PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60S2Timer,stop

Cramer Co Division of Chestnut Group Inc · NSN 6645-00-799-9459 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-799-9459 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-799-9459. Primary manufacturer part number: 60S2.
Features
  • Timer,stop — FSC 6645
  • Dial Size: 2-13/16 IN. DIA IN
  • Timer Type: ELECTRICAL
  • Control Type: PUSH BUTTON
  • Frequency in Hertz: 60.0
  • Material: ALUMINUM OR STEEL CASE
  • Operation Method: SYNCHRONOUS MOTOR
  • Color: BLACK
Applications
  • Applications requiring Aluminum or Steel Case construction
General Description

The Timer,stop, cataloged under National Stock Number 6645-00-799-9459, 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 21 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-799-9459
Primary Part Number60S2
Item NameTimer,stop
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerCramer Co Division of Chestnut Group Inc
StatusACTIVE
Dial Size2-13/16 IN. DIA IN
Timer TypeELECTRICAL
Control TypePUSH BUTTON
Frequency in Hertz60.0
MaterialALUMINUM OR STEEL CASE
Operation MethodSYNCHRONOUS MOTOR
ColorBLACK
Mounting MethodPANEL
Surface TreatmentPAINT CASE
Voltage in Volts115.0
Fast Hand Speed60 REVOLUTIONS PER MIN
Operating DC Voltage in Volts28.0
Inscription ColorBLACK
Reset TypeMANUAL
Time Indicator Total Capacity60 SEC
Hand ColorBLACK
Dial Minimum Graduation1/100 SEC
Dial Background ColorWHITE
DC Operated ClutchINCLUDED
Hand Designation and Quantity2 SWEEP
Current TypeAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-969-6407MS35812-1 INTERCHANGEABLE
Clevis,rod End
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5961-01-315-1311 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
60S2 Cramer Co Division of Chestnut Group Inc (USA)
691E60S Cramer Co Division of Chestnut Group Inc (USA)
Related Parts
5340-00-969-6407INTERCHANGEABLE
CLEVIS,ROD END
MS35812-1
5961-01-315-1311INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 6645-00-799-9459?

NSN 6645-00-799-9459 is a Timer,stop, 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 6645-00-799-9459?

NSN 6645-00-799-9459 has 2 cross-referenced part numbers: 60S2 (Cramer Co Division of Chestnut Group Inc), 691E60S (Cramer Co Division of Chestnut Group Inc).

What NSN replaces 6645-00-799-9459?

There are 2 known substitutes for 6645-00-799-9459: 5340-00-969-6407, 5961-01-315-1311. Verify interchangeability with system specifications before substitution.

What are the specifications of 60S2?

Key specifications for 60S2: Dial Size: 2-13/16 IN. DIA IN; Timer Type: ELECTRICAL; Control Type: PUSH BUTTON; Frequency in Hertz: 60.0. 21 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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