PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66WL200Pump,rotary

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-618-4878 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-618-4878 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-618-4878. Primary manufacturer part number: 66WL200.
Features
  • Pump,rotary — FSC 4320
  • Rotary Pump Design: CAM AND PISTON
  • Maximum Discharge Flow Rate: 2.0 GALLONS PER MINUTE
  • Intake Connection Quantity: 1
  • Pumping Element Operating Position: HORIZONTAL
  • Discharge Connection Type: UNTHREADED INTERNAL
  • Operating Speed at Rated Capacity: 1500.0 REVOLUTIONS PER MINUTE
  • Discharge Connection Quantity: 1
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-00-618-4878, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-618-4878
Primary Part Number66WL200
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
Rotary Pump DesignCAM AND PISTON
Maximum Discharge Flow Rate2.0 GALLONS PER MINUTE
Intake Connection Quantity1
Pumping Element Operating PositionHORIZONTAL
Discharge Connection TypeUNTHREADED INTERNAL
Operating Speed at Rated Capacity1500.0 REVOLUTIONS PER MINUTE
Discharge Connection Quantity1
Pump Rotation DirectionCLOCKWISE
Operation MethodPOWERED
Discharge Pressure000.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
Intake Connection TypeUNTHREADED INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4030-00-131-74641L INTERCHANGEABLE
Wire Clip,rope End
Trivantage, Llc Dba Glen Raven Technical Fabrics Llc
3460-00-189-9107 INTERCHANGEABLE
Holder,cutting Tool
5325-00-202-1311 INTERCHANGEABLE
Latch,snapslide Fastener
6680-00-363-0480155780-746 INTERCHANGEABLE
Indicator,sight,liquid
Lidgerwood Manufacturing Company Dba Lidgerwood Manufacturing Co Div Lidgerwood Manufacuring Co
3830-00-371-61021L INTERCHANGEABLE
Shank-Tooth,surface Ripping
H & L Tooth Company Dba H & L Forge
3417-00-926-381030644-IM3 INTERCHANGEABLE
Engraving Machine,pantograph
Gravograph-New Hermes, Inc
2540-01-242-13791L INTERCHANGEABLE
Bracket,tow Hook
United Trailer Corp
4730-01-641-24161-L INTERCHANGEABLE
Elbow,pipe
Qmc Technologies, Inc. Div Buyfittingsonline.com
Cross-Reference Index
Part NumberManufacturer
612-900-008 Raytheon Company (USA)
66WL200 General Signal Corp (USA)
1L Tuthill Corporation Dba Tuthill Pump Group (USA)
66WL200 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
1819242 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
66WL200 Eaton Aerospace, Llc Dba Jackson South (USA)
MILP7740B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4030-00-131-7464INTERCHANGEABLE
WIRE CLIP,ROPE END
1L
3460-00-189-9107INTERCHANGEABLE
HOLDER,CUTTING TOOL
5325-00-202-1311INTERCHANGEABLE
LATCH,SNAPSLIDE FASTENER
6680-00-363-0480INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
155780-746
3830-00-371-6102INTERCHANGEABLE
SHANK-TOOTH,SURFACE RIPPING
1L
3417-00-926-3810INTERCHANGEABLE
ENGRAVING MACHINE,PANTOGRAPH
30644-IM3
2540-01-242-1379INTERCHANGEABLE
BRACKET,TOW HOOK
1L
4730-01-641-2416INTERCHANGEABLE
ELBOW,PIPE
1-L

Frequently Asked Questions

What is NSN 4320-00-618-4878?

NSN 4320-00-618-4878 is a Pump,rotary, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-618-4878?

NSN 4320-00-618-4878 has 7 cross-referenced part numbers: 612-900-008 (Raytheon Company), 66WL200 (General Signal Corp), 1L (Tuthill Corporation Dba Tuthill Pump Group), 66WL200 (Eaton Aerospace, Llc Dba Jackson South), 1819242 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 2 more.

What NSN replaces 4320-00-618-4878?

There are 8 known substitutes for 4320-00-618-4878: 4030-00-131-7464, 3460-00-189-9107, 5325-00-202-1311 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66WL200?

Key specifications for 66WL200: Rotary Pump Design: CAM AND PISTON; Maximum Discharge Flow Rate: 2.0 GALLONS PER MINUTE; Intake Connection Quantity: 1; Pumping Element Operating Position: HORIZONTAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-618-4878 still in active supply?

NSN 4320-00-618-4878 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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