEST GAGE
Pointer TypeINDICATING
Dial Size4.500 IN. DIA IN
Scale AccuracyPORM 0.25 PCT ENTIRE RANGE
Scale Smallest Increment0.1 POUNDS PER SQUARE INCH (PSI) LBS
Scale NamePOUNDS PRESSURE
AdjustabilityADJUSTABLE
Bezel TypeBAYONET AND SNAP-ON
Connection Size0.250 IN. ANPT IN
ColorBLACK CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5835-00-909-7421 INTERCHANGEABLE
Tape,sound Recording
6220-01-105-318044040 INTERCHANGEABLE
Light
Grimes Aerospace Company
4820-01-196-1353A44040 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4730-01-288-3684 INTERCHANGEABLE
Elbow,tube to Boss
4730-01-304-753844040 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Cleveland Service Center
Cross-Reference Index
Part NumberManufacturer
27-90052 Ametek Inc (USA)
1404 4.5IN 30PSI 1/4IN ANPT PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
44040 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
1404-30 PSI Ametek Inc (USA)
Related Parts
5835-00-909-7421INTERCHANGEABLE
TAPE,SOUND RECORDING
6220-01-105-3180INTERCHANGEABLE
LIGHT
44040
4820-01-196-1353INTERCHANGEABLE
STEM,FLUID VALVE
A44040
4730-01-288-3684INTERCHANGEABLE
ELBOW,TUBE TO BOSS
4730-01-304-7538INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
44040

Frequently Asked Questions

What is NSN 6685-01-232-3069?

NSN 6685-01-232-3069 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-232-3069?

NSN 6685-01-232-3069 has 4 cross-referenced part numbers: 27-90052 (Ametek Inc), 1404 4.5IN 30PSI 1/4IN ANPT (Ametek, Inc. Div Aerospace & Defense), 44040 (Ametek, Inc. Div Aerospace & Defense), 1404-30 PSI (Ametek Inc).

What NSN replaces 6685-01-232-3069?

There are 5 known substitutes for 6685-01-232-3069: 5835-00-909-7421, 6220-01-105-3180, 4820-01-196-1353 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1404 4.5IN 30PSI 1/4IN ANPT?

Key specifications for 1404 4.5IN 30PSI 1/4IN ANPT: Material: PLASTIC ACRYLIC PROTECTIVE CRYSTAL; Surface Treatment: PAINT EPOXY CASE; Relationship to Similar Equipment: SIMILAR TO NSN 6685-00-682-4540; Material: COPPER ALLOY 511 ACTUATING ELEMENT. 29 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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