PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G3639Gage,pressure,dial Indicating

Rogerson Kratos · NSN 6685-00-136-3151 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-136-3151 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-136-3151. Primary manufacturer part number: G3639.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Scale Range: +0.000 TO 500.000 POUNDS PRESSURE PER SQUARE INCH LBS
  • Adjustability: NONADJUSTABLE
  • Mounting Hole Diameter: 0.170 INCHES NOMINAL IN
  • Scale Accuracy: 70 DEG F PORM 20 PSI ENTIRE RANGE DEGF
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Connection Size: 0.250 IN. NPT DIA IN
  • Connection Location: BACK, CENTER
Applications
  • Applications requiring Copper Alloy Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-136-3151, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Rogerson Kratos. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-136-3151
Primary Part NumberG3639
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerRogerson Kratos
StatusACTIVE
Scale Range+0.000 TO 500.000 POUNDS PRESSURE PER SQUARE INCH LBS
AdjustabilityNONADJUSTABLE
Mounting Hole Diameter0.170 INCHES NOMINAL IN
Scale Accuracy70 DEG F PORM 20 PSI ENTIRE RANGE DEGF
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Connection Size0.250 IN. NPT DIA IN
Connection LocationBACK, CENTER
MaterialCOPPER ALLOY ACTUATING ELEMENT
Connector Type VentNOT PROVIDED
Bolt Circle Diameter2.625 INCHES NOMINAL IN
MaterialGLASS PROTECTIVE CRYSTAL
MaterialALUMINUM CASE
Mounting Hole Quantity4
Unable to DecodeUNABLE TO DECODE
Dial Size2 IN. DIA IN
Pointer ColorBLACK
Pointer TypeINDICATING
Graduation Unit100.0 POUNDS LBS
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection Quantity1
Scale TypeSINGLE
Scale Smallest Increment20.0 POUNDS LBS
Scale NamePRESSURE
Actuation TypeMULTIPLE COIL HELICAL BOURDON TUBE
Mounting MethodFLUSH PANEL
Surface TreatmentANODIZE CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3120-00-662-1876G-3639 INTERCHANGEABLE
Bearing,sleeve
Cooper Machinery Services Llc
3130-01-188-4878 INTERCHANGEABLE
Bearing Unit,ball
Cross-Reference Index
Part NumberManufacturer
G3639 PRIMARY Rogerson Kratos (USA)
Related Parts
3120-00-662-1876INTERCHANGEABLE
BEARING,SLEEVE
G-3639
3130-01-188-4878INTERCHANGEABLE
BEARING UNIT,BALL

Frequently Asked Questions

What is NSN 6685-00-136-3151?

NSN 6685-00-136-3151 is a Gage,pressure,dial Indicating, manufactured by Rogerson Kratos, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-136-3151?

NSN 6685-00-136-3151 has 1 cross-referenced part number: G3639 (Rogerson Kratos).

What NSN replaces 6685-00-136-3151?

There are 2 known substitutes for 6685-00-136-3151: 3120-00-662-1876, 3130-01-188-4878. Verify interchangeability with system specifications before substitution.

What are the specifications of G3639?

Key specifications for G3639: Scale Range: +0.000 TO 500.000 POUNDS PRESSURE PER SQUARE INCH LBS; Adjustability: NONADJUSTABLE; Mounting Hole Diameter: 0.170 INCHES NOMINAL IN; Scale Accuracy: 70 DEG F PORM 20 PSI ENTIRE RANGE DEGF. 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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