PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54185Timer,sequential

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 6645-01-520-4455 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-01-520-4455 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-520-4455. Primary manufacturer part number: 54185.
Features
  • Timer,sequential — FSC 6645
  • Voltage in Volts: 24.0
  • Frequency in Hertz: 50.0 OR 60.0
  • Mounting Method: SURFACE LOCATION NOT OTHERWISE SPECIFIED
  • Control Type: AUTOMATIC
  • Operation Method: ELECTRONIC OPERATED
  • Automatic Electric Circuit Control Switch: INCLUDED
  • Current Rating: 75.000 MILLIAMPERES
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Timer,sequential, cataloged under National Stock Number 6645-01-520-4455, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Electro Impulse Laboratory Inc Dba Electro Impulse Inc. Government technical data includes 11 verified specifications, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-01-520-4455
Primary Part Number54185
Item NameTimer,sequential
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
Voltage in Volts24.0
Frequency in Hertz50.0 OR 60.0
Mounting MethodSURFACE LOCATION NOT OTHERWISE SPECIFIED
Control TypeAUTOMATIC
Operation MethodELECTRONIC OPERATED
Automatic Electric Circuit Control SwitchINCLUDED
Current Rating75.000 MILLIAMPERES
DC Operated ClutchNOT INCLUDED
Reset TypeELECTRIC
Timer TypeELECTRICAL
Current TypeAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
8340-00-182-9315 INTERCHANGEABLE
Door Frame and Door Assembly,ten
8340-00-183-4165 INTERCHANGEABLE
Strap,locking Tent
8340-00-359-2552 INTERCHANGEABLE
Window Pane,tent
5995-00-796-0909 INTERCHANGEABLE
Wiring Harness
5940-00-846-1049BLU-040S INTERCHANGEABLE
Terminal,lug
Penn-Union Corp Div Penn-Union Corp
5950-00-920-335254185 INTERCHANGEABLE
Transformer,power
Hammond Mfg Co Ltd
6680-01-081-778754185 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
54185 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
TA24A5 Ssac Inc (USA)
Related Parts
8340-00-182-9315INTERCHANGEABLE
DOOR FRAME AND DOOR ASSEMBLY,TEN
8340-00-183-4165INTERCHANGEABLE
STRAP,LOCKING TENT
8340-00-359-2552INTERCHANGEABLE
WINDOW PANE,TENT
5995-00-796-0909INTERCHANGEABLE
WIRING HARNESS
5940-00-846-1049INTERCHANGEABLE
TERMINAL,LUG
BLU-040S
5950-00-920-3352INTERCHANGEABLE
TRANSFORMER,POWER
54185
6680-01-081-7787INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
54185

Frequently Asked Questions

What is NSN 6645-01-520-4455?

NSN 6645-01-520-4455 is a Timer,sequential, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-01-520-4455?

NSN 6645-01-520-4455 has 2 cross-referenced part numbers: 54185 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), TA24A5 (Ssac Inc).

What NSN replaces 6645-01-520-4455?

There are 7 known substitutes for 6645-01-520-4455: 8340-00-182-9315, 8340-00-183-4165, 8340-00-359-2552 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54185?

Key specifications for 54185: Overall Width: 2.000 INCHES NOMINAL IN; Voltage in Volts: 24.0; Frequency in Hertz: 50.0 OR 60.0; Special Features: PREVENTS RAPID RECYCLING OF COMPRESSOR. LOCK OUT TIME IS 5 MINUTES, WILL NOT ALLOW RESTART DURING THIS TIME. WILL NOT ALLOW RESTART IF VOLTAGE IS LOW (BROWNOUT CONDITION). USES NUMBER 10 SCREW TO MOUNT TO PANEL, CONNECTORS ARE 0.25" MALE QUICK CONNECT TERMINALS. 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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