PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

126635Gage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-802-8809 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-802-8809 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-802-8809. Primary manufacturer part number: 126635.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Surface Treatment: ENAMEL CASE
  • Material Document and Classification: AISI 403 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT
  • Material: STEEL ACTUATING ELEMENT
  • FSC Application Data: GAGES,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Material: ALUMINUM CASE
  • Material: PLASTIC PROTECTIVE CRYSTAL
  • Mounting Hole Quantity: 3
Applications
  • Applications requiring Steel Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-802-8809, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-802-8809
Primary Part Number126635
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
Surface TreatmentENAMEL CASE
Material Document and ClassificationAISI 403 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT
MaterialSTEEL ACTUATING ELEMENT
FSC Application DataGAGES,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
MaterialALUMINUM CASE
MaterialPLASTIC PROTECTIVE CRYSTAL
Mounting Hole Quantity3
Mounting Hole Diameter0.187 INCHES NOMINAL IN
Bolt Circle Diameter4.250 INCHES NOMINAL IN
Scale NamePRESSURE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection LocationBACK, LOWER
Actuation TypeSINGLE BOURDON TUBE
Connection Size0.250 IN. NPT DIA IN
Scale Accuracy1 PCT MIDDLE HALF OF SCALE,1-1/2 PCT FOR THE REMAINDER
Scale Smallest Increment100.0 POUNDS PER SQUARE INCH (PSI) LBS
Pointer ColorBLACK
Dial Size3.500 IN. DIA IN
Pointer TypeINDICATING
Connection TypeEXTERNAL
Scale Range+0.0 TO 5000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Mounting MethodFLUSH PANEL
Connector Type VentNOT PROVIDED
Scale TypeSINGLE
Bezel TypeHINGE
AdjustabilityADJUSTABLE
Connection Quantity1
Graduation Unit1000.0 POUNDS PER SQUARE INCH LBS
Overall Diameter4.970 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2995-00-013-3599DS-934231 INTERCHANGEABLE
Cylinder,control
Eaton Aerospace, Llc Dba Jackson South
5210-00-068-164461079 INTERCHANGEABLE
Gage,depth,vernier
Cvc Products Inc
6685-00-115-6012AA44-6-PV2-RW-PD-S4 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6625-00-181-2119509-3 INTERCHANGEABLE
Indicator,digital Display
Daco Instrument Co Div of Alinabal Inc
5310-00-199-5302 INTERCHANGEABLE
Nut,plain,slotted,hexagon
3020-00-268-42032940P11 INTERCHANGEABLE
Gear,helical
Taylor Machine Works Inc
2930-00-404-07132808649 INTERCHANGEABLE
Pump,cooling System,engine
Chrysler Realty Company Llc Dba Daimler Chrysler
5998-00-421-64885093 INTERCHANGEABLE
Extender Card,electronic Test
Bear Electronics Inc
5930-00-489-28335843 INTERCHANGEABLE
Retainer,electrical Switch
Goodrich Aerospace Canada Ltd
5910-00-513-5422 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Cross-Reference Index
Part NumberManufacturer
5843 Ametek, Inc. Div Aerospace & Defense (USA)
126635 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
061079 Ametek, Inc. Div Aerospace & Defense (USA)
61079 Ametek, Inc. Div Aerospace & Defense (USA)
5093 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
2995-00-013-3599INTERCHANGEABLE
CYLINDER,CONTROL
DS-934231
5210-00-068-1644INTERCHANGEABLE
GAGE,DEPTH,VERNIER
61079
6685-00-115-6012INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA44-6-PV2-RW-PD-S4
6625-00-181-2119INTERCHANGEABLE
INDICATOR,DIGITAL DISPLAY
509-3
5310-00-199-5302INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
3020-00-268-4203INTERCHANGEABLE
GEAR,HELICAL
2940P11
2930-00-404-0713INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
2808649
5998-00-421-6488INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
5093
5930-00-489-2833INTERCHANGEABLE
RETAINER,ELECTRICAL SWITCH
5843
5910-00-513-5422INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
2910-00-602-2793INTERCHANGEABLE
VALVE,FUEL SPRAY
1005-00-715-7496INTERCHANGEABLE
HAMMER

Frequently Asked Questions

What is NSN 6685-00-802-8809?

NSN 6685-00-802-8809 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 6685-00-802-8809?

NSN 6685-00-802-8809 has 5 cross-referenced part numbers: 5843 (Ametek, Inc. Div Aerospace & Defense), 126635 (Ametek, Inc. Div Aerospace & Defense), 061079 (Ametek, Inc. Div Aerospace & Defense), 61079 (Ametek, Inc. Div Aerospace & Defense), 5093 (Ametek, Inc. Div Aerospace & Defense).

What NSN replaces 6685-00-802-8809?

There are 12 known substitutes for 6685-00-802-8809: 2995-00-013-3599, 5210-00-068-1644, 6685-00-115-6012 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 126635?

Key specifications for 126635: Surface Treatment: ENAMEL CASE; Material Document and Classification: AISI 403 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT; Material: STEEL ACTUATING ELEMENT; FSC Application Data: GAGES,PRESSURE,DIAL INDICATING,EXCEPT ENGINE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-802-8809 still in active supply?

NSN 6685-00-802-8809 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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