PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1279SGage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-00-833-9973 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-833-9973 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-833-9973. Primary manufacturer part number: 1279S.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Mounting Method: SURFACE WALL
  • Connection Location: BACK
  • Pointer Color: BLACK
  • Bolt Circle Diameter: 7.000 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING ACTUATING ELEMENT
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY ACTUATING DATA,SCALE DATA,DIAL DATA,CASE DATA,CONNECTION DATA
  • Surface Treatment: PAINT CRACKLE FINISH CASE
Applications
  • Applications requiring Steel Corrosion Resisting Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-833-9973, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 29 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
NSN6685-00-833-9973
Primary Part Number1279S
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Mounting MethodSURFACE WALL
Connection LocationBACK
Pointer ColorBLACK
Bolt Circle Diameter7.000 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING ACTUATING ELEMENT
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY ACTUATING DATA,SCALE DATA,DIAL DATA,CASE DATA,CONNECTION DATA
Surface TreatmentPAINT CRACKLE FINISH CASE
FSC Application DataGAGE,PRESSURE DIAL INDICATING,EXCEPT ENGINE
MaterialPLASTIC CASE
MaterialGLASS PROTECTIVE CRYSTAL
ColorBLACK CASE
Mounting Hole Quantity3
Overall Diameter7.625 INCHES NOMINAL IN
Scale NamePRESSURE
Scale TypeSINGLE
Connection Quantity1
Dial Size6 IN. DIA IN
Scale Smallest Increment5.0 POUNDS LBS
Connection TypeEXTERNAL
Connection Size1/4 IN. NPT IN
Graduation Unit50.0 POUNDS LBS
Connector Type VentNOT PROVIDED
AdjustabilityADJUSTABLE
Pointer TypeINDICATING
Actuation TypeSINGLE BOURDON TUBE
Scale Range+0.0 TO 400.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Mounting Hole Diameter0.281 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6685-00-882-762845-1279AS-02L-60 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-962-978745-1279SS-02L-300 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
Cross-Reference Index
Part NumberManufacturer
1279S Ashcroft Inc Dba Heise (USA)
Related Parts
6685-00-882-7628INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1279AS-02L-60
6685-00-962-9787INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1279SS-02L-300

Frequently Asked Questions

What is NSN 6685-00-833-9973?

NSN 6685-00-833-9973 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-833-9973?

NSN 6685-00-833-9973 has 1 cross-referenced part number: 1279S (Ashcroft Inc Dba Heise).

What NSN replaces 6685-00-833-9973?

There are 2 known substitutes for 6685-00-833-9973: 6685-00-882-7628, 6685-00-962-9787. Verify interchangeability with system specifications before substitution.

What are the specifications of 1279S?

Key specifications for 1279S: Mounting Method: SURFACE WALL; Connection Location: BACK; Pointer Color: BLACK; Overall Depth: 2.375 INCHES NOMINAL IN. 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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