PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

768Timer,sequential

Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion · NSN 6645-00-368-8636 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-368-8636 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-368-8636. Primary manufacturer part number: 768.
Features
  • Timer,sequential — FSC 6645
  • Overall Diameter: 2.531 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Timer,sequential, cataloged under National Stock Number 6645-00-368-8636, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-368-8636
Primary Part Number768
Item NameTimer,sequential
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerThermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
StatusACTIVE
Overall Diameter2.531 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6750-00-177-5376 INTERCHANGEABLE
Paper,microfilm Copy
3455-00-228-5228 INTERCHANGEABLE
Cutter,milling,end
3455-00-228-5295 INTERCHANGEABLE
Cutter,milling,end
5940-00-258-360176-8 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
3455-00-280-239715446 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5310-00-776-01057760105 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5995-00-823-2939767-4 INTERCHANGEABLE
Lead,electrical
Janco Corporation Dba Janco Corp Div Mason Controls
5905-00-879-8093201568 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
North Atlantic Industries, Inc. Dba North Atlantic Industries
5940-00-926-9827768 INTERCHANGEABLE
Terminal,stud
Southport Industries, Inc.
4530-01-048-6719PLP60DEG7 1-2GPH INTERCHANGEABLE
Nozzle,oil Burner
Monarch Mfg Works Inc
Cross-Reference Index
Part NumberManufacturer
340-031 Robertshaw Controls Co Tennessee Div (USA)
768 PRIMARY Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion (USA)
Related Parts
6750-00-177-5376INTERCHANGEABLE
PAPER,MICROFILM COPY
3455-00-228-5228INTERCHANGEABLE
CUTTER,MILLING,END
3455-00-228-5295INTERCHANGEABLE
CUTTER,MILLING,END
5940-00-258-3601INTERCHANGEABLE
TERMINAL,LUG
76-8
3455-00-280-2397INTERCHANGEABLE
CUTTER,MILLING,END
15446
5310-00-776-0105INTERCHANGEABLE
WASHER,FLAT
7760105
5995-00-823-2939INTERCHANGEABLE
LEAD,ELECTRICAL
767-4
5905-00-879-8093INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
201568
5940-00-926-9827INTERCHANGEABLE
TERMINAL,STUD
768
4530-01-048-6719INTERCHANGEABLE
NOZZLE,OIL BURNER
PLP60DEG7 1-2GPH
5310-01-097-7691INTERCHANGEABLE
WASHER,FLAT
4140-01-136-7705INTERCHANGEABLE
FAN,ALTERNATOR
7-68

Frequently Asked Questions

What is NSN 6645-00-368-8636?

NSN 6645-00-368-8636 is a Timer,sequential, manufactured by Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-368-8636?

NSN 6645-00-368-8636 has 2 cross-referenced part numbers: 340-031 (Robertshaw Controls Co Tennessee Div), 768 (Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion).

What NSN replaces 6645-00-368-8636?

There are 12 known substitutes for 6645-00-368-8636: 6750-00-177-5376, 3455-00-228-5228, 3455-00-228-5295 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 768?

Key specifications for 768: Special Features: SHORT RING UNDER 90 MINUTES; Part Name Assigned by Controlling Agency: TIMER SEQUENTIAL; Overall Diameter: 2.531 INCHES NOMINAL IN. 3 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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