PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

139385Gage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-840-6191 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-840-6191 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-840-6191. Primary manufacturer part number: 139385.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: ALUMINUM AND STEEL CASE
  • Material: BRONZE ACTUATING ELEMENT
  • Surface Treatment: ENAMEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Overall Diameter: 2.250 INCHES NOMINAL IN
  • Mounting Method: FLUSH PANEL
  • Scale Smallest Increment: 5.0 POUNDS PER SQUARE INCH (PSI) LBS
Applications
  • Applications requiring Aluminum and Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-840-6191, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 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
NSN6685-00-840-6191
Primary Part Number139385
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
MaterialALUMINUM AND STEEL CASE
MaterialBRONZE ACTUATING ELEMENT
Surface TreatmentENAMEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
Overall Diameter2.250 INCHES NOMINAL IN
Mounting MethodFLUSH PANEL
Scale Smallest Increment5.0 POUNDS PER SQUARE INCH (PSI) LBS
Graduation Unit30.0 POUNDS PER SQUARE INCH LBS
Scale Range+0.0 TO 300.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connection TypeEXTERNAL
Pointer ColorBLACK
Scale Accuracy2 PCT MIDDLE HALF OF RANGE,3 PCT REMAINDER
Bezel TypeSNAP-ON
Connector Type VentNOT PROVIDED
Actuation TypeBOURDON TUBE
Dial Size2 IN. DIA IN
Connection Size0.125 IN. NPT IN
Pointer TypeINDICATING
AdjustabilityNONADJUSTABLE
Connection LocationBACK
Connection Quantity1
Scale NamePRESSURE
Scale TypeDIAL
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5310-00-032-88622670-1 INTERCHANGEABLE
Washer,flat
Meggitt North Hollywood Inc
4730-00-188-1893A733S-101CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
5330-00-704-9579 INTERCHANGEABLE
Gasket,adapter,moun
2530-00-737-1434 INTERCHANGEABLE
Brake Lining Kit
5305-00-903-5523139385 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
3120-01-524-924547886 INTERCHANGEABLE
Bushing,sleeve
Allied Systems Company Dba Allied Systems Co
6135-01-528-689526701 INTERCHANGEABLE
Battery,nonrechargeable
Axon Enterprise, Inc.
6525-01-600-9228 INTERCHANGEABLE
Digital Subtraction Angiography,
Cross-Reference Index
Part NumberManufacturer
047886 Ametek, Inc. Div Aerospace & Defense (USA)
26701 Davey Compressor Co Div of Keco Industries Inc (USA)
P846U 1/8LBM 2IN-300PSI Ametek, Inc. Div Aerospace & Defense (USA)
26701 Drs Environmental Systems Inc (USA)
47886 Ametek, Inc. Div Aerospace & Defense (USA)
139385 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
5310-00-032-8862INTERCHANGEABLE
WASHER,FLAT
2670-1
4730-00-188-1893INTERCHANGEABLE
NIPPLE,PIPE
A733S-101CFB
5330-00-704-9579INTERCHANGEABLE
GASKET,ADAPTER,MOUN
2530-00-737-1434INTERCHANGEABLE
BRAKE LINING KIT
5305-00-903-5523INTERCHANGEABLE
SCREW,MACHINE
139385
3120-01-524-9245INTERCHANGEABLE
BUSHING,SLEEVE
47886
6135-01-528-6895INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
26701
6525-01-600-9228INTERCHANGEABLE
DIGITAL SUBTRACTION ANGIOGRAPHY,

Frequently Asked Questions

What is NSN 6685-00-840-6191?

NSN 6685-00-840-6191 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-840-6191?

NSN 6685-00-840-6191 has 6 cross-referenced part numbers: 047886 (Ametek, Inc. Div Aerospace & Defense), 26701 (Davey Compressor Co Div of Keco Industries Inc), P846U 1/8LBM 2IN-300PSI (Ametek, Inc. Div Aerospace & Defense), 26701 (Drs Environmental Systems Inc), 47886 (Ametek, Inc. Div Aerospace & Defense) and 1 more.

What NSN replaces 6685-00-840-6191?

There are 8 known substitutes for 6685-00-840-6191: 5310-00-032-8862, 4730-00-188-1893, 5330-00-704-9579 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 139385?

Key specifications for 139385: Material: ALUMINUM AND STEEL CASE; Material: BRONZE ACTUATING ELEMENT; Surface Treatment: ENAMEL CASE; Material: GLASS PROTECTIVE CRYSTAL. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-840-6191 still in active supply?

NSN 6685-00-840-6191 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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