PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

290-03Gage,vacuum,indicating

Mks Inc. · NSN 6685-01-263-0407 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-263-0407 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-263-0407. Primary manufacturer part number: 290-03.
Features
  • Gage,vacuum,indicating — FSC 6685
  • Functional Description: WORKS WITH THE MKS 252 THROTTLE VALVE NSN 6685-01-262-6355 AS PART OF THE DOWNSTREAM PRESSURE CONTROL SYSTEM
  • Supplementary Features: MANUFACTURERS NAME: IONIZATION VACUUM GAGE CONTROL UNIT AND GAGE TUBE
  • 1 verified cross-reference
  • Primary manufacturer: Mks Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage,vacuum,indicating, cataloged under National Stock Number 6685-01-263-0407, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Mks Inc.. Government technical data includes 2 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-263-0407
Primary Part Number290-03
Item NameGage,vacuum,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerMks Inc.
StatusACTIVE
Functional DescriptionWORKS WITH THE MKS 252 THROTTLE VALVE NSN 6685-01-262-6355 AS PART OF THE DOWNSTREAM PRESSURE CONTROL SYSTEM
Supplementary FeaturesMANUFACTURERS NAME: IONIZATION VACUUM GAGE CONTROL UNIT AND GAGE TUBE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
9540-00-288-0454 INTERCHANGEABLE
Beam,structural
2540-00-586-3239 INTERCHANGEABLE
Guard,splash,vehicular
5985-01-052-0785037-003295-003 INTERCHANGEABLE
Attenuator,fixed
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
4730-01-182-793629003-5 INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
5325-01-398-744229003 INTERCHANGEABLE
Insert,screw Thread
R T E Corp
7025-01-448-0865 INTERCHANGEABLE
Disk Drive Unit
5930-01-572-371029003 INTERCHANGEABLE
Switch,electronic
Lockheed Martin Corporation
4710-01-619-604829003 INTERCHANGEABLE
Pipe,plastic
United States Plastic Corp
1005-01-631-036229003 INTERCHANGEABLE
Parts Kit,gun
U.s. Ordnance
5961-01-666-067029003 INTERCHANGEABLE
Semiconductor Device,thyristor
Itw Gse Inc.
Cross-Reference Index
Part NumberManufacturer
290-03 PRIMARY Mks Inc. (USA)
Related Parts
9540-00-288-0454INTERCHANGEABLE
BEAM,STRUCTURAL
2540-00-586-3239INTERCHANGEABLE
GUARD,SPLASH,VEHICULAR
5985-01-052-0785INTERCHANGEABLE
ATTENUATOR,FIXED
037-003295-003
4730-01-182-7936INTERCHANGEABLE
EXPANSION JOINT,PIPE
29003-5
5325-01-398-7442INTERCHANGEABLE
INSERT,SCREW THREAD
29003
7025-01-448-0865INTERCHANGEABLE
DISK DRIVE UNIT
5930-01-572-3710INTERCHANGEABLE
SWITCH,ELECTRONIC
29003
4710-01-619-6048INTERCHANGEABLE
PIPE,PLASTIC
29003
1005-01-631-0362INTERCHANGEABLE
PARTS KIT,GUN
29003
5961-01-666-0670INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
29003

Frequently Asked Questions

What is NSN 6685-01-263-0407?

NSN 6685-01-263-0407 is a Gage,vacuum,indicating, manufactured by Mks Inc., classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-263-0407?

NSN 6685-01-263-0407 has 1 cross-referenced part number: 290-03 (Mks Inc.).

What NSN replaces 6685-01-263-0407?

There are 10 known substitutes for 6685-01-263-0407: 9540-00-288-0454, 2540-00-586-3239, 5985-01-052-0785 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 290-03?

Key specifications for 290-03: Functional Description: WORKS WITH THE MKS 252 THROTTLE VALVE NSN 6685-01-262-6355 AS PART OF THE DOWNSTREAM PRESSURE CONTROL SYSTEM; End Item Identification: TGG COPLANARITY UNIT; Special Features: ION GAGE CONTROLLER WITH DUAL GAGE OPTION; STANDARD 1/2 RACK INSTRUMENTATION PACKAGE; MOUNTING IN 19.00 INCH RACK OR WITH ANOTHER 1/2 RACK INSTRUMENT; INCLUDES 2 10 FT CABLES IN; Supplementary Features: MANUFACTURERS NAME: IONIZATION VACUUM GAGE CONTROL UNIT AND GAGE TUBE. 4 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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