PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T172Timer,sequential

Intermatic Incorporated Div Intermatic Inc. · NSN 6645-01-022-8400 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-022-8400 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-022-8400. Primary manufacturer part number: T172.
Features
  • Timer,sequential — FSC 6645
  • Time Indicator Total Capacity: 24 HR
  • Frequency in Hertz: 60.0
  • 1 verified cross-reference
  • Primary manufacturer: Intermatic Incorporated Div Intermatic Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Timer,sequential, cataloged under National Stock Number 6645-01-022-8400, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Intermatic Incorporated Div Intermatic 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-022-8400
Primary Part NumberT172
Item NameTimer,sequential
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerIntermatic Incorporated Div Intermatic Inc.
StatusACTIVE
Time Indicator Total Capacity24 HR
Frequency in Hertz60.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5845-00-789-8063115922-12 INTERCHANGEABLE
Voltage Comparator
L3harris Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
T172 Intermatic Incorporated Div Intermatic Inc. (USA)
Related Parts
5845-00-789-8063INTERCHANGEABLE
VOLTAGE COMPARATOR
115922-12

Frequently Asked Questions

What is NSN 6645-01-022-8400?

NSN 6645-01-022-8400 is a Timer,sequential, manufactured by Intermatic Incorporated Div Intermatic Inc., classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-022-8400?

NSN 6645-01-022-8400 has 1 cross-referenced part number: T172 (Intermatic Incorporated Div Intermatic Inc.).

What NSN replaces 6645-01-022-8400?

There is 1 known substitute for 6645-01-022-8400: 5845-00-789-8063. Verify interchangeability with system specifications before substitution.

What are the specifications of T172?

Key specifications for T172: Time Indicator Total Capacity: 24 HR; Frequency in Hertz: 60.0; Special Features: 208 TO 250 VOLTS,40 AMPS,SPST. 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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