PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55-89Gage,tube

Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments · NSN 6685-01-144-1955 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-144-1955 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-144-1955. Primary manufacturer part number: 55-89.
Features
  • Gage,tube — FSC 6685
  • 2 verified cross-references
  • Primary manufacturer: Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Gage,tube, cataloged under National Stock Number 6685-01-144-1955, 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. This item has 2 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
NSN6685-01-144-1955
Primary Part Number55-89
Item NameGage,tube
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerTeledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2520-00-236-9727 INTERCHANGEABLE
Control Dial Assembly
6115-00-696-6935 INTERCHANGEABLE
Shaft Assy,governor
6550-01-177-19585589 INTERCHANGEABLE
Control,glucose
Bayer Corp Diagnostics Div
5998-01-316-97505589 INTERCHANGEABLE
Circuit Card Assembly
Data Device Corp Dba Beta Transformer Technology
5985-01-448-90552034-3DB INTERCHANGEABLE
Attenuator,fixed
Spectrum Control, Inc.
5365-01-575-16305589 INTERCHANGEABLE
Spacer Set,ring
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
6625-01-581-9499DV24 INTERCHANGEABLE
Sensor,current
Extech Instruments Corporation Dba Extech Data Systems Div
6515-01-600-94405589 INTERCHANGEABLE
Blade,bone Saw,power
Terumo Medical Corp. Dba Terumo Cardiovascular Systems Corporation
Cross-Reference Index
Part NumberManufacturer
DV24 Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments (USA)
55-89 PRIMARY Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments (USA)
Related Parts
2520-00-236-9727INTERCHANGEABLE
CONTROL DIAL ASSEMBLY
6115-00-696-6935INTERCHANGEABLE
SHAFT ASSY,GOVERNOR
6550-01-177-1958INTERCHANGEABLE
CONTROL,GLUCOSE
5589
5998-01-316-9750INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5589
5985-01-448-9055INTERCHANGEABLE
ATTENUATOR,FIXED
2034-3DB
5365-01-575-1630INTERCHANGEABLE
SPACER SET,RING
5589
6625-01-581-9499INTERCHANGEABLE
SENSOR,CURRENT
DV24
6515-01-600-9440INTERCHANGEABLE
BLADE,BONE SAW,POWER
5589

Frequently Asked Questions

What is NSN 6685-01-144-1955?

NSN 6685-01-144-1955 is a Gage,tube, 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 6685-01-144-1955?

NSN 6685-01-144-1955 has 2 cross-referenced part numbers: DV24 (Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments), 55-89 (Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments).

What NSN replaces 6685-01-144-1955?

There are 8 known substitutes for 6685-01-144-1955: 2520-00-236-9727, 6115-00-696-6935, 6550-01-177-1958 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55-89?

Key specifications for 55-89: End Item Identification: SIMULATOR,AWACS. 1 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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