PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A35-4BImpeller,pump,centrifugal

General Signal Corp · NSN 4320-00-398-5782 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-5782 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-5782. Primary manufacturer part number: A35-4B.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Design Type: DOUBLE WIDTH
  • Rotation Direction for Which Designed: CLOCKWISE
  • Material: COPPER ALLOY
  • Keyway Quantity: 1
  • Hub Location: FRONT SIDE
  • Hub Projection Length Beyond Wheel Side: 0.688 INCHES NOMINAL IN
  • Hub Quantity: 1
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 4320-00-398-5782, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is General Signal Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-398-5782
Primary Part NumberA35-4B
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerGeneral Signal Corp
StatusACTIVE
Design TypeDOUBLE WIDTH
Rotation Direction for Which DesignedCLOCKWISE
MaterialCOPPER ALLOY
Keyway Quantity1
Hub LocationFRONT SIDE
Hub Projection Length Beyond Wheel Side0.688 INCHES NOMINAL IN
Hub Quantity1
Keyway Length0.812 INCHES NOMINAL IN
Keyway TypeRECTANGULAR
Hub Length0.688 INCHES NOMINAL IN
Blade Quantity60
Keyway Depth0.062 INCHES NOMINAL IN
Keyway Width0.125 INCHES NOMINAL IN
Hub Bore Diameter0.562 INCHES NOMINAL IN
Overall Diameter3.125 INCHES NOMINAL IN
Mounting MethodKEY
Blade TypeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4330-00-217-1020944-1094 INTERCHANGEABLE
Filter,fluid
Parker-Hannifin Corporation
5120-00-224-1389 INTERCHANGEABLE
Bar,pry
5945-00-239-272411736 INTERCHANGEABLE
Relay,electromagnetic
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5360-00-338-898411736 INTERCHANGEABLE
Spring,helical,compression
Honeywell International Inc. Div Aerospace - Torrance
5365-00-599-73161026501 INTERCHANGEABLE
Spacer,ring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5130-01-131-814311736 INTERCHANGEABLE
Die,crimping Tool
Abb Installation Products Inc
6520-01-266-38267708903 INTERCHANGEABLE
Wax,dental
Dentsply Sirona Inc Div Dentsply Prosthetics Division (aka Trubyte)
5130-01-379-8219 INTERCHANGEABLE
Die,crimping Tool
7110-01-396-752611736 INTERCHANGEABLE
Chair,rotary
Winsted Company Llc
6240-01-520-3389LU70/90/D/I/27 INTERCHANGEABLE
Lamp,sodium
General Electric Company Dba Ge
Cross-Reference Index
Part NumberManufacturer
A35-4B General Signal Corp (USA)
11CS175P9 Aurora Pump a Unit of General Signal Corp (USA)
11CS175PC9 General Signal Corp (USA)
327 Aurora Pump a Unit of General Signal Corp (USA)
A35-4B Aurora Pump a Unit of General Signal Corp (USA)
11CS175PC9 Aurora Pump a Unit of General Signal Corp (USA)
11CS177PC9 Aurora Pump a Unit of General Signal Corp (USA)
11-7-36 Aurora Pump a Unit of General Signal Corp (USA)
11CS177PC9 General Signal Corp (USA)
11-7-36 General Signal Corp (USA)
11CS175P9 General Signal Corp (USA)
327 General Signal Corp (USA)
Related Parts
4330-00-217-1020INTERCHANGEABLE
FILTER,FLUID
944-1094
5120-00-224-1389INTERCHANGEABLE
BAR,PRY
5945-00-239-2724INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
11736
5360-00-338-8984INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
11736
5365-00-599-7316INTERCHANGEABLE
SPACER,RING
1026501
5130-01-131-8143INTERCHANGEABLE
DIE,CRIMPING TOOL
11736
6520-01-266-3826INTERCHANGEABLE
WAX,DENTAL
7708903
5130-01-379-8219INTERCHANGEABLE
DIE,CRIMPING TOOL
7110-01-396-7526INTERCHANGEABLE
CHAIR,ROTARY
11736
6240-01-520-3389INTERCHANGEABLE
LAMP,SODIUM
LU70/90/D/I/27
5950-01-722-8306INTERCHANGEABLE
TRANSFORMER,CURRENT
11736

Frequently Asked Questions

What is NSN 4320-00-398-5782?

NSN 4320-00-398-5782 is a Impeller,pump,centrifugal, manufactured by General Signal Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-398-5782?

NSN 4320-00-398-5782 has 12 cross-referenced part numbers: A35-4B (General Signal Corp), 11CS175P9 (Aurora Pump a Unit of General Signal Corp), 11CS175PC9 (General Signal Corp), 327 (Aurora Pump a Unit of General Signal Corp), A35-4B (Aurora Pump a Unit of General Signal Corp) and 7 more.

What NSN replaces 4320-00-398-5782?

There are 11 known substitutes for 4320-00-398-5782: 4330-00-217-1020, 5120-00-224-1389, 5945-00-239-2724 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A35-4B?

Key specifications for A35-4B: Design Type: DOUBLE WIDTH; Rotation Direction for Which Designed: CLOCKWISE; Material: COPPER ALLOY; Keyway Quantity: 1. 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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