PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3670Gage,pressure,dial Indicating

Metadure Parts & Sales, Inc. · NSN 6685-00-526-9283 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-526-9283 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-526-9283. Primary manufacturer part number: A3670.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: COPPER ALLOY ACTUATING ELEMENT
  • Material: BRASS CASE
  • Nondefinitive Spec/std Data: A TYPE
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Overall Diameter: 2.230 INCHES NOMINAL IN
  • Mounting Method: RIGID STEM
  • Graduation Unit: 500.0 POUNDS PER SQUARE INCH LBS
Applications
  • Applications requiring Copper Alloy Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-526-9283, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Metadure Parts & Sales, Inc.. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, 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
NSN6685-00-526-9283
Primary Part NumberA3670
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerMetadure Parts & Sales, Inc.
StatusCANCELLED
MaterialCOPPER ALLOY ACTUATING ELEMENT
MaterialBRASS CASE
Nondefinitive Spec/std DataA TYPE
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Overall Diameter2.230 INCHES NOMINAL IN
Mounting MethodRIGID STEM
Graduation Unit500.0 POUNDS PER SQUARE INCH LBS
Connection Size1/4 IN. NPT IN
Scale NamePRESSURE
Bezel TypeTHREAD
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection TypeEXTERNAL
AdjustabilityNONADJUSTABLE
Scale Smallest Increment100.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale Range+0.000 TO 3000.000 POUNDS PRESSURE PER SQUARE INCH LBS
Pointer TypeINDICATING
Connection LocationLOWER
Pointer ColorBLACK
Scale TypeSINGLE
Dial Size2 IN. DIA IN
Connection Quantity1
Actuation TypeSINGLE BOURDON TUBE
Connector Type VentNOT PROVIDED
Scale Accuracy2 PCT MIDDLE HALF OF SCALE,3 PCT REMAINDER
Supplementary FeaturesPOLISHED CASE
MaterialGLASS PROTECTIVE CRYSTAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5355-00-060-5683 INTERCHANGEABLE
Knob
6685-00-068-8073148074A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
2930-00-071-3172218150R95 INTERCHANGEABLE
Pump,cooling System,engine
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
5930-00-086-9980 INTERCHANGEABLE
Switch,rotary
6685-00-104-9626266291A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-117-5490136772A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-171-9815841-0054 INTERCHANGEABLE
Gage,pressure,dial Indicating
Boc Group Inc the
6685-00-239-5700P601 1/4LM2 1/2IN-3000PSI INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-283-00443672-99PC19 INTERCHANGEABLE
Gage,pressure,dial Indicating
Electric Boat Corporation Div General Dynamics Electric Boat
6515-00-340-670006-3175 INTERCHANGEABLE
Hammer,reflex Testing
Sklar Corporation Dba Sklar Instruments
Cross-Reference Index
Part NumberManufacturer
A3670 PRIMARY Metadure Parts & Sales, Inc. (USA)
100331 Metadure Parts & Sales, Inc. (USA)
144-2353 Metadure Parts & Sales, Inc. (USA)
MILG17801 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A3670 Stewart Avionics Inc (USA)
P601 Ametek, Inc. Div Aerospace & Defense (USA)
P546 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
5355-00-060-5683INTERCHANGEABLE
KNOB
6685-00-068-8073INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
148074A
2930-00-071-3172INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
218150R95
5930-00-086-9980INTERCHANGEABLE
SWITCH,ROTARY
6685-00-104-9626INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
266291A
6685-00-117-5490INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
136772A
6685-00-171-9815INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
841-0054
6685-00-239-5700INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
P601 1/4LM2 1/2IN-3000PSI
6685-00-283-0044INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
3672-99PC19
6515-00-340-6700INTERCHANGEABLE
HAMMER,REFLEX TESTING
06-3175
5330-00-456-6039INTERCHANGEABLE
RETAINER,PACKING
100331
5360-00-476-5550INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
P60-1

Frequently Asked Questions

What is NSN 6685-00-526-9283?

NSN 6685-00-526-9283 is a Gage,pressure,dial Indicating, manufactured by Metadure Parts & Sales, Inc., classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-526-9283?

NSN 6685-00-526-9283 has 7 cross-referenced part numbers: A3670 (Metadure Parts & Sales, Inc.), 100331 (Metadure Parts & Sales, Inc.), 144-2353 (Metadure Parts & Sales, Inc.), MILG17801 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A3670 (Stewart Avionics Inc) and 2 more.

What NSN replaces 6685-00-526-9283?

There are 12 known substitutes for 6685-00-526-9283: 5355-00-060-5683, 6685-00-068-8073, 2930-00-071-3172 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A3670?

Key specifications for A3670: Material: COPPER ALLOY ACTUATING ELEMENT; Material: BRASS CASE; Nondefinitive Spec/std Data: A TYPE; FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-526-9283 still in active supply?

NSN 6685-00-526-9283 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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