PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12078-1Gage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-951-7142 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-951-7142 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-951-7142. Primary manufacturer part number: 12078-1.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Surface Treatment: ENAMEL CASE
  • Material: STEEL CASE
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SCALE TYPE; DIAL SIZE; SCALE MARKING; CASE MATERIAL; CASE SURFACE TREATMENT; OVERALL DIAMETER; OVERALL DEPTH; BEZEL TYPE; MATERIAL; SURFACE TREATMENT; CONNECTION QUANTITY; CONNECTION TYPE; CONNECTION LOCATION; CONNECTION SIZE; MOUNTING METHOD; BOLT CIRCLE DIAMETER; MOUNTING HOLE QUANTITY; AND MOUNTING HOLE DIAMETER
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: COPPER ALLOY ACTUATING ELEMENT
  • Usage Design: ON DELAVA OIL PURIFIER,MODEL 84-36P,S/N 3503113
  • Scale Type: SINGLE
Applications
  • Applications requiring Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-951-7142, 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 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-951-7142
Primary Part Number12078-1
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusACTIVE
Surface TreatmentENAMEL CASE
MaterialSTEEL CASE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SCALE TYPE; DIAL SIZE; SCALE MARKING; CASE MATERIAL; CASE SURFACE TREATMENT; OVERALL DIAMETER; OVERALL DEPTH; BEZEL TYPE; MATERIAL; SURFACE TREATMENT; CONNECTION QUANTITY; CONNECTION TYPE; CONNECTION LOCATION; CONNECTION SIZE; MOUNTING METHOD; BOLT CIRCLE DIAMETER; MOUNTING HOLE QUANTITY; AND MOUNTING HOLE DIAMETER
MaterialGLASS PROTECTIVE CRYSTAL
MaterialCOPPER ALLOY ACTUATING ELEMENT
Usage DesignON DELAVA OIL PURIFIER,MODEL 84-36P,S/N 3503113
Scale TypeSINGLE
AdjustabilityNONADJUSTABLE
Connection LocationLOWER
Dial Size2-1/2 IN. DIA IN
Connector Type VentNOT PROVIDED
Connection Size3/8 IN. NPT IN
Scale NamePRESSURE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Scale Range+0.000 TO 160.000 POUNDS PRESSURE PER SQUARE INCH LBS
Pointer TypeINDICATING
Pointer ColorBLACK
Mounting MethodRIGID STEM
Graduation Unit40.000 POUNDS LBS
Actuation TypeDIAPHRAGM
Connection Quantity1
Bezel TypeSLIPS-ON
Scale Accuracy2 PCT ENTIRE RANGE
Connection TypeEXTERNAL
Scale Smallest Increment5.000 POUNDS LBS
Overall Diameter2.7195 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
9160-00-685-0913 INTERCHANGEABLE
Insulating Oil,electrical
9160-01-190-0193120781 INTERCHANGEABLE
Insulating Oil,electrical
L3harris Technologies, Inc Div Space & Airborne Systems
5985-01-348-981587034A3001 INTERCHANGEABLE
Support,antenna
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5930-01-422-2522120781 INTERCHANGEABLE
Switch Subassembly
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
12078-1 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
9160-00-685-0913INTERCHANGEABLE
INSULATING OIL,ELECTRICAL
9160-01-190-0193INTERCHANGEABLE
INSULATING OIL,ELECTRICAL
120781
5985-01-348-9815INTERCHANGEABLE
SUPPORT,ANTENNA
87034A3001
5930-01-422-2522INTERCHANGEABLE
SWITCH SUBASSEMBLY
120781

Frequently Asked Questions

What is NSN 6685-00-951-7142?

NSN 6685-00-951-7142 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 6685-00-951-7142?

NSN 6685-00-951-7142 has 1 cross-referenced part number: 12078-1 (Ametek, Inc. Div Aerospace & Defense).

What NSN replaces 6685-00-951-7142?

There are 4 known substitutes for 6685-00-951-7142: 9160-00-685-0913, 9160-01-190-0193, 5985-01-348-9815 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12078-1?

Key specifications for 12078-1: Surface Treatment: ENAMEL CASE; Material: STEEL CASE; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SCALE TYPE; DIAL SIZE; SCALE MARKING; CASE MATERIAL; CASE SURFACE TREATMENT; OVERALL DIAMETER; OVERALL DEPTH; BEZEL TYPE; MATERIAL; SURFACE TREATMENT; CONNECTION QUANTITY; CONNECTION TYPE; CONNECTION LOCATION; CONNECTION SIZE; MOUNTING METHOD; BOLT CIRCLE DIAMETER; MOUNTING HOLE QUANTITY; AND MOUNTING HOLE DIAMETER; Material: GLASS PROTECTIVE CRYSTAL. 27 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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