PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

440PTimer,interval

Cramer Co Division of Chestnut Group Inc · NSN 6645-00-585-5757 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-585-5757 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-585-5757. Primary manufacturer part number: 440P.
Features
  • Timer,interval — FSC 6645
  • Frequency in Hertz: 60.0
  • Dial Minimum Graduation Unit: 30.0 SECONDS
  • Furnished Items: INTERVAL EXPIRATION SIGNALLING DEVICE AND AUTOMATIC ELECTRIC CIRCUIT CONTROL SWITCH
  • Voltage in Volts: 120.0
  • Hand Designation and Quantity: 1 MINUTE HAND
  • Operation Method: SYNCHRONOUS MOTOR
  • Color: GRAY/GREY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Timer,interval, cataloged under National Stock Number 6645-00-585-5757, 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 17 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-585-5757
Primary Part Number440P
Item NameTimer,interval
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerCramer Co Division of Chestnut Group Inc
StatusACTIVE
Frequency in Hertz60.0
Dial Minimum Graduation Unit30.0 SECONDS
Furnished ItemsINTERVAL EXPIRATION SIGNALLING DEVICE AND AUTOMATIC ELECTRIC CIRCUIT CONTROL SWITCH
Voltage in Volts120.0
Hand Designation and Quantity1 MINUTE HAND
Operation MethodSYNCHRONOUS MOTOR
ColorGRAY/GREY
Inscription ColorBLACK
Current TypeAC
Control Switch Voltage in Volts28.0
Mounting MethodCHASSIS OR PANEL
Current Rating0.100 AMPERES
Case Surface TreatmentPAINT
Timer TypeELECTRICAL
Switch TypeAUTOMATIC ON
Dial Background ColorCLEAR
Hand ColorBLACK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4320-00-177-3115SL4983PC57-58-61-62 INTERCHANGEABLE
Labyrinth Assy
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4030-00-464-3234440P INTERCHANGEABLE
Swaging Sleeve,wire Rope
Carl Stahl Sava Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
440P Cramer Co Division of Chestnut Group Inc (USA)
Related Parts
4320-00-177-3115INTERCHANGEABLE
LABYRINTH ASSY
SL4983PC57-58-61-62
4030-00-464-3234INTERCHANGEABLE
SWAGING SLEEVE,WIRE ROPE
440P

Frequently Asked Questions

What is NSN 6645-00-585-5757?

NSN 6645-00-585-5757 is a Timer,interval, 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 6645-00-585-5757?

NSN 6645-00-585-5757 has 1 cross-referenced part number: 440P (Cramer Co Division of Chestnut Group Inc).

What NSN replaces 6645-00-585-5757?

There are 2 known substitutes for 6645-00-585-5757: 4320-00-177-3115, 4030-00-464-3234. Verify interchangeability with system specifications before substitution.

What are the specifications of 440P?

Key specifications for 440P: Frequency in Hertz: 60.0; Dial Minimum Graduation Unit: 30.0 SECONDS; Furnished Items: INTERVAL EXPIRATION SIGNALLING DEVICE AND AUTOMATIC ELECTRIC CIRCUIT CONTROL SWITCH; Voltage in Volts: 120.0. 17 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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