PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CF6-6Timer,sequential

Cramer Co Division of Chestnut Group Inc · NSN 6645-00-867-6724 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-867-6724 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-867-6724. Primary manufacturer part number: CF6-6.
Features
  • Timer,sequential — FSC 6645
  • Timer Type: ELECTRICAL
  • Frequency in Hertz: 60.0
  • Current Type: AC
  • Voltage in Volts: 220.0
  • Control Type: SWITCH
  • 2 verified cross-references
  • Primary manufacturer: Cramer Co Division of Chestnut Group Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Timer,sequential, cataloged under National Stock Number 6645-00-867-6724, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Cramer Co Division of Chestnut Group Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN6645-00-867-6724
Primary Part NumberCF6-6
Item NameTimer,sequential
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerCramer Co Division of Chestnut Group Inc
StatusACTIVE
Timer TypeELECTRICAL
Frequency in Hertz60.0
Current TypeAC
Voltage in Volts220.0
Control TypeSWITCH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5345-00-247-5938 INTERCHANGEABLE
Stone,sharpening
Cross-Reference Index
Part NumberManufacturer
CF6-6 Cramer Co Division of Chestnut Group Inc (USA)
521A6-120S220-60 Cramer Co Division of Chestnut Group Inc (USA)
Related Parts
5345-00-247-5938INTERCHANGEABLE
STONE,SHARPENING

Frequently Asked Questions

What is NSN 6645-00-867-6724?

NSN 6645-00-867-6724 is a Timer,sequential, manufactured by Cramer Co Division of Chestnut Group Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-867-6724?

NSN 6645-00-867-6724 has 2 cross-referenced part numbers: CF6-6 (Cramer Co Division of Chestnut Group Inc), 521A6-120S220-60 (Cramer Co Division of Chestnut Group Inc).

What NSN replaces 6645-00-867-6724?

There is 1 known substitute for 6645-00-867-6724: 5345-00-247-5938. Verify interchangeability with system specifications before substitution.

What are the specifications of CF6-6?

Key specifications for CF6-6: Special Features: 120 SECONDS FOR 1 CYCLE;6 SPDT SWITCHES; Timer Type: ELECTRICAL; Frequency in Hertz: 60.0; Current Type: AC. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com