PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70419Impeller,pump,centrifugal

Waterous Company · NSN 4320-00-160-9570 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-160-9570 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-160-9570. Primary manufacturer part number: 70419.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Hub Length: 0.750 INCHES NOMINAL AND 0.188 INCHES NOMINAL IN
  • Blade Type: FORWARD CURVE
  • Hub Location: BACK SIDE AND FRONT SIDE
  • Keyway Width: 0.312 INCHES NOMINAL IN
  • Keyway Type: SQUARE
  • Design Type: SINGLE WIDTH
  • Keyway Length: 2.000 INCHES NOMINAL IN
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-160-9570, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Waterous Company. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-160-9570
Primary Part Number70419
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWaterous Company
StatusACTIVE
Hub Length0.750 INCHES NOMINAL AND 0.188 INCHES NOMINAL IN
Blade TypeFORWARD CURVE
Hub LocationBACK SIDE AND FRONT SIDE
Keyway Width0.312 INCHES NOMINAL IN
Keyway TypeSQUARE
Design TypeSINGLE WIDTH
Keyway Length2.000 INCHES NOMINAL IN
Keyway Depth0.156 INCHES NOMINAL IN
Blade Quantity8
Keyway Quantity1
Mounting MethodKEY
MaterialCOPPER ALLOY
Hub Quantity2
Hub Projection Length Beyond Wheel Side0.750 INCHES NOMINAL AND 0.188 INCHES NOMINAL IN
Hub Bore Diameter1.625 INCHES NOMINAL AND 1.625 INCHES NOMINAL IN
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Overall Diameter9.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5133-00-232-8135 INTERCHANGEABLE
Drill,twist
3120-01-080-2257 INTERCHANGEABLE
Bearing,sleeve
4820-01-182-69157-0419-3 INTERCHANGEABLE
Valve,safety Relief
Triumph Actuation Systems - Yakima, Llc Dba Triumph Actuation Systems - Yakima Llc
5340-01-311-852970419 INTERCHANGEABLE
Mount Resilient Fro
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
5340-01-360-290770419 INTERCHANGEABLE
Bracket,angle
Textron Lycoming Inc Williamsport Plant
Cross-Reference Index
Part NumberManufacturer
70419 PRIMARY Waterous Company (USA)
Related Parts
5133-00-232-8135INTERCHANGEABLE
DRILL,TWIST
3120-01-080-2257INTERCHANGEABLE
BEARING,SLEEVE
4820-01-182-6915INTERCHANGEABLE
VALVE,SAFETY RELIEF
7-0419-3
5340-01-311-8529INTERCHANGEABLE
MOUNT RESILIENT FRO
70419
5340-01-360-2907INTERCHANGEABLE
BRACKET,ANGLE
70419

Frequently Asked Questions

What is NSN 4320-00-160-9570?

NSN 4320-00-160-9570 is a Impeller,pump,centrifugal, manufactured by Waterous Company, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-160-9570?

NSN 4320-00-160-9570 has 1 cross-referenced part number: 70419 (Waterous Company).

What NSN replaces 4320-00-160-9570?

There are 5 known substitutes for 4320-00-160-9570: 5133-00-232-8135, 3120-01-080-2257, 4820-01-182-6915 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70419?

Key specifications for 70419: Hub Length: 0.750 INCHES NOMINAL AND 0.188 INCHES NOMINAL IN; Blade Type: FORWARD CURVE; Hub Location: BACK SIDE AND FRONT SIDE; Keyway Width: 0.312 INCHES NOMINAL IN. 18 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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