PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50376-1-187Impeller,pump,centrifugal

Todd Combustion Inc · NSN 4320-00-398-5779 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-5779 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-5779. Primary manufacturer part number: 50376-1-187.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Criticality Code Justification: FEAT
  • 32 verified cross-references
  • Primary manufacturer: Todd Combustion Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-398-5779, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Todd Combustion Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 32 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-398-5779
Primary Part Number50376-1-187
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerTodd Combustion Inc
StatusCANCELLED
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-011-2723 INTERCHANGEABLE
Washer,lock
2530-00-069-9953 INTERCHANGEABLE
Kingpin,wheel Spindle
5305-00-096-1815 INTERCHANGEABLE
Screw
5110-00-131-144010-199 INTERCHANGEABLE
Knife,craftsman's
The Stanley Works Dba Stanley Proto
5120-00-180-0798204 INTERCHANGEABLE
Screwdriver,offset
Jaw Manufacturing Co
5110-00-186-817619-9 INTERCHANGEABLE
Chisel,turning
W L Fuller Inc
5220-00-241-3609199 INTERCHANGEABLE
Level,precision,master
L.s. Starrett Company (the) Div Tool Division
5360-00-313-0682 INTERCHANGEABLE
Spring,flat
3010-00-545-4125199 INTERCHANGEABLE
Clutch,gear
Stothert & Pitt
5325-00-598-433414461A INTERCHANGEABLE
Ring,retaining
Brinkley Technology Group Llc Dba Hercules Manufacturing
Cross-Reference Index
Part NumberManufacturer
11JCS245PC9 General Signal Corp (USA)
H5-4B General Signal Corp (USA)
199H5-4B General Signal Corp (USA)
50387-187 Todd Shipyards Corp (USA)
I5-4BR Aurora Pump a Unit of General Signal Corp (USA)
50387PC187 Puget Sound Commerce Center, Inc. (USA)
50376-1-187 Vigor Shipyards, Llc Div Vigor Shipyards, Inc. (USA)
HI5-4B General Signal Corp (USA)
4444-1704-208 Aurora Pump a Unit of General Signal Corp (USA)
14461A Aurora Pump a Unit of General Signal Corp (USA)
50376-1-187 Todd Shipyards Corp (USA)
H4T4B Aurora Pump a Unit of General Signal Corp (USA)
444-1704-208 Aurora Pump a Unit of General Signal Corp (USA)
HI5-4B Aurora Pump a Unit of General Signal Corp (USA)
50376-1PC187 Todd Shipyards Corp (USA)
11JCS245PC9 Aurora Pump a Unit of General Signal Corp (USA)
199H5-4B Aurora Pump a Unit of General Signal Corp (USA)
199 General Signal Corp (USA)
50376PC187 Todd Shipyards Corp (USA)
H4T4B General Signal Corp (USA)
Related Parts
5310-00-011-2723INTERCHANGEABLE
WASHER,LOCK
2530-00-069-9953INTERCHANGEABLE
KINGPIN,WHEEL SPINDLE
5305-00-096-1815INTERCHANGEABLE
SCREW
5110-00-131-1440INTERCHANGEABLE
KNIFE,CRAFTSMAN'S
10-199
5120-00-180-0798INTERCHANGEABLE
SCREWDRIVER,OFFSET
204
5110-00-186-8176INTERCHANGEABLE
CHISEL,TURNING
19-9
5220-00-241-3609INTERCHANGEABLE
LEVEL,PRECISION,MASTER
199
5360-00-313-0682INTERCHANGEABLE
SPRING,FLAT
3010-00-545-4125INTERCHANGEABLE
CLUTCH,GEAR
199
5325-00-598-4334INTERCHANGEABLE
RING,RETAINING
14461A
5905-00-866-3112INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
1621586-3
6240-01-115-3070INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 4320-00-398-5779?

NSN 4320-00-398-5779 is a Impeller,pump,centrifugal, manufactured by Todd Combustion Inc, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-398-5779?

NSN 4320-00-398-5779 has 32 cross-referenced part numbers: 11JCS245PC9 (General Signal Corp), H5-4B (General Signal Corp), 199H5-4B (General Signal Corp), 50387-187 (Todd Shipyards Corp), I5-4BR (Aurora Pump a Unit of General Signal Corp) and 27 more.

What NSN replaces 4320-00-398-5779?

There are 12 known substitutes for 4320-00-398-5779: 5310-00-011-2723, 2530-00-069-9953, 5305-00-096-1815 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50376-1-187?

Key specifications for 50376-1-187: Special Features: WEAPON SYSTEM ESSENTIAL; End Item Identification: OVIVER PERRY CLASS FFG; Criticality Code Justification: FEAT. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-398-5779 still in active supply?

NSN 4320-00-398-5779 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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