PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VT-4ABIndicator,vacuum

Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments · NSN 6685-00-115-9604 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-115-9604 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-115-9604. Primary manufacturer part number: VT-4AB.
Features
  • Indicator,vacuum — FSC 6685
  • General Characteristics Item Description: 0 TO 20 MM MERCURY,115 V AC,60 CYCLE V
  • 3 verified cross-references
  • Primary manufacturer: Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,vacuum, cataloged under National Stock Number 6685-00-115-9604, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-115-9604
Primary Part NumberVT-4AB
Item NameIndicator,vacuum
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerTeledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments
StatusACTIVE
General Characteristics Item Description0 TO 20 MM MERCURY,115 V AC,60 CYCLE V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5935-00-072-8202 INTERCHANGEABLE
Connector,receptacle,electrical
2940-00-228-79308165489 INTERCHANGEABLE
Filter,fluid
Us Army Aviation and Missile Command
5995-00-421-224555150 INTERCHANGEABLE
Cord Headset
Roanwell, Llc
5975-00-702-21481226 INTERCHANGEABLE
Bushing,electrical Conduit
Abb Installation Products Inc
4730-01-117-906555150 INTERCHANGEABLE
Coupling,pipe
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5999-01-200-980455150 INTERCHANGEABLE
Holder,contact
Hamilton Sundstrand Corporation
5998-01-385-857155.150 INTERCHANGEABLE
Electronic Components Assembly
Northrop Grumman Systems Corporation
8105-01-699-572255150 INTERCHANGEABLE
Bag,textile
Logos Imaging Llc
Cross-Reference Index
Part NumberManufacturer
VT4B Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments (USA)
VT-4AB PRIMARY Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments (USA)
55-150 Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments (USA)
Related Parts
5935-00-072-8202INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2940-00-228-7930INTERCHANGEABLE
FILTER,FLUID
8165489
5995-00-421-2245INTERCHANGEABLE
CORD HEADSET
55150
5975-00-702-2148INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
1226
4730-01-117-9065INTERCHANGEABLE
COUPLING,PIPE
55150
5999-01-200-9804INTERCHANGEABLE
HOLDER,CONTACT
55150
5998-01-385-8571INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
55.150
8105-01-699-5722INTERCHANGEABLE
BAG,TEXTILE
55150

Frequently Asked Questions

What is NSN 6685-00-115-9604?

NSN 6685-00-115-9604 is a Indicator,vacuum, manufactured by Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-115-9604?

NSN 6685-00-115-9604 has 3 cross-referenced part numbers: VT4B (Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments), VT-4AB (Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments), 55-150 (Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments).

What NSN replaces 6685-00-115-9604?

There are 8 known substitutes for 6685-00-115-9604: 5935-00-072-8202, 2940-00-228-7930, 5995-00-421-2245 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of VT-4AB?

Key specifications for VT-4AB: General Characteristics Item Description: 0 TO 20 MM MERCURY,115 V AC,60 CYCLE V; End Item Identification: 6760003444503. 2 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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